[DEV] correct web mode

Forcing Z_CONST resulted in an issue when compiling Firefox.  Now
if someone wants to compile zlib as C++ code (which it isn't), now
they will need to #define Z_CONST themselves.

.gitignore

@@ -0,0 +1,25 @@
+*.diff
+*.patch
+*.orig
+*.rej
+
+*~
+*.a
+*.lo
+*.o
+*.dylib
+
+*.gcda
+*.gcno
+*.gcov
+
+/example
+/example64
+/examplesh
+/libz.so*
+/minigzip
+/minigzip64
+/minigzipsh
+/zlib.pc
+
+.DS_Store

CMakeLists.txt

@@ -3,9 +3,16 @@ set(CMAKE_ALLOW_LOOSE_LOOP_CONSTRUCTS ON)
 
 project(zlib C)
 
-if(NOT DEFINED BUILD_SHARED_LIBS)
-    option(BUILD_SHARED_LIBS "Build a shared library form of zlib" ON)
-endif()
+set(VERSION "1.2.8")
+
+option(ASM686 "Enable building i686 assembly implementation")
+option(AMD64 "Enable building amd64 assembly implementation")
+
+set(INSTALL_BIN_DIR "${CMAKE_INSTALL_PREFIX}/bin" CACHE PATH "Installation directory for executables")
+set(INSTALL_LIB_DIR "${CMAKE_INSTALL_PREFIX}/lib" CACHE PATH "Installation directory for libraries")
+set(INSTALL_INC_DIR "${CMAKE_INSTALL_PREFIX}/include" CACHE PATH "Installation directory for headers")
+set(INSTALL_MAN_DIR "${CMAKE_INSTALL_PREFIX}/share/man" CACHE PATH "Installation directory for manual pages")
+set(INSTALL_PKGCONFIG_DIR "${CMAKE_INSTALL_PREFIX}/share/pkgconfig" CACHE PATH "Installation directory for pkgconfig (.pc) files")
 
 include(CheckTypeSize)
 include(CheckFunctionExists)
@@ -20,7 +27,7 @@ check_include_file(stddef.h    HAVE_STDDEF_H)
 #
 # Check to see if we have large file support
 #
-set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE)
+set(CMAKE_REQUIRED_DEFINITIONS -D_LARGEFILE64_SOURCE=1)
 # We add these other definitions here because CheckTypeSize.cmake
 # in CMake 2.4.x does not automatically do so and we want
 # compatibility with CMake 2.4.x.
@@ -35,7 +42,7 @@ if(HAVE_STDDEF_H)
 endif()
 check_type_size(off64_t OFF64_T)
 if(HAVE_OFF64_T)
-   add_definitions(-D_LARGEFILE64_SOURCE)
+   add_definitions(-D_LARGEFILE64_SOURCE=1)
 endif()
 set(CMAKE_REQUIRED_DEFINITIONS) # clear variable
 
@@ -52,34 +59,31 @@ endif()
 #
 check_include_file(unistd.h Z_HAVE_UNISTD_H)
 
-#
-# Check for errno.h
-check_include_file(errno.h HAVE_ERRNO_H)
-if(NOT HAVE_ERRNO_H)
-   add_definitions(-DNO_ERRNO_H)
-endif()
-
 if(MSVC)
     set(CMAKE_DEBUG_POSTFIX "d")
     add_definitions(-D_CRT_SECURE_NO_DEPRECATE)
     add_definitions(-D_CRT_NONSTDC_NO_DEPRECATE)
+    include_directories(${CMAKE_CURRENT_SOURCE_DIR})
 endif()
 
 if(NOT CMAKE_CURRENT_SOURCE_DIR STREQUAL CMAKE_CURRENT_BINARY_DIR)
     # If we're doing an out of source build and the user has a zconf.h
     # in their source tree...
     if(EXISTS ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h)
-        message(FATAL_ERROR
-            "You must remove ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h "
-            "from the source tree.  This file is included with zlib "
-            "but CMake generates this file for you automatically "
-            "in the build directory.")
+        message(STATUS "Renaming")
+        message(STATUS "    ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h")
+        message(STATUS "to 'zconf.h.included' because this file is included with zlib")
+        message(STATUS "but CMake generates it automatically in the build directory.")
+        file(RENAME ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h ${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.included)
   endif()
 endif()
 
-configure_file(${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
-               ${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
-include_directories(${CMAKE_CURRENT_BINARY_DIR})
+set(ZLIB_PC ${CMAKE_CURRENT_BINARY_DIR}/zlib.pc)
+configure_file( ${CMAKE_CURRENT_SOURCE_DIR}/zlib.pc.cmakein
+		${ZLIB_PC} @ONLY)
+configure_file(	${CMAKE_CURRENT_SOURCE_DIR}/zconf.h.cmakein
+		${CMAKE_CURRENT_BINARY_DIR}/zconf.h @ONLY)
+include_directories(${CMAKE_CURRENT_BINARY_DIR} ${CMAKE_SOURCE_DIR})
 
 
 #============================================================================
@@ -117,29 +121,71 @@ set(ZLIB_SRCS
     trees.c
     uncompr.c
     zutil.c
-    win32/zlib1.rc
 )
 
+if(NOT MINGW)
+    set(ZLIB_DLL_SRCS
+        win32/zlib1.rc # If present will override custom build rule below.
+    )
+endif()
+
+if(CMAKE_COMPILER_IS_GNUCC)
+    if(ASM686)
+        set(ZLIB_ASMS contrib/asm686/match.S)
+    elseif (AMD64)
+        set(ZLIB_ASMS contrib/amd64/amd64-match.S)
+    endif ()
+
+	if(ZLIB_ASMS)
+		add_definitions(-DASMV)
+		set_source_files_properties(${ZLIB_ASMS} PROPERTIES LANGUAGE C COMPILE_FLAGS -DNO_UNDERLINE)
+	endif()
+endif()
+
+if(MSVC)
+    if(ASM686)
+		ENABLE_LANGUAGE(ASM_MASM)
+        set(ZLIB_ASMS
+			contrib/masmx86/inffas32.asm
+			contrib/masmx86/match686.asm
+		)
+    elseif (AMD64)
+		ENABLE_LANGUAGE(ASM_MASM)
+        set(ZLIB_ASMS
+			contrib/masmx64/gvmat64.asm
+			contrib/masmx64/inffasx64.asm
+		)
+    endif()
+
+	if(ZLIB_ASMS)
+		add_definitions(-DASMV -DASMINF)
+	endif()
+endif()
+
 # parse the full version number from zlib.h and include in ZLIB_FULL_VERSION
 file(READ ${CMAKE_CURRENT_SOURCE_DIR}/zlib.h _zlib_h_contents)
-string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([0-9A-Za-z.]+)\".*"
+string(REGEX REPLACE ".*#define[ \t]+ZLIB_VERSION[ \t]+\"([-0-9A-Za-z.]+)\".*"
     "\\1" ZLIB_FULL_VERSION ${_zlib_h_contents})
 
 if(MINGW)
     # This gets us DLL resource information when compiling on MinGW.
+    if(NOT CMAKE_RC_COMPILER)
+        set(CMAKE_RC_COMPILER windres.exe)
+    endif()
+
     add_custom_command(OUTPUT ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
-                       COMMAND windres.exe
+                       COMMAND ${CMAKE_RC_COMPILER}
                             -D GCC_WINDRES
                             -I ${CMAKE_CURRENT_SOURCE_DIR}
                             -I ${CMAKE_CURRENT_BINARY_DIR}
                             -o ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj
                             -i ${CMAKE_CURRENT_SOURCE_DIR}/win32/zlib1.rc)
-    set(ZLIB_SRCS ${ZLIB_SRCS} ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
+    set(ZLIB_DLL_SRCS ${CMAKE_CURRENT_BINARY_DIR}/zlib1rc.obj)
 endif(MINGW)
 
-add_library(zlib ${ZLIB_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+add_library(zlib SHARED ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_DLL_SRCS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
+add_library(zlibstatic STATIC ${ZLIB_SRCS} ${ZLIB_ASMS} ${ZLIB_PUBLIC_HDRS} ${ZLIB_PRIVATE_HDRS})
 set_target_properties(zlib PROPERTIES DEFINE_SYMBOL ZLIB_DLL)
-
 set_target_properties(zlib PROPERTIES SOVERSION 1)
 
 if(NOT CYGWIN)
@@ -155,43 +201,49 @@ endif()
 
 if(UNIX)
     # On unix-like platforms the library is almost always called libz
-   set_target_properties(zlib PROPERTIES OUTPUT_NAME z)
+   set_target_properties(zlib zlibstatic PROPERTIES OUTPUT_NAME z)
+   if(NOT APPLE)
+     set_target_properties(zlib PROPERTIES LINK_FLAGS "-Wl,--version-script,\"${CMAKE_CURRENT_SOURCE_DIR}/zlib.map\"")
+   endif()
 elseif(BUILD_SHARED_LIBS AND WIN32)
     # Creates zlib1.dll when building shared library version
     set_target_properties(zlib PROPERTIES SUFFIX "1.dll")
 endif()
 
 if(NOT SKIP_INSTALL_LIBRARIES AND NOT SKIP_INSTALL_ALL )
-    install(TARGETS zlib
-        RUNTIME DESTINATION bin
-        ARCHIVE DESTINATION lib
-        LIBRARY DESTINATION lib )
+    install(TARGETS zlib zlibstatic
+        RUNTIME DESTINATION "${INSTALL_BIN_DIR}"
+        ARCHIVE DESTINATION "${INSTALL_LIB_DIR}"
+        LIBRARY DESTINATION "${INSTALL_LIB_DIR}" )
 endif()
 if(NOT SKIP_INSTALL_HEADERS AND NOT SKIP_INSTALL_ALL )
-    install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION include)
+    install(FILES ${ZLIB_PUBLIC_HDRS} DESTINATION "${INSTALL_INC_DIR}")
 endif()
 if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
-    install(FILES zlib.3 DESTINATION share/man/man3)
+    install(FILES zlib.3 DESTINATION "${INSTALL_MAN_DIR}/man3")
+endif()
+if(NOT SKIP_INSTALL_FILES AND NOT SKIP_INSTALL_ALL )
+    install(FILES ${ZLIB_PC} DESTINATION "${INSTALL_PKGCONFIG_DIR}")
 endif()
 
 #============================================================================
 # Example binaries
 #============================================================================
 
-add_executable(example example.c)
+add_executable(example test/example.c)
 target_link_libraries(example zlib)
 add_test(example example)
 
-add_executable(minigzip minigzip.c)
+add_executable(minigzip test/minigzip.c)
 target_link_libraries(minigzip zlib)
 
 if(HAVE_OFF64_T)
-    add_executable(example64 example.c)
+    add_executable(example64 test/example.c)
     target_link_libraries(example64 zlib)
     set_target_properties(example64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
     add_test(example64 example64)
 
-    add_executable(minigzip64 minigzip.c)
+    add_executable(minigzip64 test/minigzip.c)
     target_link_libraries(minigzip64 zlib)
     set_target_properties(minigzip64 PROPERTIES COMPILE_FLAGS "-D_FILE_OFFSET_BITS=64")
 endif()

ChangeLog

@@ -1,7 +1,349 @@
 
                 ChangeLog file for zlib
 
-Changes in 1.2.4 (13 Mar 2010)
+Changes in 1.2.8 (28 Apr 2013)
+- Update contrib/minizip/iowin32.c for Windows RT [Vollant]
+- Do not force Z_CONST for C++
+- Clean up contrib/vstudio [Ro§]
+- Correct spelling error in zlib.h
+- Fix mixed line endings in contrib/vstudio
+
+Changes in 1.2.7.3 (13 Apr 2013)
+- Fix version numbers and DLL names in contrib/vstudio/*/zlib.rc
+
+Changes in 1.2.7.2 (13 Apr 2013)
+- Change check for a four-byte type back to hexadecimal
+- Fix typo in win32/Makefile.msc
+- Add casts in gzwrite.c for pointer differences
+
+Changes in 1.2.7.1 (24 Mar 2013)
+- Replace use of unsafe string functions with snprintf if available
+- Avoid including stddef.h on Windows for Z_SOLO compile [Niessink]
+- Fix gzgetc undefine when Z_PREFIX set [Turk]
+- Eliminate use of mktemp in Makefile (not always available)
+- Fix bug in 'F' mode for gzopen()
+- Add inflateGetDictionary() function
+- Correct comment in deflate.h
+- Use _snprintf for snprintf in Microsoft C
+- On Darwin, only use /usr/bin/libtool if libtool is not Apple
+- Delete "--version" file if created by "ar --version" [Richard G.]
+- Fix configure check for veracity of compiler error return codes
+- Fix CMake compilation of static lib for MSVC2010 x64
+- Remove unused variable in infback9.c
+- Fix argument checks in gzlog_compress() and gzlog_write()
+- Clean up the usage of z_const and respect const usage within zlib
+- Clean up examples/gzlog.[ch] comparisons of different types
+- Avoid shift equal to bits in type (caused endless loop)
+- Fix unintialized value bug in gzputc() introduced by const patches
+- Fix memory allocation error in examples/zran.c [Nor]
+- Fix bug where gzopen(), gzclose() would write an empty file
+- Fix bug in gzclose() when gzwrite() runs out of memory
+- Check for input buffer malloc failure in examples/gzappend.c
+- Add note to contrib/blast to use binary mode in stdio
+- Fix comparisons of differently signed integers in contrib/blast
+- Check for invalid code length codes in contrib/puff
+- Fix serious but very rare decompression bug in inftrees.c
+- Update inflateBack() comments, since inflate() can be faster
+- Use underscored I/O function names for WINAPI_FAMILY
+- Add _tr_flush_bits to the external symbols prefixed by --zprefix
+- Add contrib/vstudio/vc10 pre-build step for static only
+- Quote --version-script argument in CMakeLists.txt
+- Don't specify --version-script on Apple platforms in CMakeLists.txt
+- Fix casting error in contrib/testzlib/testzlib.c
+- Fix types in contrib/minizip to match result of get_crc_table()
+- Simplify contrib/vstudio/vc10 with 'd' suffix
+- Add TOP support to win32/Makefile.msc
+- Suport i686 and amd64 assembler builds in CMakeLists.txt
+- Fix typos in the use of _LARGEFILE64_SOURCE in zconf.h
+- Add vc11 and vc12 build files to contrib/vstudio
+- Add gzvprintf() as an undocumented function in zlib
+- Fix configure for Sun shell
+- Remove runtime check in configure for four-byte integer type
+- Add casts and consts to ease user conversion to C++
+- Add man pages for minizip and miniunzip
+- In Makefile uninstall, don't rm if preceding cd fails
+- Do not return Z_BUF_ERROR if deflateParam() has nothing to write
+
+Changes in 1.2.7 (2 May 2012)
+- Replace use of memmove() with a simple copy for portability
+- Test for existence of strerror
+- Restore gzgetc_ for backward compatibility with 1.2.6
+- Fix build with non-GNU make on Solaris
+- Require gcc 4.0 or later on Mac OS X to use the hidden attribute
+- Include unistd.h for Watcom C
+- Use __WATCOMC__ instead of __WATCOM__
+- Do not use the visibility attribute if NO_VIZ defined
+- Improve the detection of no hidden visibility attribute
+- Avoid using __int64 for gcc or solo compilation
+- Cast to char * in gzprintf to avoid warnings [Zinser]
+- Fix make_vms.com for VAX [Zinser]
+- Don't use library or built-in byte swaps
+- Simplify test and use of gcc hidden attribute
+- Fix bug in gzclose_w() when gzwrite() fails to allocate memory
+- Add "x" (O_EXCL) and "e" (O_CLOEXEC) modes support to gzopen()
+- Fix bug in test/minigzip.c for configure --solo
+- Fix contrib/vstudio project link errors [Mohanathas]
+- Add ability to choose the builder in make_vms.com [Schweda]
+- Add DESTDIR support to mingw32 win32/Makefile.gcc
+- Fix comments in win32/Makefile.gcc for proper usage
+- Allow overriding the default install locations for cmake
+- Generate and install the pkg-config file with cmake
+- Build both a static and a shared version of zlib with cmake
+- Include version symbols for cmake builds
+- If using cmake with MSVC, add the source directory to the includes
+- Remove unneeded EXTRA_CFLAGS from win32/Makefile.gcc [Truta]
+- Move obsolete emx makefile to old [Truta]
+- Allow the use of -Wundef when compiling or using zlib
+- Avoid the use of the -u option with mktemp
+- Improve inflate() documentation on the use of Z_FINISH
+- Recognize clang as gcc
+- Add gzopen_w() in Windows for wide character path names
+- Rename zconf.h in CMakeLists.txt to move it out of the way
+- Add source directory in CMakeLists.txt for building examples
+- Look in build directory for zlib.pc in CMakeLists.txt
+- Remove gzflags from zlibvc.def in vc9 and vc10
+- Fix contrib/minizip compilation in the MinGW environment
+- Update ./configure for Solaris, support --64 [Mooney]
+- Remove -R. from Solaris shared build (possible security issue)
+- Avoid race condition for parallel make (-j) running example
+- Fix type mismatch between get_crc_table() and crc_table
+- Fix parsing of version with "-" in CMakeLists.txt [Snider, Ziegler]
+- Fix the path to zlib.map in CMakeLists.txt
+- Force the native libtool in Mac OS X to avoid GNU libtool [Beebe]
+- Add instructions to win32/Makefile.gcc for shared install [Torri]
+
+Changes in 1.2.6.1 (12 Feb 2012)
+- Avoid the use of the Objective-C reserved name "id"
+- Include io.h in gzguts.h for Microsoft compilers
+- Fix problem with ./configure --prefix and gzgetc macro
+- Include gz_header definition when compiling zlib solo
+- Put gzflags() functionality back in zutil.c
+- Avoid library header include in crc32.c for Z_SOLO
+- Use name in GCC_CLASSIC as C compiler for coverage testing, if set
+- Minor cleanup in contrib/minizip/zip.c [Vollant]
+- Update make_vms.com [Zinser]
+- Remove unnecessary gzgetc_ function
+- Use optimized byte swap operations for Microsoft and GNU [Snyder]
+- Fix minor typo in zlib.h comments [Rzesniowiecki]
+
+Changes in 1.2.6 (29 Jan 2012)
+- Update the Pascal interface in contrib/pascal
+- Fix function numbers for gzgetc_ in zlibvc.def files
+- Fix configure.ac for contrib/minizip [Schiffer]
+- Fix large-entry detection in minizip on 64-bit systems [Schiffer]
+- Have ./configure use the compiler return code for error indication
+- Fix CMakeLists.txt for cross compilation [McClure]
+- Fix contrib/minizip/zip.c for 64-bit architectures [Dalsnes]
+- Fix compilation of contrib/minizip on FreeBSD [Marquez]
+- Correct suggested usages in win32/Makefile.msc [Shachar, Horvath]
+- Include io.h for Turbo C / Borland C on all platforms [Truta]
+- Make version explicit in contrib/minizip/configure.ac [Bosmans]
+- Avoid warning for no encryption in contrib/minizip/zip.c [Vollant]
+- Minor cleanup up contrib/minizip/unzip.c [Vollant]
+- Fix bug when compiling minizip with C++ [Vollant]
+- Protect for long name and extra fields in contrib/minizip [Vollant]
+- Avoid some warnings in contrib/minizip [Vollant]
+- Add -I../.. -L../.. to CFLAGS for minizip and miniunzip
+- Add missing libs to minizip linker command
+- Add support for VPATH builds in contrib/minizip
+- Add an --enable-demos option to contrib/minizip/configure
+- Add the generation of configure.log by ./configure
+- Exit when required parameters not provided to win32/Makefile.gcc
+- Have gzputc return the character written instead of the argument
+- Use the -m option on ldconfig for BSD systems [Tobias]
+- Correct in zlib.map when deflateResetKeep was added
+
+Changes in 1.2.5.3 (15 Jan 2012)
+- Restore gzgetc function for binary compatibility
+- Do not use _lseeki64 under Borland C++ [Truta]
+- Update win32/Makefile.msc to build test/*.c [Truta]
+- Remove old/visualc6 given CMakefile and other alternatives
+- Update AS400 build files and documentation [Monnerat]
+- Update win32/Makefile.gcc to build test/*.c [Truta]
+- Permit stronger flushes after Z_BLOCK flushes
+- Avoid extraneous empty blocks when doing empty flushes
+- Permit Z_NULL arguments to deflatePending
+- Allow deflatePrime() to insert bits in the middle of a stream
+- Remove second empty static block for Z_PARTIAL_FLUSH
+- Write out all of the available bits when using Z_BLOCK
+- Insert the first two strings in the hash table after a flush
+
+Changes in 1.2.5.2 (17 Dec 2011)
+- fix ld error: unable to find version dependency 'ZLIB_1.2.5'
+- use relative symlinks for shared libs
+- Avoid searching past window for Z_RLE strategy
+- Assure that high-water mark initialization is always applied in deflate
+- Add assertions to fill_window() in deflate.c to match comments
+- Update python link in README
+- Correct spelling error in gzread.c
+- Fix bug in gzgets() for a concatenated empty gzip stream
+- Correct error in comment for gz_make()
+- Change gzread() and related to ignore junk after gzip streams
+- Allow gzread() and related to continue after gzclearerr()
+- Allow gzrewind() and gzseek() after a premature end-of-file
+- Simplify gzseek() now that raw after gzip is ignored
+- Change gzgetc() to a macro for speed (~40% speedup in testing)
+- Fix gzclose() to return the actual error last encountered
+- Always add large file support for windows
+- Include zconf.h for windows large file support
+- Include zconf.h.cmakein for windows large file support
+- Update zconf.h.cmakein on make distclean
+- Merge vestigial vsnprintf determination from zutil.h to gzguts.h
+- Clarify how gzopen() appends in zlib.h comments
+- Correct documentation of gzdirect() since junk at end now ignored
+- Add a transparent write mode to gzopen() when 'T' is in the mode
+- Update python link in zlib man page
+- Get inffixed.h and MAKEFIXED result to match
+- Add a ./config --solo option to make zlib subset with no libary use
+- Add undocumented inflateResetKeep() function for CAB file decoding
+- Add --cover option to ./configure for gcc coverage testing
+- Add #define ZLIB_CONST option to use const in the z_stream interface
+- Add comment to gzdopen() in zlib.h to use dup() when using fileno()
+- Note behavior of uncompress() to provide as much data as it can
+- Add files in contrib/minizip to aid in building libminizip
+- Split off AR options in Makefile.in and configure
+- Change ON macro to Z_ARG to avoid application conflicts
+- Facilitate compilation with Borland C++ for pragmas and vsnprintf
+- Include io.h for Turbo C / Borland C++
+- Move example.c and minigzip.c to test/
+- Simplify incomplete code table filling in inflate_table()
+- Remove code from inflate.c and infback.c that is impossible to execute
+- Test the inflate code with full coverage
+- Allow deflateSetDictionary, inflateSetDictionary at any time (in raw)
+- Add deflateResetKeep and fix inflateResetKeep to retain dictionary
+- Fix gzwrite.c to accommodate reduced memory zlib compilation
+- Have inflate() with Z_FINISH avoid the allocation of a window
+- Do not set strm->adler when doing raw inflate
+- Fix gzeof() to behave just like feof() when read is not past end of file
+- Fix bug in gzread.c when end-of-file is reached
+- Avoid use of Z_BUF_ERROR in gz* functions except for premature EOF
+- Document gzread() capability to read concurrently written files
+- Remove hard-coding of resource compiler in CMakeLists.txt [Blammo]
+
+Changes in 1.2.5.1 (10 Sep 2011)
+- Update FAQ entry on shared builds (#13)
+- Avoid symbolic argument to chmod in Makefile.in
+- Fix bug and add consts in contrib/puff [Oberhumer]
+- Update contrib/puff/zeros.raw test file to have all block types
+- Add full coverage test for puff in contrib/puff/Makefile
+- Fix static-only-build install in Makefile.in
+- Fix bug in unzGetCurrentFileInfo() in contrib/minizip [Kuno]
+- Add libz.a dependency to shared in Makefile.in for parallel builds
+- Spell out "number" (instead of "nb") in zlib.h for total_in, total_out
+- Replace $(...) with `...` in configure for non-bash sh [Bowler]
+- Add darwin* to Darwin* and solaris* to SunOS\ 5* in configure [Groffen]
+- Add solaris* to Linux* in configure to allow gcc use [Groffen]
+- Add *bsd* to Linux* case in configure [Bar-Lev]
+- Add inffast.obj to dependencies in win32/Makefile.msc
+- Correct spelling error in deflate.h [Kohler]
+- Change libzdll.a again to libz.dll.a (!) in win32/Makefile.gcc
+- Add test to configure for GNU C looking for gcc in output of $cc -v
+- Add zlib.pc generation to win32/Makefile.gcc [Weigelt]
+- Fix bug in zlib.h for _FILE_OFFSET_BITS set and _LARGEFILE64_SOURCE not
+- Add comment in zlib.h that adler32_combine with len2 < 0 makes no sense
+- Make NO_DIVIDE option in adler32.c much faster (thanks to John Reiser)
+- Make stronger test in zconf.h to include unistd.h for LFS
+- Apply Darwin patches for 64-bit file offsets to contrib/minizip [Slack]
+- Fix zlib.h LFS support when Z_PREFIX used
+- Add updated as400 support (removed from old) [Monnerat]
+- Avoid deflate sensitivity to volatile input data
+- Avoid division in adler32_combine for NO_DIVIDE
+- Clarify the use of Z_FINISH with deflateBound() amount of space
+- Set binary for output file in puff.c
+- Use u4 type for crc_table to avoid conversion warnings
+- Apply casts in zlib.h to avoid conversion warnings
+- Add OF to prototypes for adler32_combine_ and crc32_combine_ [Miller]
+- Improve inflateSync() documentation to note indeterminancy
+- Add deflatePending() function to return the amount of pending output
+- Correct the spelling of "specification" in FAQ [Randers-Pehrson]
+- Add a check in configure for stdarg.h, use for gzprintf()
+- Check that pointers fit in ints when gzprint() compiled old style
+- Add dummy name before $(SHAREDLIBV) in Makefile [Bar-Lev, Bowler]
+- Delete line in configure that adds -L. libz.a to LDFLAGS [Weigelt]
+- Add debug records in assmebler code [Londer]
+- Update RFC references to use http://tools.ietf.org/html/... [Li]
+- Add --archs option, use of libtool to configure for Mac OS X [Borstel]
+
+Changes in 1.2.5 (19 Apr 2010)
+- Disable visibility attribute in win32/Makefile.gcc [Bar-Lev]
+- Default to libdir as sharedlibdir in configure [Nieder]
+- Update copyright dates on modified source files
+- Update trees.c to be able to generate modified trees.h
+- Exit configure for MinGW, suggesting win32/Makefile.gcc
+- Check for NULL path in gz_open [Homurlu]
+
+Changes in 1.2.4.5 (18 Apr 2010)
+- Set sharedlibdir in configure [Torok]
+- Set LDFLAGS in Makefile.in [Bar-Lev]
+- Avoid mkdir objs race condition in Makefile.in [Bowler]
+- Add ZLIB_INTERNAL in front of internal inter-module functions and arrays
+- Define ZLIB_INTERNAL to hide internal functions and arrays for GNU C
+- Don't use hidden attribute when it is a warning generator (e.g. Solaris)
+
+Changes in 1.2.4.4 (18 Apr 2010)
+- Fix CROSS_PREFIX executable testing, CHOST extract, mingw* [Torok]
+- Undefine _LARGEFILE64_SOURCE in zconf.h if it is zero, but not if empty
+- Try to use bash or ksh regardless of functionality of /bin/sh
+- Fix configure incompatibility with NetBSD sh
+- Remove attempt to run under bash or ksh since have better NetBSD fix
+- Fix win32/Makefile.gcc for MinGW [Bar-Lev]
+- Add diagnostic messages when using CROSS_PREFIX in configure
+- Added --sharedlibdir option to configure [Weigelt]
+- Use hidden visibility attribute when available [Frysinger]
+
+Changes in 1.2.4.3 (10 Apr 2010)
+- Only use CROSS_PREFIX in configure for ar and ranlib if they exist
+- Use CROSS_PREFIX for nm [Bar-Lev]
+- Assume _LARGEFILE64_SOURCE defined is equivalent to true
+- Avoid use of undefined symbols in #if with && and ||
+- Make *64 prototypes in gzguts.h consistent with functions
+- Add -shared load option for MinGW in configure [Bowler]
+- Move z_off64_t to public interface, use instead of off64_t
+- Remove ! from shell test in configure (not portable to Solaris)
+- Change +0 macro tests to -0 for possibly increased portability
+
+Changes in 1.2.4.2 (9 Apr 2010)
+- Add consistent carriage returns to readme.txt's in masmx86 and masmx64
+- Really provide prototypes for *64 functions when building without LFS
+- Only define unlink() in minigzip.c if unistd.h not included
+- Update README to point to contrib/vstudio project files
+- Move projects/vc6 to old/ and remove projects/
+- Include stdlib.h in minigzip.c for setmode() definition under WinCE
+- Clean up assembler builds in win32/Makefile.msc [Rowe]
+- Include sys/types.h for Microsoft for off_t definition
+- Fix memory leak on error in gz_open()
+- Symbolize nm as $NM in configure [Weigelt]
+- Use TEST_LDSHARED instead of LDSHARED to link test programs [Weigelt]
+- Add +0 to _FILE_OFFSET_BITS and _LFS64_LARGEFILE in case not defined
+- Fix bug in gzeof() to take into account unused input data
+- Avoid initialization of structures with variables in puff.c
+- Updated win32/README-WIN32.txt [Rowe]
+
+Changes in 1.2.4.1 (28 Mar 2010)
+- Remove the use of [a-z] constructs for sed in configure [gentoo 310225]
+- Remove $(SHAREDLIB) from LIBS in Makefile.in [Creech]
+- Restore "for debugging" comment on sprintf() in gzlib.c
+- Remove fdopen for MVS from gzguts.h
+- Put new README-WIN32.txt in win32 [Rowe]
+- Add check for shell to configure and invoke another shell if needed
+- Fix big fat stinking bug in gzseek() on uncompressed files
+- Remove vestigial F_OPEN64 define in zutil.h
+- Set and check the value of _LARGEFILE_SOURCE and _LARGEFILE64_SOURCE
+- Avoid errors on non-LFS systems when applications define LFS macros
+- Set EXE to ".exe" in configure for MINGW [Kahle]
+- Match crc32() in crc32.c exactly to the prototype in zlib.h [Sherrill]
+- Add prefix for cross-compilation in win32/makefile.gcc [Bar-Lev]
+- Add DLL install in win32/makefile.gcc [Bar-Lev]
+- Allow Linux* or linux* from uname in configure [Bar-Lev]
+- Allow ldconfig to be redefined in configure and Makefile.in [Bar-Lev]
+- Add cross-compilation prefixes to configure [Bar-Lev]
+- Match type exactly in gz_load() invocation in gzread.c
+- Match type exactly of zcalloc() in zutil.c to zlib.h alloc_func
+- Provide prototypes for *64 functions when building zlib without LFS
+- Don't use -lc when linking shared library on MinGW
+- Remove errno.h check in configure and vestigial errno code in zutil.h
+
+Changes in 1.2.4 (14 Mar 2010)
 - Fix VER3 extraction in configure for no fourth subversion
 - Update zlib.3, add docs to Makefile.in to make .pdf out of it
 - Add zlib.3.pdf to distribution
@@ -30,6 +372,8 @@ Changes in 1.2.4 (13 Mar 2010)
 - Fix name change from inflate.h in contrib/inflate86/inffas86.c
 - Check if temporary file exists before removing in make_vms.com [Zinser]
 - Fix make install and uninstall for --static option
+- Fix usage of _MSC_VER in gzguts.h and zutil.h [Truta]
+- Update readme.txt in contrib/masmx64 and masmx86 to assemble
 
 Changes in 1.2.3.9 (21 Feb 2010)
 - Expunge gzio.c
@@ -97,7 +441,7 @@ Changes in 1.2.3.6 (17 Jan 2010)
 - Correct email address in configure for system options
 - Update make_vms.com and add make_vms.com to contrib/minizip [Zinser]
 - Update zlib.map [Brown]
-- Fix Makefile.in for Solaris 10 make of example64 and minizip64 [Tšršk]
+- Fix Makefile.in for Solaris 10 make of example64 and minizip64 [Torok]
 - Apply various fixes to CMakeLists.txt [Lowman]
 - Add checks on len in gzread() and gzwrite()
 - Add error message for no more room for gzungetc()
@@ -181,7 +525,7 @@ Changes in 1.2.3.4 (21 Dec 2009)
 - Clear bytes after deflate lookahead to avoid use of uninitialized data
 - Change a limit in inftrees.c to be more transparent to Coverity Prevent
 - Update win32/zlib.def with exported symbols from zlib.h
-- Correct spelling error in zlib.h [Willem]
+- Correct spelling errors in zlib.h [Willem, Sobrado]
 - Allow Z_BLOCK for deflate() to force a new block
 - Allow negative bits in inflatePrime() to delete existing bit buffer
 - Add Z_TREES flush option to inflate() to return at end of trees

FAQ

@@ -25,7 +25,7 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
 
  4. compress() returns Z_BUF_ERROR.
 
-    Make sure that before the call of compress, the length of the compressed
+    Make sure that before the call of compress(), the length of the compressed
     buffer is equal to the available size of the compressed buffer and not
     zero.  For Visual Basic, check that this parameter is passed by reference
     ("as any"), not by value ("as long").
@@ -44,8 +44,8 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
 
  6. Where's the zlib documentation (man pages, etc.)?
 
-    It's in zlib.h .  Examples of zlib usage are in the files example.c and
-    minigzip.c, with more in examples/ .
+    It's in zlib.h .  Examples of zlib usage are in the files test/example.c
+    and test/minigzip.c, with more in examples/ .
 
  7. Why don't you use GNU autoconf or libtool or ...?
 
@@ -84,8 +84,10 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
 
 13. How can I make a Unix shared library?
 
-    make clean
-    ./configure -s
+    By default a shared (and a static) library is built for Unix.  So:
+
+    make distclean
+    ./configure
     make
 
 14. How do I install a shared zlib library on Unix?
@@ -108,8 +110,8 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
 
 16. Can zlib decode Flate data in an Adobe PDF file?
 
-    Yes. See http://www.fastio.com/ (ClibPDF), or http://www.pdflib.com/ .
-    To modify PDF forms, see http://sourceforge.net/projects/acroformtool/ .
+    Yes. See http://www.pdflib.com/ . To modify PDF forms, see
+    http://sourceforge.net/projects/acroformtool/ .
 
 17. Why am I getting this "register_frame_info not found" error on Solaris?
 
@@ -152,8 +154,8 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
     Yes.  However any library routines that zlib uses and any application-
     provided memory allocation routines must also be thread-safe.  zlib's gz*
     functions use stdio library routines, and most of zlib's functions use the
-    library memory allocation routines by default.  zlib's Init functions allow
-    for the application to provide custom memory allocation routines.
+    library memory allocation routines by default.  zlib's *Init* functions
+    allow for the application to provide custom memory allocation routines.
 
     Of course, you should only operate on any given zlib or gzip stream from a
     single thread at a time.
@@ -325,7 +327,7 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
     correctly points to the zlib specification in RFC 1950 for the "deflate"
     transfer encoding, there have been reports of servers and browsers that
     incorrectly produce or expect raw deflate data per the deflate
-    specficiation in RFC 1951, most notably Microsoft.  So even though the
+    specification in RFC 1951, most notably Microsoft.  So even though the
     "deflate" transfer encoding using the zlib format would be the more
     efficient approach (and in fact exactly what the zlib format was designed
     for), using the "gzip" transfer encoding is probably more reliable due to
@@ -354,7 +356,7 @@ The lastest zlib FAQ is at http://zlib.net/zlib_faq.html
 
     No.  The files in contrib are not part of zlib.  They were contributed by
     other authors and are provided as a convenience to the user within the zlib
-    distribution.  Each of the items in contrib have their own license.
+    distribution.  Each item in contrib has its own license.
 
 43. Is zlib subject to export controls?  What is its ECCN?
 

INDEX

@@ -7,6 +7,9 @@ Makefile.in     template for Unix Makefile
 README          guess what
 configure       configure script for Unix
 make_vms.com    makefile for VMS
+test/example.c  zlib usages examples for build testing
+test/minigzip.c minimal gzip-like functionality for build testing
+test/infcover.c inf*.c code coverage for build coverage testing
 treebuild.xml   XML description of source file dependencies
 zconf.h.cmakein zconf.h template for cmake
 zconf.h.in      zconf.h template for configure
@@ -14,15 +17,16 @@ zlib.3          Man page for zlib
 zlib.3.pdf      Man page in PDF format
 zlib.map        Linux symbol information
 zlib.pc.in      Template for pkg-config descriptor
+zlib.pc.cmakein zlib.pc template for cmake
 zlib2ansi       perl script to convert source files for C++ compilation
 
 amiga/          makefiles for Amiga SAS C
+as400/          makefiles for AS/400
 doc/            documentation for formats and algorithms
 msdos/          makefiles for MSDOS
 nintendods/     makefile for Nintendo DS
 old/            makefiles for various architectures and zlib documentation
                 files that have not yet been updated for zlib 1.2.x
-projects/       projects for various Integrated Development Environments
 qnx/            makefiles for QNX
 watcom/         makefiles for OpenWatcom
 win32/          makefiles for Windows
@@ -57,10 +61,8 @@ uncompr.c
 zutil.c
 zutil.h
 
-                source files for sample programs:
-example.c
-minigzip.c
-See examples/README.examples for more
+                source files for sample programs
+See examples/README.examples
 
-                unsupported contribution by third parties
+                unsupported contributions by third parties
 See contrib/README.contrib

Makefile.in

@@ -1,5 +1,5 @@
 # Makefile for zlib
-# Copyright (C) 1995-2010 Jean-loup Gailly.
+# Copyright (C) 1995-2013 Jean-loup Gailly, Mark Adler
 # For conditions of distribution and use, see copyright notice in zlib.h
 
 # To compile and test, type:
@@ -25,19 +25,22 @@ CFLAGS=-O
 #           -Wstrict-prototypes -Wmissing-prototypes
 
 SFLAGS=-O
-
-LDFLAGS=-L. libz.a
+LDFLAGS=
+TEST_LDFLAGS=-L. libz.a
 LDSHARED=$(CC)
 CPP=$(CC) -E
 
 STATICLIB=libz.a
 SHAREDLIB=libz.so
-SHAREDLIBV=libz.so.1.2.4
+SHAREDLIBV=libz.so.1.2.8
 SHAREDLIBM=libz.so.1
-LIBS=$(STATICLIB) $(SHAREDLIB) $(SHAREDLIBV)
+LIBS=$(STATICLIB) $(SHAREDLIBV)
 
-AR=ar rc
+AR=ar
+ARFLAGS=rc
 RANLIB=ranlib
+LDCONFIG=ldconfig
+LDSHAREDLIBC=-lc
 TAR=tar
 SHELL=/bin/sh
 EXE=
@@ -45,16 +48,19 @@ EXE=
 prefix = /usr/local
 exec_prefix = ${prefix}
 libdir = ${exec_prefix}/lib
+sharedlibdir = ${libdir}
 includedir = ${prefix}/include
 mandir = ${prefix}/share/man
 man3dir = ${mandir}/man3
 pkgconfigdir = ${libdir}/pkgconfig
 
-OBJC = adler32.o compress.o crc32.o deflate.o gzclose.o gzlib.o gzread.o \
-	gzwrite.o infback.o inffast.o inflate.o inftrees.o trees.o uncompr.o zutil.o
+OBJZ = adler32.o crc32.o deflate.o infback.o inffast.o inflate.o inftrees.o trees.o zutil.o
+OBJG = compress.o uncompr.o gzclose.o gzlib.o gzread.o gzwrite.o
+OBJC = $(OBJZ) $(OBJG)
 
-PIC_OBJC = adler32.lo compress.lo crc32.lo deflate.lo gzclose.lo gzlib.lo gzread.lo \
-	gzwrite.lo infback.lo inffast.lo inflate.lo inftrees.lo trees.lo uncompr.lo zutil.lo
+PIC_OBJZ = adler32.lo crc32.lo deflate.lo infback.lo inffast.lo inflate.lo inftrees.lo trees.lo zutil.lo
+PIC_OBJG = compress.lo uncompr.lo gzclose.lo gzlib.lo gzread.lo gzwrite.lo
+PIC_OBJC = $(PIC_OBJZ) $(PIC_OBJG)
 
 # to use the asm code: make OBJA=match.o, PIC_OBJA=match.lo
 OBJA =
@@ -77,35 +83,49 @@ check: test
 test: all teststatic testshared
 
 teststatic: static
-	@if echo hello world | ./minigzip | ./minigzip -d && ./example; then \
+	@TMPST=tmpst_$$; \
+	if echo hello world | ./minigzip | ./minigzip -d && ./example $$TMPST ; then \
 	  echo '		*** zlib test OK ***'; \
 	else \
 	  echo '		*** zlib test FAILED ***'; false; \
-	fi
-	-@rm -f foo.gz
+	fi; \
+	rm -f $$TMPST
 
 testshared: shared
 	@LD_LIBRARY_PATH=`pwd`:$(LD_LIBRARY_PATH) ; export LD_LIBRARY_PATH; \
 	LD_LIBRARYN32_PATH=`pwd`:$(LD_LIBRARYN32_PATH) ; export LD_LIBRARYN32_PATH; \
 	DYLD_LIBRARY_PATH=`pwd`:$(DYLD_LIBRARY_PATH) ; export DYLD_LIBRARY_PATH; \
 	SHLIB_PATH=`pwd`:$(SHLIB_PATH) ; export SHLIB_PATH; \
-	if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh; then \
+	TMPSH=tmpsh_$$; \
+	if echo hello world | ./minigzipsh | ./minigzipsh -d && ./examplesh $$TMPSH; then \
 	  echo '		*** zlib shared test OK ***'; \
 	else \
 	  echo '		*** zlib shared test FAILED ***'; false; \
-	fi
-	-@rm -f foo.gz
+	fi; \
+	rm -f $$TMPSH
 
 test64: all64
-	@if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64; then \
+	@TMP64=tmp64_$$; \
+	if echo hello world | ./minigzip64 | ./minigzip64 -d && ./example64 $$TMP64; then \
 	  echo '		*** zlib 64-bit test OK ***'; \
 	else \
 	  echo '		*** zlib 64-bit test FAILED ***'; false; \
-	fi
-	-@rm -f foo.gz
+	fi; \
+	rm -f $$TMP64
+
+infcover.o: test/infcover.c zlib.h zconf.h
+	$(CC) $(CFLAGS) -I. -c -o $@ test/infcover.c
+
+infcover: infcover.o libz.a
+	$(CC) $(CFLAGS) -o $@ infcover.o libz.a
+
+cover: infcover
+	rm -f *.gcda
+	./infcover
+	gcov inf*.c
 
 libz.a: $(OBJS)
-	$(AR) $@ $(OBJS)
+	$(AR) $(ARFLAGS) $@ $(OBJS)
 	-@ ($(RANLIB) $@ || true) >/dev/null 2>&1
 
 match.o: match.S
@@ -120,31 +140,37 @@ match.lo: match.S
 	mv _match.o match.lo
 	rm -f _match.s
 
-example64.o: example.c zlib.h zconf.h
-	$(CC) $(CFLAGS) -D_FILE_OFFSET_BITS=64 -c -o $@ example.c
+example.o: test/example.c zlib.h zconf.h
+	$(CC) $(CFLAGS) -I. -c -o $@ test/example.c
 
-minigzip64.o: minigzip.c zlib.h zconf.h
-	$(CC) $(CFLAGS) -D_FILE_OFFSET_BITS=64 -c -o $@ minigzip.c
+minigzip.o: test/minigzip.c zlib.h zconf.h
+	$(CC) $(CFLAGS) -I. -c -o $@ test/minigzip.c
+
+example64.o: test/example.c zlib.h zconf.h
+	$(CC) $(CFLAGS) -I. -D_FILE_OFFSET_BITS=64 -c -o $@ test/example.c
+
+minigzip64.o: test/minigzip.c zlib.h zconf.h
+	$(CC) $(CFLAGS) -I. -D_FILE_OFFSET_BITS=64 -c -o $@ test/minigzip.c
 
 .SUFFIXES: .lo
 
 .c.lo:
-	-@if [ ! -d objs ]; then mkdir objs; fi
+	-@mkdir objs 2>/dev/null || test -d objs
 	$(CC) $(SFLAGS) -DPIC -c -o objs/$*.o $<
 	-@mv objs/$*.o $@
 
-$(SHAREDLIBV): $(PIC_OBJS)
-	$(LDSHARED) $(SFLAGS) -o $@ $(PIC_OBJS) -lc
+placebo $(SHAREDLIBV): $(PIC_OBJS) libz.a
+	$(LDSHARED) $(SFLAGS) -o $@ $(PIC_OBJS) $(LDSHAREDLIBC) $(LDFLAGS)
 	rm -f $(SHAREDLIB) $(SHAREDLIBM)
 	ln -s $@ $(SHAREDLIB)
 	ln -s $@ $(SHAREDLIBM)
 	-@rmdir objs
 
 example$(EXE): example.o $(STATICLIB)
-	$(CC) $(CFLAGS) -o $@ example.o $(LDFLAGS)
+	$(CC) $(CFLAGS) -o $@ example.o $(TEST_LDFLAGS)
 
 minigzip$(EXE): minigzip.o $(STATICLIB)
-	$(CC) $(CFLAGS) -o $@ minigzip.o $(LDFLAGS)
+	$(CC) $(CFLAGS) -o $@ minigzip.o $(TEST_LDFLAGS)
 
 examplesh$(EXE): example.o $(SHAREDLIBV)
 	$(CC) $(CFLAGS) -o $@ example.o -L. $(SHAREDLIBV)
@@ -153,25 +179,29 @@ minigzipsh$(EXE): minigzip.o $(SHAREDLIBV)
 	$(CC) $(CFLAGS) -o $@ minigzip.o -L. $(SHAREDLIBV)
 
 example64$(EXE): example64.o $(STATICLIB)
-	$(CC) $(CFLAGS) -o $@ example64.o $(LDFLAGS)
+	$(CC) $(CFLAGS) -o $@ example64.o $(TEST_LDFLAGS)
 
 minigzip64$(EXE): minigzip64.o $(STATICLIB)
-	$(CC) $(CFLAGS) -o $@ minigzip64.o $(LDFLAGS)
+	$(CC) $(CFLAGS) -o $@ minigzip64.o $(TEST_LDFLAGS)
 
 install-libs: $(LIBS)
 	-@if [ ! -d $(DESTDIR)$(exec_prefix)  ]; then mkdir -p $(DESTDIR)$(exec_prefix); fi
 	-@if [ ! -d $(DESTDIR)$(libdir)       ]; then mkdir -p $(DESTDIR)$(libdir); fi
+	-@if [ ! -d $(DESTDIR)$(sharedlibdir) ]; then mkdir -p $(DESTDIR)$(sharedlibdir); fi
 	-@if [ ! -d $(DESTDIR)$(man3dir)      ]; then mkdir -p $(DESTDIR)$(man3dir); fi
 	-@if [ ! -d $(DESTDIR)$(pkgconfigdir) ]; then mkdir -p $(DESTDIR)$(pkgconfigdir); fi
-	cp $(LIBS) $(DESTDIR)$(libdir)
-	cd $(DESTDIR)$(libdir); chmod u=rw,go=r $(STATICLIB)
-	-@(cd $(DESTDIR)$(libdir); $(RANLIB) libz.a || true) >/dev/null 2>&1
-	-@cd $(DESTDIR)$(libdir); if test "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \
-	  chmod 755 $(SHAREDLIBV); \
-	  rm -f $(SHAREDLIB) $(SHAREDLIBM); \
-	  ln -s $(SHAREDLIBV) $(SHAREDLIB); \
-	  ln -s $(SHAREDLIBV) $(SHAREDLIBM); \
-	  (ldconfig || true)  >/dev/null 2>&1; \
+	cp $(STATICLIB) $(DESTDIR)$(libdir)
+	chmod 644 $(DESTDIR)$(libdir)/$(STATICLIB)
+	-@($(RANLIB) $(DESTDIR)$(libdir)/libz.a || true) >/dev/null 2>&1
+	-@if test -n "$(SHAREDLIBV)"; then \
+	  cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir); \
+	  echo "cp $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)"; \
+	  chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV); \
+	  echo "chmod 755 $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBV)"; \
+	  rm -f $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \
+	  ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIB); \
+	  ln -s $(SHAREDLIBV) $(DESTDIR)$(sharedlibdir)/$(SHAREDLIBM); \
+	  ($(LDCONFIG) || true)  >/dev/null 2>&1; \
 	fi
 	cp zlib.3 $(DESTDIR)$(man3dir)
 	chmod 644 $(DESTDIR)$(man3dir)/zlib.3
@@ -186,22 +216,25 @@ install: install-libs
 	chmod 644 $(DESTDIR)$(includedir)/zlib.h $(DESTDIR)$(includedir)/zconf.h
 
 uninstall:
-	cd $(DESTDIR)$(includedir); rm -f zlib.h zconf.h
-	cd $(DESTDIR)$(libdir); rm -f libz.a; \
-	if test "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \
+	cd $(DESTDIR)$(includedir) && rm -f zlib.h zconf.h
+	cd $(DESTDIR)$(libdir) && rm -f libz.a; \
+	if test -n "$(SHAREDLIBV)" -a -f $(SHAREDLIBV); then \
 	  rm -f $(SHAREDLIBV) $(SHAREDLIB) $(SHAREDLIBM); \
 	fi
-	cd $(DESTDIR)$(man3dir); rm -f zlib.3
-	cd $(DESTDIR)$(pkgconfigdir); rm -f zlib.pc
+	cd $(DESTDIR)$(man3dir) && rm -f zlib.3
+	cd $(DESTDIR)$(pkgconfigdir) && rm -f zlib.pc
 
 docs: zlib.3.pdf
 
 zlib.3.pdf: zlib.3
 	groff -mandoc -f H -T ps zlib.3 | ps2pdf - zlib.3.pdf
 
-zconf.h.in: zconf.h.cmakein
-	sed "/^#cmakedefine/D" < zconf.h.cmakein > zconf.h.in
-	touch -r zconf.h.cmakein zconf.h.in
+zconf.h.cmakein: zconf.h.in
+	-@ TEMPFILE=zconfh_$$; \
+	echo "/#define ZCONF_H/ a\\\\\n#cmakedefine Z_PREFIX\\\\\n#cmakedefine Z_HAVE_UNISTD_H\n" >> $$TEMPFILE &&\
+	sed -f $$TEMPFILE zconf.h.in > zconf.h.cmakein &&\
+	touch -r zconf.h.in zconf.h.cmakein &&\
+	rm $$TEMPFILE
 
 zconf: zconf.h.in
 	cp -p zconf.h.in zconf.h
@@ -211,13 +244,16 @@ clean:
 	rm -f *.o *.lo *~ \
 	   example$(EXE) minigzip$(EXE) examplesh$(EXE) minigzipsh$(EXE) \
 	   example64$(EXE) minigzip64$(EXE) \
+	   infcover \
 	   libz.* foo.gz so_locations \
 	   _match.s maketree contrib/infback9/*.o
 	rm -rf objs
+	rm -f *.gcda *.gcno *.gcov
+	rm -f contrib/infback9/*.gcda contrib/infback9/*.gcno contrib/infback9/*.gcov
 
 maintainer-clean: distclean
-distclean: clean zconf docs
-	rm -f Makefile zlib.pc
+distclean: clean zconf zconf.h.cmakein docs
+	rm -f Makefile zlib.pc configure.log
 	-@rm -f .DS_Store
 	-@printf 'all:\n\t-@echo "Please use ./configure first.  Thank you."\n' > Makefile
 	-@printf '\ndistclean:\n\tmake -f Makefile.in distclean\n' >> Makefile

README

@@ -1,22 +1,23 @@
 ZLIB DATA COMPRESSION LIBRARY
 
-zlib 1.2.4 is a general purpose data compression library.  All the code is
+zlib 1.2.8 is a general purpose data compression library.  All the code is
 thread safe.  The data format used by the zlib library is described by RFCs
 (Request for Comments) 1950 to 1952 in the files
-http://www.ietf.org/rfc/rfc1950.txt (zlib format), rfc1951.txt (deflate format)
-and rfc1952.txt (gzip format).
+http://tools.ietf.org/html/rfc1950 (zlib format), rfc1951 (deflate format) and
+rfc1952 (gzip format).
 
 All functions of the compression library are documented in the file zlib.h
 (volunteer to write man pages welcome, contact zlib@gzip.org).  A usage example
-of the library is given in the file example.c which also tests that the library
-is working correctly.  Another example is given in the file minigzip.c.  The
-compression library itself is composed of all source files except example.c and
-minigzip.c.
+of the library is given in the file test/example.c which also tests that
+the library is working correctly.  Another example is given in the file
+test/minigzip.c.  The compression library itself is composed of all source
+files in the root directory.
 
 To compile all files and run the test program, follow the instructions given at
 the top of Makefile.in.  In short "./configure; make test", and if that goes
-well, "make install" should work for most flavors of Unix.  For Windows, use one
-of the special makefiles in win32/ or projects/ .  For VMS, use make_vms.com.
+well, "make install" should work for most flavors of Unix.  For Windows, use
+one of the special makefiles in win32/ or contrib/vstudio/ .  For VMS, use
+make_vms.com.
 
 Questions about zlib should be sent to <zlib@gzip.org>, or to Gilles Vollant
 <info@winimage.com> for the Windows DLL version.  The zlib home page is
@@ -30,7 +31,7 @@ Mark Nelson <markn@ieee.org> wrote an article about zlib for the Jan.  1997
 issue of Dr.  Dobb's Journal; a copy of the article is available at
 http://marknelson.us/1997/01/01/zlib-engine/ .
 
-The changes made in version 1.2.4 are documented in the file ChangeLog.
+The changes made in version 1.2.8 are documented in the file ChangeLog.
 
 Unsupported third party contributions are provided in directory contrib/ .
 
@@ -43,7 +44,7 @@ http://search.cpan.org/~pmqs/IO-Compress-Zlib/ .
 
 A Python interface to zlib written by A.M. Kuchling <amk@amk.ca> is
 available in Python 1.5 and later versions, see
-http://www.python.org/doc/lib/module-zlib.html .
+http://docs.python.org/library/zlib.html .
 
 zlib is built into tcl: http://wiki.tcl.tk/4610 .
 
@@ -83,7 +84,7 @@ Acknowledgments:
 
 Copyright notice:
 
- (C) 1995-2010 Jean-loup Gailly and Mark Adler
+ (C) 1995-2013 Jean-loup Gailly and Mark Adler
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the authors be held liable for any damages

adler32.c

@@ -1,5 +1,5 @@
 /* adler32.c -- compute the Adler-32 checksum of a data stream
- * Copyright (C) 1995-2007 Mark Adler
+ * Copyright (C) 1995-2011 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -9,9 +9,9 @@
 
 #define local static
 
-local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2);
+local uLong adler32_combine_ OF((uLong adler1, uLong adler2, z_off64_t len2));
 
-#define BASE 65521UL    /* largest prime smaller than 65536 */
+#define BASE 65521      /* largest prime smaller than 65536 */
 #define NMAX 5552
 /* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
 
@@ -21,39 +21,44 @@ local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2);
 #define DO8(buf,i)  DO4(buf,i); DO4(buf,i+4);
 #define DO16(buf)   DO8(buf,0); DO8(buf,8);
 
-/* use NO_DIVIDE if your processor does not do division in hardware */
+/* use NO_DIVIDE if your processor does not do division in hardware --
+   try it both ways to see which is faster */
 #ifdef NO_DIVIDE
-#  define MOD(a) \
+/* note that this assumes BASE is 65521, where 65536 % 65521 == 15
+   (thank you to John Reiser for pointing this out) */
+#  define CHOP(a) \
     do { \
-        if (a >= (BASE << 16)) a -= (BASE << 16); \
-        if (a >= (BASE << 15)) a -= (BASE << 15); \
-        if (a >= (BASE << 14)) a -= (BASE << 14); \
-        if (a >= (BASE << 13)) a -= (BASE << 13); \
-        if (a >= (BASE << 12)) a -= (BASE << 12); \
-        if (a >= (BASE << 11)) a -= (BASE << 11); \
-        if (a >= (BASE << 10)) a -= (BASE << 10); \
-        if (a >= (BASE << 9)) a -= (BASE << 9); \
-        if (a >= (BASE << 8)) a -= (BASE << 8); \
-        if (a >= (BASE << 7)) a -= (BASE << 7); \
-        if (a >= (BASE << 6)) a -= (BASE << 6); \
-        if (a >= (BASE << 5)) a -= (BASE << 5); \
-        if (a >= (BASE << 4)) a -= (BASE << 4); \
-        if (a >= (BASE << 3)) a -= (BASE << 3); \
-        if (a >= (BASE << 2)) a -= (BASE << 2); \
-        if (a >= (BASE << 1)) a -= (BASE << 1); \
+        unsigned long tmp = a >> 16; \
+        a &= 0xffffUL; \
+        a += (tmp << 4) - tmp; \
+    } while (0)
+#  define MOD28(a) \
+    do { \
+        CHOP(a); \
         if (a >= BASE) a -= BASE; \
     } while (0)
-#  define MOD4(a) \
+#  define MOD(a) \
     do { \
-        if (a >= (BASE << 4)) a -= (BASE << 4); \
-        if (a >= (BASE << 3)) a -= (BASE << 3); \
-        if (a >= (BASE << 2)) a -= (BASE << 2); \
-        if (a >= (BASE << 1)) a -= (BASE << 1); \
+        CHOP(a); \
+        MOD28(a); \
+    } while (0)
+#  define MOD63(a) \
+    do { /* this assumes a is not negative */ \
+        z_off64_t tmp = a >> 32; \
+        a &= 0xffffffffL; \
+        a += (tmp << 8) - (tmp << 5) + tmp; \
+        tmp = a >> 16; \
+        a &= 0xffffL; \
+        a += (tmp << 4) - tmp; \
+        tmp = a >> 16; \
+        a &= 0xffffL; \
+        a += (tmp << 4) - tmp; \
         if (a >= BASE) a -= BASE; \
     } while (0)
 #else
 #  define MOD(a) a %= BASE
-#  define MOD4(a) a %= BASE
+#  define MOD28(a) a %= BASE
+#  define MOD63(a) a %= BASE
 #endif
 
 /* ========================================================================= */
@@ -92,7 +97,7 @@ uLong ZEXPORT adler32(adler, buf, len)
         }
         if (adler >= BASE)
             adler -= BASE;
-        MOD4(sum2);             /* only added so many BASE's */
+        MOD28(sum2);            /* only added so many BASE's */
         return adler | (sum2 << 16);
     }
 
@@ -137,8 +142,13 @@ local uLong adler32_combine_(adler1, adler2, len2)
     unsigned long sum2;
     unsigned rem;
 
+    /* for negative len, return invalid adler32 as a clue for debugging */
+    if (len2 < 0)
+        return 0xffffffffUL;
+
     /* the derivation of this formula is left as an exercise for the reader */
-    rem = (unsigned)(len2 % BASE);
+    MOD63(len2);                /* assumes len2 >= 0 */
+    rem = (unsigned)len2;
     sum1 = adler1 & 0xffff;
     sum2 = rem * sum1;
     MOD(sum2);

as400/bndsrc

@@ -129,4 +129,87 @@ STRPGMEXP PGMLVL(*CURRENT) SIGNATURE('ZLIB')
 
   EXPORT SYMBOL("zlibCompileFlags")
 
+/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+/*   Version 1.2.5 additional entry points.                         */
+/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+
+/********************************************************************/
+/*   *MODULE      ADLER32      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("adler32_combine")
+  EXPORT SYMBOL("adler32_combine64")
+
+/********************************************************************/
+/*   *MODULE      CRC32        ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("crc32_combine")
+  EXPORT SYMBOL("crc32_combine64")
+
+/********************************************************************/
+/*   *MODULE      GZLIB        ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("gzbuffer")
+  EXPORT SYMBOL("gzoffset")
+  EXPORT SYMBOL("gzoffset64")
+  EXPORT SYMBOL("gzopen64")
+  EXPORT SYMBOL("gzseek64")
+  EXPORT SYMBOL("gztell64")
+
+/********************************************************************/
+/*   *MODULE      GZREAD       ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("gzclose_r")
+
+/********************************************************************/
+/*   *MODULE      GZWRITE      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("gzclose_w")
+
+/********************************************************************/
+/*   *MODULE      INFLATE      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("inflateMark")
+  EXPORT SYMBOL("inflatePrime")
+  EXPORT SYMBOL("inflateReset2")
+  EXPORT SYMBOL("inflateUndermine")
+
+/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+/*   Version 1.2.6 additional entry points.                         */
+/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+
+/********************************************************************/
+/*   *MODULE      DEFLATE      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("deflateResetKeep")
+  EXPORT SYMBOL("deflatePending")
+
+/********************************************************************/
+/*   *MODULE      GZWRITE      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("gzgetc_")
+
+/********************************************************************/
+/*   *MODULE      INFLATE      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("inflateResetKeep")
+
+/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+/*   Version 1.2.8 additional entry points.                         */
+/*@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@*/
+
+/********************************************************************/
+/*   *MODULE      INFLATE      ZLIB         01/02/01  00:15:09      */
+/********************************************************************/
+
+  EXPORT SYMBOL("inflateGetDictionary")
+
 ENDPGMEXP

as400/compile.clp

@@ -0,0 +1,110 @@
+/******************************************************************************/
+/*                                                                            */
+/*  ZLIB                                                                      */
+/*                                                                            */
+/*    Compile sources into modules and link them into a service program.      */
+/*                                                                            */
+/******************************************************************************/
+
+             PGM
+
+/*      Configuration adjustable parameters.                                  */
+
+             DCL        VAR(&SRCLIB) TYPE(*CHAR) LEN(10) +
+                          VALUE('ZLIB')                         /* Source library. */
+             DCL        VAR(&SRCFILE) TYPE(*CHAR) LEN(10) +
+                          VALUE('SOURCES')                      /* Source member file. */
+             DCL        VAR(&CTLFILE) TYPE(*CHAR) LEN(10) +
+                          VALUE('TOOLS')                        /* Control member file. */
+
+             DCL        VAR(&MODLIB) TYPE(*CHAR) LEN(10) +
+                          VALUE('ZLIB')                         /* Module library. */
+
+             DCL        VAR(&SRVLIB) TYPE(*CHAR) LEN(10) +
+                          VALUE('LGPL')                         /* Service program library. */
+
+             DCL        VAR(&CFLAGS) TYPE(*CHAR) +
+                          VALUE('OPTIMIZE(40)')                 /* Compile options. */
+
+             DCL        VAR(&TGTRLS) TYPE(*CHAR) +
+                          VALUE('V5R3M0')                       /* Target release. */
+
+
+/*      Working storage.                                                      */
+
+             DCL        VAR(&CMDLEN) TYPE(*DEC) LEN(15 5) VALUE(300)    /* Command length. */
+             DCL        VAR(&CMD) TYPE(*CHAR) LEN(512)
+             DCL        VAR(&FIXDCMD) TYPE(*CHAR) LEN(512)
+
+
+/*      Compile sources into modules.                                         */
+
+             CHGVAR     VAR(&FIXDCMD) VALUE('CRTCMOD' *BCAT &CFLAGS *BCAT      +
+                        'SYSIFCOPT(*IFS64IO)' *BCAT                            +
+                        'DEFINE(''_LARGEFILE64_SOURCE''' *BCAT                 +
+                        '''_LFS64_LARGEFILE=1'') TGTRLS(' *TCAT &TGTRLS *TCAT  +
+                        ') SRCFILE(' *TCAT &SRCLIB *TCAT '/' *TCAT             +
+                        &SRCFILE *TCAT ') MODULE(' *TCAT &MODLIB *TCAT '/')
+
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'ADLER32)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'COMPRESS)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'CRC32)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'DEFLATE)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'GZCLOSE)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'GZLIB)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'GZREAD)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'GZWRITE)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'INFBACK)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'INFFAST)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'INFLATE)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'INFTREES)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'TREES)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'UNCOMPR)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+             CHGVAR     VAR(&CMD) VALUE(&FIXDCMD *TCAT 'ZUTIL)')
+             CALL       PGM(QCMDEXC) PARM(&CMD &CMDLEN)
+
+
+/*      Link modules into a service program.                                  */
+
+             CRTSRVPGM  SRVPGM(&SRVLIB/ZLIB) +
+                          MODULE(&MODLIB/ADLER32     &MODLIB/COMPRESS    +
+                                 &MODLIB/CRC32       &MODLIB/DEFLATE     +
+                                 &MODLIB/GZCLOSE     &MODLIB/GZLIB       +
+                                 &MODLIB/GZREAD      &MODLIB/GZWRITE     +
+                                 &MODLIB/INFBACK     &MODLIB/INFFAST     +
+                                 &MODLIB/INFLATE     &MODLIB/INFTREES    +
+                                 &MODLIB/TREES       &MODLIB/UNCOMPR     +
+                                 &MODLIB/ZUTIL)                          +
+                          SRCFILE(&SRCLIB/&CTLFILE) SRCMBR(BNDSRC)       +
+                          TEXT('ZLIB 1.2.8') TGTRLS(&TGTRLS)
+
+             ENDPGM

as400/readme.txt

@@ -1,4 +1,4 @@
-        ZLIB version 1.2.3 for AS400 installation instructions
+        ZLIB version 1.2.8 for AS400 installation instructions
 
 I) From an AS400 *SAVF file:
 
@@ -8,7 +8,7 @@ On the AS400:
 
 _       Create the ZLIB AS400 library:
 
-        CRTLIB LIB(ZLIB) TYPE(PROD) TEXT('ZLIB compression API library')
+        CRTLIB LIB(ZLIB) TYPE(*PROD) TEXT('ZLIB compression API library')
 
 _       Create a work save file, for example:
 
@@ -52,7 +52,7 @@ II) From the original source distribution:
 
 1)      On the AS400, create the source library:
 
-        CRTLIB LIB(ZLIB) TYPE(PROD) TEXT('ZLIB compression API library')
+        CRTLIB LIB(ZLIB) TYPE(*PROD) TEXT('ZLIB compression API library')
 
 2)      Create the source files:
 
@@ -70,7 +70,10 @@ II) From the original source distribution:
     compress.c          COMPRESS C     ZLIB - Compress a memory buffer
     crc32.c             CRC32    C     ZLIB - Compute the CRC-32 of a data stream
     deflate.c           DEFLATE  C     ZLIB - Compress data using the deflation algorithm
-    gzio.c              GZIO     C     ZLIB - IO on .gz files
+    gzclose.c           GZCLOSE  C     ZLIB - Close .gz files
+    gzlib.c             GZLIB    C     ZLIB - Miscellaneous .gz files IO support
+    gzread.c            GZREAD   C     ZLIB - Read .gz files
+    gzwrite.c           GZWRITE  C     ZLIB - Write .gz files
     infback.c           INFBACK  C     ZLIB - Inflate using a callback interface
     inffast.c           INFFAST  C     ZLIB - Fast proc. literals & length/distance pairs
     inflate.c           INFLATE  C     ZLIB - Interface to inflate modules
@@ -81,6 +84,7 @@ II) From the original source distribution:
                 H                      Original ZLIB C and ILE/RPG include files
     crc32.h             CRC32    C     ZLIB - CRC32 tables
     deflate.h           DEFLATE  C     ZLIB - Internal compression state
+    gzguts.h            GZGUTS   C     ZLIB - Definitions for the gzclose module
     inffast.h           INFFAST  C     ZLIB - Header to use inffast.c
     inffixed.h          INFFIXED C     ZLIB - Table for decoding fixed codes
     inflate.h           INFLATE  C     ZLIB - Internal inflate state definitions
@@ -108,4 +112,4 @@ Notes:  For AS400 ILE RPG programmers, a /copy member defining the ZLIB
                 implementation does not handle conversion from/to ASCII, so
                 text data code conversions must be done explicitely.
 
-        Always open zipped files in binary mode.
+        Mainly for the reason above, always open zipped files in binary mode.

as400/zlib.inc

@@ -1,7 +1,7 @@
       *  ZLIB.INC - Interface to the general purpose compression library
       *
       *  ILE RPG400 version by Patrick Monnerat, DATASPHERE.
-      *  Version 1.2.3.9
+      *  Version 1.2.8
       *
       *
       *  WARNING:
@@ -22,16 +22,25 @@
       *
       *  Versioning information.
       *
-     D ZLIB_VERSION    C                   '1.2.3.9'
-     D ZLIB_VERNUM     C                   X'1239'
+     D ZLIB_VERSION    C                   '1.2.8'
+     D ZLIB_VERNUM     C                   X'1280'
+     D ZLIB_VER_MAJOR  C                   1
+     D ZLIB_VER_MINOR  C                   2
+     D ZLIB_VER_REVISION...
+     D                 C                   8
+     D ZLIB_VER_SUBREVISION...
+     D                 C                   0
       *
       *  Other equates.
       *
      D Z_NO_FLUSH      C                   0
+     D Z_PARTIAL_FLUSH...
+     D                 C                   1
      D Z_SYNC_FLUSH    C                   2
      D Z_FULL_FLUSH    C                   3
      D Z_FINISH        C                   4
      D Z_BLOCK         C                   5
+     D Z_TREES         C                   6
       *
      D Z_OK            C                   0
      D Z_STREAM_END    C                   1
@@ -72,6 +81,7 @@
      D z_streamp       S               *                                        Stream struct ptr
      D gzFile          S               *                                        File pointer
      D z_off_t         S             10i 0                                      Stream offsets
+     D z_off64_t       S             20i 0                                      Stream offsets
       *
       **************************************************************************
       *                               Structures
@@ -101,15 +111,15 @@
       **************************************************************************
       *
      D compress        PR            10I 0 extproc('compress')
-     D  dest                      32767    options(*varsize)                    Destination buffer
+     D  dest                      65535    options(*varsize)                    Destination buffer
      D  destLen                      10U 0                                      Destination length
-     D  source                    32767    const options(*varsize)              Source buffer
+     D  source                    65535    const options(*varsize)              Source buffer
      D  sourceLen                    10u 0 value                                Source length
       *
      D compress2       PR            10I 0 extproc('compress2')
-     D  dest                      32767    options(*varsize)                    Destination buffer
+     D  dest                      65535    options(*varsize)                    Destination buffer
      D  destLen                      10U 0                                      Destination length
-     D  source                    32767    const options(*varsize)              Source buffer
+     D  source                    65535    const options(*varsize)              Source buffer
      D  sourceLen                    10U 0 value                                Source length
      D  level                        10I 0 value                                Compression level
       *
@@ -117,34 +127,50 @@
      D  sourceLen                    10U 0 value
       *
      D uncompress      PR            10I 0 extproc('uncompress')
-     D  dest                      32767    options(*varsize)                    Destination buffer
+     D  dest                      65535    options(*varsize)                    Destination buffer
      D  destLen                      10U 0                                      Destination length
-     D  source                    32767    const options(*varsize)              Source buffer
+     D  source                    65535    const options(*varsize)              Source buffer
      D  sourceLen                    10U 0 value                                Source length
       *
+      /if not defined(LARGE_FILES)
      D gzopen          PR                  extproc('gzopen')
      D                                     like(gzFile)
      D  path                           *   value options(*string)               File pathname
      D  mode                           *   value options(*string)               Open mode
+      /else
+     D gzopen          PR                  extproc('gzopen64')
+     D                                     like(gzFile)
+     D  path                           *   value options(*string)               File pathname
+     D  mode                           *   value options(*string)               Open mode
+      *
+     D gzopen64        PR                  extproc('gzopen64')
+     D                                     like(gzFile)
+     D  path                           *   value options(*string)               File pathname
+     D  mode                           *   value options(*string)               Open mode
+      /endif
       *
      D gzdopen         PR                  extproc('gzdopen')
      D                                     like(gzFile)
-     D  fd                           10i 0 value                                File descriptor
+     D  fd                           10I 0 value                                File descriptor
      D  mode                           *   value options(*string)               Open mode
       *
+     D gzbuffer        PR            10I 0 extproc('gzbuffer')
+     D  file                               value like(gzFile)                   File pointer
+     D  size                         10U 0 value
+      *
      D gzsetparams     PR            10I 0 extproc('gzsetparams')
      D  file                               value like(gzFile)                   File pointer
      D  level                        10I 0 value
-     D  strategy                     10i 0 value
+     D  strategy                     10I 0 value
       *
      D gzread          PR            10I 0 extproc('gzread')
      D  file                               value like(gzFile)                   File pointer
-     D  buf                       32767    options(*varsize)                    Buffer
+     D  buf                       65535    options(*varsize)                    Buffer
      D  len                          10u 0 value                                Buffer length
       *
      D gzwrite         PR            10I 0 extproc('gzwrite')
      D  file                               value like(gzFile)                   File pointer
-     D  buf                       32767    const options(*varsize)              Buffer
+     D  buf                       65535    const options(*varsize)              Buffer
      D  len                          10u 0 value                                Buffer length
       *
      D gzputs          PR            10I 0 extproc('gzputs')
@@ -153,27 +179,85 @@
       *
      D gzgets          PR              *   extproc('gzgets')
      D  file                               value like(gzFile)                   File pointer
-     D  buf                       32767    options(*varsize)                    Read buffer
+     D  buf                       65535    options(*varsize)                    Read buffer
      D  len                          10i 0 value                                Buffer length
       *
+     D gzputc          PR            10i 0 extproc('gzputc')
+     D  file                               value like(gzFile)                   File pointer
+     D  c                            10I 0 value                                Character to write
+      *
+     D gzgetc          PR            10i 0 extproc('gzgetc')
+     D  file                               value like(gzFile)                   File pointer
+      *
+     D gzgetc_         PR            10i 0 extproc('gzgetc_')
+     D  file                               value like(gzFile)                   File pointer
+      *
+     D gzungetc        PR            10i 0 extproc('gzungetc')
+     D  c                            10I 0 value                                Character to push
+     D  file                               value like(gzFile)                   File pointer
+      *
      D gzflush         PR            10i 0 extproc('gzflush')
      D  file                               value like(gzFile)                   File pointer
      D  flush                        10I 0 value                                Type of flush
       *
+      /if not defined(LARGE_FILES)
      D gzseek          PR                  extproc('gzseek')
      D                                     like(z_off_t)
      D  file                               value like(gzFile)                   File pointer
      D  offset                             value like(z_off_t)                  Offset
      D  whence                       10i 0 value                                Origin
+      /else
+     D gzseek          PR                  extproc('gzseek64')
+     D                                     like(z_off_t)
+     D  file                               value like(gzFile)                   File pointer
+     D  offset                             value like(z_off_t)                  Offset
+     D  whence                       10i 0 value                                Origin
+      *
+     D gzseek64        PR                  extproc('gzseek64')
+     D                                     like(z_off64_t)
+     D  file                               value like(gzFile)                   File pointer
+     D  offset                             value like(z_off64_t)                Offset
+     D  whence                       10i 0 value                                Origin
+      /endif
       *
      D gzrewind        PR            10i 0 extproc('gzrewind')
      D  file                               value like(gzFile)                   File pointer
       *
+      /if not defined(LARGE_FILES)
      D gztell          PR                  extproc('gztell')
      D                                     like(z_off_t)
      D  file                               value like(gzFile)                   File pointer
+      /else
+     D gztell          PR                  extproc('gztell64')
+     D                                     like(z_off_t)
+     D  file                               value like(gzFile)                   File pointer
+      *
+     D gztell64        PR                  extproc('gztell64')
+     D                                     like(z_off64_t)
+     D  file                               value like(gzFile)                   File pointer
+      /endif
+      *
+      /if not defined(LARGE_FILES)
+     D gzoffset        PR                  extproc('gzoffset')
+     D                                     like(z_off_t)
+     D  file                               value like(gzFile)                   File pointer
+      /else
+     D gzoffset        PR                  extproc('gzoffset64')
+     D                                     like(z_off_t)
+     D  file                               value like(gzFile)                   File pointer
+      *
+     D gzoffset64      PR                  extproc('gzoffset64')
+     D                                     like(z_off64_t)
+     D  file                               value like(gzFile)                   File pointer
+      /endif
       *
      D gzeof           PR            10i 0 extproc('gzeof')
+     D  file                               value like(gzFile)                   File pointer
+      *
+     D gzclose_r       PR            10i 0 extproc('gzclose_r')
+     D  file                               value like(gzFile)                   File pointer
+      *
+     D gzclose_w       PR            10i 0 extproc('gzclose_w')
      D  file                               value like(gzFile)                   File pointer
       *
      D gzclose         PR            10i 0 extproc('gzclose')
@@ -234,7 +318,7 @@
      D deflateSetDictionary...
      D                 PR            10I 0 extproc('deflateSetDictionary')      Init. dictionary
      D  strm                               like(z_stream)                       Compression stream
-     D  dictionary                32767    const options(*varsize)              Dictionary bytes
+     D  dictionary                65535    const options(*varsize)              Dictionary bytes
      D  dictLength                   10U 0 value                                Dictionary length
       *
      D deflateCopy     PR            10I 0 extproc('deflateCopy')               Compress strm 2 strm
@@ -253,9 +337,14 @@
      D  strm                               like(z_stream)                       Compression stream
      D  sourcelen                    10U 0 value                                Compression level
       *
+     D deflatePending  PR            10I 0 extproc('deflatePending')            Change level & strat
+     D  strm                               like(z_stream)                       Compression stream
+     D  pending                      10U 0                                      Pending bytes
+     D  bits                         10I 0                                      Pending bits
+      *
      D deflatePrime    PR            10I 0 extproc('deflatePrime')              Change level & strat
      D  strm                               like(z_stream)                       Compression stream
-     D  bits                         10I 0 value                                Number of bits to insert
+     D  bits                         10I 0 value                                # of bits to insert
      D  value                        10I 0 value                                Bits to insert
       *
      D inflateInit2    PR            10I 0 extproc('inflateInit2_')             Init. expansion
@@ -267,9 +356,15 @@
      D inflateSetDictionary...
      D                 PR            10I 0 extproc('inflateSetDictionary')      Init. dictionary
      D  strm                               like(z_stream)                       Expansion stream
-     D  dictionary                32767    const options(*varsize)              Dictionary bytes
+     D  dictionary                65535    const options(*varsize)              Dictionary bytes
      D  dictLength                   10U 0 value                                Dictionary length
       *
+     D inflateGetDictionary...
+     D                 PR            10I 0 extproc('inflateGetDictionary')      Get dictionary
+     D  strm                               like(z_stream)                       Expansion stream
+     D  dictionary                65535    options(*varsize)                    Dictionary bytes
+     D  dictLength                   10U 0                                      Dictionary length
+      *
      D inflateSync     PR            10I 0 extproc('inflateSync')               Sync. expansion
      D  strm                               like(z_stream)                       Expansion stream
       *
@@ -278,13 +373,25 @@
      D  source                             like(z_stream)                       Source stream
       *
      D inflateReset    PR            10I 0 extproc('inflateReset')              End and init. stream
+     D  strm                               like(z_stream)                       Expansion stream
+      *
+     D inflateReset2   PR            10I 0 extproc('inflateReset2')             End and init. stream
+     D  strm                               like(z_stream)                       Expansion stream
+     D  windowBits                   10I 0 value                                Log2(buffer size)
+      *
+     D inflatePrime    PR            10I 0 extproc('inflatePrime')              Insert bits
+     D  strm                               like(z_stream)                       Expansion stream
+     D  bits                         10I 0 value                                Bit count
+     D  value                        10I 0 value                                Bits to insert
+      *
+     D inflateMark     PR            10I 0 extproc('inflateMark')               Get inflate info
      D  strm                               like(z_stream)                       Expansion stream
       *
      D inflateBackInit...
      D                 PR            10I 0 extproc('inflateBackInit_')
      D  strm                               like(z_stream)                       Expansion stream
      D  windowBits                   10I 0 value                                Log2(buffer size)
-     D  window                    32767    options(*varsize)                    Buffer
+     D  window                    65535    options(*varsize)                    Buffer
      D  version                        *   value options(*string)               Version string
      D  stream_size                  10i 0 value                                Stream struct. size
       *
@@ -307,12 +414,12 @@
       *
      D adler32         PR            10U 0 extproc('adler32')                   New checksum
      D  adler                        10U 0 value                                Old checksum
-     D  buf                       32767    const options(*varsize)              Bytes to accumulate
+     D  buf                       65535    const options(*varsize)              Bytes to accumulate
      D  len                          10U 0 value                                Buffer length
       *
      D crc32           PR            10U 0 extproc('crc32')                     New checksum
      D  crc                          10U 0 value                                Old checksum
-     D  buf                       32767    const options(*varsize)              Bytes to accumulate
+     D  buf                       65535    const options(*varsize)              Bytes to accumulate
      D  len                          10U 0 value                                Buffer length
       *
       **************************************************************************
@@ -328,4 +435,17 @@
       *
      D get_crc_table   PR              *   extproc('get_crc_table')             Ptr to ulongs
       *
+     D inflateUndermine...
+     D                 PR            10I 0 extproc('inflateUndermine')
+     D  strm                               like(z_stream)                       Expansion stream
+     D  arg                          10I 0 value                                Error code
+      *
+     D inflateResetKeep...
+     D                 PR            10I 0 extproc('inflateResetKeep')          End and init. stream
+     D  strm                               like(z_stream)                       Expansion stream
+      *
+     D deflateResetKeep...
+     D                 PR            10I 0 extproc('deflateResetKeep')          End and init. stream
+     D  strm                               like(z_stream)                       Expansion stream
+      *
       /endif

compress.c

@@ -29,7 +29,7 @@ int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
     z_stream stream;
     int err;
 
-    stream.next_in = (Bytef*)source;
+    stream.next_in = (z_const Bytef *)source;
     stream.avail_in = (uInt)sourceLen;
 #ifdef MAXSEG_64K
     /* Check for source > 64K on 16-bit machine: */

configure

@@ -13,87 +13,191 @@
 # If you have problems, try without defining CC and CFLAGS before reporting
 # an error.
 
+# start off configure.log
+echo -------------------- >> configure.log
+echo $0 $* >> configure.log
+date >> configure.log
+
+# set command prefix for cross-compilation
+if [ -n "${CHOST}" ]; then
+    uname="`echo "${CHOST}" | sed -e 's/^[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)$/\1/' -e 's/^[^-]*-[^-]*-\([^-]*\)-.*$/\1/'`"
+    CROSS_PREFIX="${CHOST}-"
+fi
+
+# destination name for static library
 STATICLIB=libz.a
-LDFLAGS="${LDFLAGS} -L. ${STATICLIB}"
+
+# extract zlib version numbers from zlib.h
 VER=`sed -n -e '/VERSION "/s/.*"\(.*\)".*/\1/p' < zlib.h`
 VER3=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\\.[0-9]*\).*/\1/p' < zlib.h`
 VER2=`sed -n -e '/VERSION "/s/.*"\([0-9]*\\.[0-9]*\)\\..*/\1/p' < zlib.h`
 VER1=`sed -n -e '/VERSION "/s/.*"\([0-9]*\)\\..*/\1/p' < zlib.h`
-AR=${AR-"ar"}
-AR_RC="${AR} rc"
-RANLIB=${RANLIB-"ranlib"}
+
+# establish commands for library building
+if "${CROSS_PREFIX}ar" --version >/dev/null 2>/dev/null || test $? -lt 126; then
+    AR=${AR-"${CROSS_PREFIX}ar"}
+    test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log
+else
+    AR=${AR-"ar"}
+    test -n "${CROSS_PREFIX}" && echo Using ${AR} | tee -a configure.log
+fi
+ARFLAGS=${ARFLAGS-"rc"}
+if "${CROSS_PREFIX}ranlib" --version >/dev/null 2>/dev/null || test $? -lt 126; then
+    RANLIB=${RANLIB-"${CROSS_PREFIX}ranlib"}
+    test -n "${CROSS_PREFIX}" && echo Using ${RANLIB} | tee -a configure.log
+else
+    RANLIB=${RANLIB-"ranlib"}
+fi
+if "${CROSS_PREFIX}nm" --version >/dev/null 2>/dev/null || test $? -lt 126; then
+    NM=${NM-"${CROSS_PREFIX}nm"}
+    test -n "${CROSS_PREFIX}" && echo Using ${NM} | tee -a configure.log
+else
+    NM=${NM-"nm"}
+fi
+
+# set defaults before processing command line options
+LDCONFIG=${LDCONFIG-"ldconfig"}
+LDSHAREDLIBC="${LDSHAREDLIBC--lc}"
+ARCHS=
 prefix=${prefix-/usr/local}
 exec_prefix=${exec_prefix-'${prefix}'}
 libdir=${libdir-'${exec_prefix}/lib'}
+sharedlibdir=${sharedlibdir-'${libdir}'}
 includedir=${includedir-'${prefix}/include'}
 mandir=${mandir-'${prefix}/share/man'}
 shared_ext='.so'
 shared=1
+solo=0
+cover=0
 zprefix=0
+zconst=0
 build64=0
 gcc=0
 old_cc="$CC"
 old_cflags="$CFLAGS"
+OBJC='$(OBJZ) $(OBJG)'
+PIC_OBJC='$(PIC_OBJZ) $(PIC_OBJG)'
 
+# leave this script, optionally in a bad way
+leave()
+{
+  if test "$*" != "0"; then
+    echo "** $0 aborting." | tee -a configure.log
+  fi
+  rm -f $test.[co] $test $test$shared_ext $test.gcno ./--version
+  echo -------------------- >> configure.log
+  echo >> configure.log
+  echo >> configure.log
+  exit $1
+}
+
+# process command line options
 while test $# -ge 1
 do
 case "$1" in
     -h* | --help)
-      echo 'usage:'
-      echo '  configure [--zprefix] [--prefix=PREFIX]  [--eprefix=EXPREFIX]'
-      echo '    [--static] [--64] [--libdir=LIBDIR] [--includedir=INCLUDEDIR]'
+      echo 'usage:' | tee -a configure.log
+      echo '  configure [--const] [--zprefix] [--prefix=PREFIX]  [--eprefix=EXPREFIX]' | tee -a configure.log
+      echo '    [--static] [--64] [--libdir=LIBDIR] [--sharedlibdir=LIBDIR]' | tee -a configure.log
+      echo '    [--includedir=INCLUDEDIR] [--archs="-arch i386 -arch x86_64"]' | tee -a configure.log
         exit 0 ;;
-    -p*=* | --prefix=*) prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift ;;
-    -e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/[-a-z_]*=//'`; shift ;;
-    -l*=* | --libdir=*) libdir=`echo $1 | sed 's/[-a-z_]*=//'`; shift ;;
-    -i*=* | --includedir=*) includedir=`echo $1 | sed 's/[-a-z_]*=//'`;shift ;;
-    -u*=* | --uname=*) uname=`echo $1 | sed 's/[-a-z_]*=//'`;shift ;;
+    -p*=* | --prefix=*) prefix=`echo $1 | sed 's/.*=//'`; shift ;;
+    -e*=* | --eprefix=*) exec_prefix=`echo $1 | sed 's/.*=//'`; shift ;;
+    -l*=* | --libdir=*) libdir=`echo $1 | sed 's/.*=//'`; shift ;;
+    --sharedlibdir=*) sharedlibdir=`echo $1 | sed 's/.*=//'`; shift ;;
+    -i*=* | --includedir=*) includedir=`echo $1 | sed 's/.*=//'`;shift ;;
+    -u*=* | --uname=*) uname=`echo $1 | sed 's/.*=//'`;shift ;;
     -p* | --prefix) prefix="$2"; shift; shift ;;
     -e* | --eprefix) exec_prefix="$2"; shift; shift ;;
     -l* | --libdir) libdir="$2"; shift; shift ;;
     -i* | --includedir) includedir="$2"; shift; shift ;;
     -s* | --shared | --enable-shared) shared=1; shift ;;
     -t | --static) shared=0; shift ;;
+    --solo) solo=1; shift ;;
+    --cover) cover=1; shift ;;
     -z* | --zprefix) zprefix=1; shift ;;
     -6* | --64) build64=1; shift ;;
-    --sysconfdir=*) echo "ignored option: --sysconfdir"; shift ;;
-    --localstatedir=*) echo "ignored option: --localstatedir"; shift ;;
-    *) echo "unknown option: $1"; echo "$0 --help for help"; exit 1 ;;
+    -a*=* | --archs=*) ARCHS=`echo $1 | sed 's/.*=//'`; shift ;;
+    --sysconfdir=*) echo "ignored option: --sysconfdir" | tee -a configure.log; shift ;;
+    --localstatedir=*) echo "ignored option: --localstatedir" | tee -a configure.log; shift ;;
+    -c* | --const) zconst=1; shift ;;
+    *)
+      echo "unknown option: $1" | tee -a configure.log
+      echo "$0 --help for help" | tee -a configure.log
+      leave 1;;
     esac
 done
 
+# temporary file name
 test=ztest$$
+
+# put arguments in log, also put test file in log if used in arguments
+show()
+{
+  case "$*" in
+    *$test.c*)
+      echo === $test.c === >> configure.log
+      cat $test.c >> configure.log
+      echo === >> configure.log;;
+  esac
+  echo $* >> configure.log
+}
+
+# check for gcc vs. cc and set compile and link flags based on the system identified by uname
 cat > $test.c <<EOF
 extern int getchar();
 int hello() {return getchar();}
 EOF
 
-test -z "$CC" && echo Checking for gcc...
-cc=${CC-gcc}
+test -z "$CC" && echo Checking for ${CROSS_PREFIX}gcc... | tee -a configure.log
+cc=${CC-${CROSS_PREFIX}gcc}
 cflags=${CFLAGS-"-O3"}
 # to force the asm version use: CFLAGS="-O3 -DASMV" ./configure
 case "$cc" in
   *gcc*) gcc=1 ;;
+  *clang*) gcc=1 ;;
+esac
+case `$cc -v 2>&1` in
+  *gcc*) gcc=1 ;;
 esac
 
-if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then
+show $cc -c $test.c
+if test "$gcc" -eq 1 && ($cc -c $test.c) >> configure.log 2>&1; then
+  echo ... using gcc >> configure.log
   CC="$cc"
-  SFLAGS="${CFLAGS-"-O3"} -fPIC"
-  CFLAGS="${CFLAGS-"-O3"}"
+  CFLAGS="${CFLAGS--O3} ${ARCHS}"
+  SFLAGS="${CFLAGS--O3} -fPIC"
+  LDFLAGS="${LDFLAGS} ${ARCHS}"
   if test $build64 -eq 1; then
     CFLAGS="${CFLAGS} -m64"
     SFLAGS="${SFLAGS} -m64"
   fi
   if test "${ZLIBGCCWARN}" = "YES"; then
-    CFLAGS="${CFLAGS} -Wall -Wextra -pedantic"
+    if test "$zconst" -eq 1; then
+      CFLAGS="${CFLAGS} -Wall -Wextra -Wcast-qual -pedantic -DZLIB_CONST"
+    else
+      CFLAGS="${CFLAGS} -Wall -Wextra -pedantic"
+    fi
   fi
   if test -z "$uname"; then
     uname=`(uname -s || echo unknown) 2>/dev/null`
   fi
   case "$uname" in
-  Linux | linux | GNU | GNU/* | *BSD | DragonFly) LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} ;;
-  CYGWIN* | Cygwin* | cygwin* | OS/2* )
-             EXE='.exe' ;;
+  Linux* | linux* | GNU | GNU/* | solaris*)
+        LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"} ;;
+  *BSD | *bsd* | DragonFly)
+        LDSHARED=${LDSHARED-"$cc -shared -Wl,-soname,libz.so.1,--version-script,zlib.map"}
+        LDCONFIG="ldconfig -m" ;;
+  CYGWIN* | Cygwin* | cygwin* | OS/2*)
+        EXE='.exe' ;;
+  MINGW* | mingw*)
+# temporary bypass
+        rm -f $test.[co] $test $test$shared_ext
+        echo "Please use win32/Makefile.gcc instead." | tee -a configure.log
+        leave 1
+        LDSHARED=${LDSHARED-"$cc -shared"}
+        LDSHAREDLIBC=""
+        EXE='.exe' ;;
   QNX*)  # This is for QNX6. I suppose that the QNX rule below is for QNX2,QNX4
          # (alain.bonnefoy@icbt.com)
                  LDSHARED=${LDSHARED-"$cc -shared -Wl,-hlibz.so.1"} ;;
@@ -107,16 +211,25 @@ if test "$gcc" -eq 1 && ($cc -c $cflags $test.c) 2>/dev/null; then
                  shared_ext='.sl'
                  SHAREDLIB='libz.sl' ;;
          esac ;;
-  Darwin*)   shared_ext='.dylib'
+  Darwin* | darwin*)
+             shared_ext='.dylib'
              SHAREDLIB=libz$shared_ext
              SHAREDLIBV=libz.$VER$shared_ext
              SHAREDLIBM=libz.$VER1$shared_ext
-             LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"} ;;
+             LDSHARED=${LDSHARED-"$cc -dynamiclib -install_name $libdir/$SHAREDLIBM -compatibility_version $VER1 -current_version $VER3"}
+             if libtool -V 2>&1 | grep Apple > /dev/null; then
+                 AR="libtool"
+             else
+                 AR="/usr/bin/libtool"
+             fi
+             ARFLAGS="-o" ;;
   *)             LDSHARED=${LDSHARED-"$cc -shared"} ;;
   esac
 else
   # find system name and corresponding cc options
   CC=${CC-cc}
+  gcc=0
+  echo ... using $CC >> configure.log
   if test -z "$uname"; then
     uname=`(uname -sr || echo unknown) 2>/dev/null`
   fi
@@ -147,19 +260,34 @@ else
              CFLAGS=${CFLAGS-"-4 -O"}
              LDSHARED=${LDSHARED-"cc"}
              RANLIB=${RANLIB-"true"}
-             AR_RC="cc -A" ;;
+             AR="cc"
+             ARFLAGS="-A" ;;
   SCO_SV\ 3.2*) SFLAGS=${CFLAGS-"-O3 -dy -KPIC "}
              CFLAGS=${CFLAGS-"-O3"}
              LDSHARED=${LDSHARED-"cc -dy -KPIC -G"} ;;
-  SunOS\ 5*) LDSHARED=${LDSHARED-"cc -G"}
-         case `(uname -m || echo unknown) 2>/dev/null` in
-         i86*)
-             SFLAGS=${CFLAGS-"-xpentium -fast -KPIC -R."}
-             CFLAGS=${CFLAGS-"-xpentium -fast"} ;;
-         *)
-             SFLAGS=${CFLAGS-"-fast -xcg92 -KPIC -R."}
-             CFLAGS=${CFLAGS-"-fast -xcg92"} ;;
-         esac ;;
+  SunOS\ 5* | solaris*)
+         LDSHARED=${LDSHARED-"cc -G -h libz$shared_ext.$VER1"}
+         SFLAGS=${CFLAGS-"-fast -KPIC"}
+         CFLAGS=${CFLAGS-"-fast"}
+         if test $build64 -eq 1; then
+             # old versions of SunPRO/Workshop/Studio don't support -m64,
+             # but newer ones do.  Check for it.
+             flag64=`$CC -flags | egrep -- '^-m64'`
+             if test x"$flag64" != x"" ; then
+                 CFLAGS="${CFLAGS} -m64"
+                 SFLAGS="${SFLAGS} -m64"
+             else
+                 case `(uname -m || echo unknown) 2>/dev/null` in
+                   i86*)
+                     SFLAGS="$SFLAGS -xarch=amd64"
+                     CFLAGS="$CFLAGS -xarch=amd64" ;;
+                   *)
+                     SFLAGS="$SFLAGS -xarch=v9"
+                     CFLAGS="$CFLAGS -xarch=v9" ;;
+                 esac
+             fi
+         fi
+         ;;
   SunOS\ 4*) SFLAGS=${CFLAGS-"-O2 -PIC"}
              CFLAGS=${CFLAGS-"-O2"}
              LDSHARED=${LDSHARED-"ld"} ;;
@@ -189,25 +317,79 @@ else
   esac
 fi
 
+# destination names for shared library if not defined above
 SHAREDLIB=${SHAREDLIB-"libz$shared_ext"}
 SHAREDLIBV=${SHAREDLIBV-"libz$shared_ext.$VER"}
 SHAREDLIBM=${SHAREDLIBM-"libz$shared_ext.$VER1"}
 
+echo >> configure.log
+
+# define functions for testing compiler and library characteristics and logging the results
+
+cat > $test.c <<EOF
+#error error
+EOF
+if ($CC -c $CFLAGS $test.c) 2>/dev/null; then
+  try()
+  {
+    show $*
+    test "`( $* ) 2>&1 | tee -a configure.log`" = ""
+  }
+  echo - using any output from compiler to indicate an error >> configure.log
+else
+try()
+{
+  show $*
+  ( $* ) >> configure.log 2>&1
+  ret=$?
+  if test $ret -ne 0; then
+    echo "(exit code "$ret")" >> configure.log
+  fi
+  return $ret
+}
+fi
+
+tryboth()
+{
+  show $*
+  got=`( $* ) 2>&1`
+  ret=$?
+  printf %s "$got" >> configure.log
+  if test $ret -ne 0; then
+    return $ret
+  fi
+  test "$got" = ""
+}
+
+cat > $test.c << EOF
+int foo() { return 0; }
+EOF
+echo "Checking for obsessive-compulsive compiler options..." >> configure.log
+if try $CC -c $CFLAGS $test.c; then
+  :
+else
+  echo "Compiler error reporting is too harsh for $0 (perhaps remove -Werror)." | tee -a configure.log
+  leave 1
+fi
+
+echo >> configure.log
+
+# see if shared library build supported
+cat > $test.c <<EOF
+extern int getchar();
+int hello() {return getchar();}
+EOF
 if test $shared -eq 1; then
-  echo Checking for shared library support...
+  echo Checking for shared library support... | tee -a configure.log
   # we must test in two steps (cc then ld), required at least on SunOS 4.x
-  if test "`($CC -w -c $SFLAGS $test.c) 2>&1`" = "" &&
-     test "`($LDSHARED $SFLAGS -o $test$shared_ext $test.o) 2>&1`" = ""; then
-    echo Building shared library $SHAREDLIBV with $CC.
+  if try $CC -w -c $SFLAGS $test.c &&
+     try $LDSHARED $SFLAGS -o $test$shared_ext $test.o; then
+    echo Building shared library $SHAREDLIBV with $CC. | tee -a configure.log
   elif test -z "$old_cc" -a -z "$old_cflags"; then
-    echo No shared library support.
+    echo No shared library support. | tee -a configure.log
     shared=0;
   else
-    echo Tested $CC -w -c $SFLAGS $test.c
-    $CC -w -c $SFLAGS $test.c
-    echo Tested $LDSHARED $SFLAGS -o $test$shared_ext $test.o
-    $LDSHARED $SFLAGS -o $test$shared_ext $test.o
-    echo 'No shared library support; try without defining CC and CFLAGS'
+    echo 'No shared library support; try without defining CC and CFLAGS' | tee -a configure.log
     shared=0;
   fi
 fi
@@ -218,25 +400,43 @@ if test $shared -eq 0; then
   SHAREDLIB=""
   SHAREDLIBV=""
   SHAREDLIBM=""
-  echo Building static library $STATICLIB version $VER with $CC.
+  echo Building static library $STATICLIB version $VER with $CC. | tee -a configure.log
 else
   ALL="static shared"
   TEST="all teststatic testshared"
 fi
 
+# check for underscores in external names for use by assembler code
+CPP=${CPP-"$CC -E"}
+case $CFLAGS in
+  *ASMV*)
+    echo >> configure.log
+    show "$NM $test.o | grep _hello"
+    if test "`$NM $test.o | grep _hello | tee -a configure.log`" = ""; then
+      CPP="$CPP -DNO_UNDERLINE"
+      echo Checking for underline in external names... No. | tee -a configure.log
+    else
+      echo Checking for underline in external names... Yes. | tee -a configure.log
+    fi ;;
+esac
+
+echo >> configure.log
+
+# check for large file support, and if none, check for fseeko()
 cat > $test.c <<EOF
 #include <sys/types.h>
 off64_t dummy = 0;
 EOF
-if test "`($CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c) 2>&1`" = ""; then
+if try $CC -c $CFLAGS -D_LARGEFILE64_SOURCE=1 $test.c; then
   CFLAGS="${CFLAGS} -D_LARGEFILE64_SOURCE=1"
   SFLAGS="${SFLAGS} -D_LARGEFILE64_SOURCE=1"
   ALL="${ALL} all64"
   TEST="${TEST} test64"
-  echo "Checking for off64_t... Yes."
-  echo "Checking for fseeko... Yes."
+  echo "Checking for off64_t... Yes." | tee -a configure.log
+  echo "Checking for fseeko... Yes." | tee -a configure.log
 else
-  echo "Checking for off64_t... No."
+  echo "Checking for off64_t... No." | tee -a configure.log
+  echo >> configure.log
   cat > $test.c <<EOF
 #include <stdio.h>
 int main(void) {
@@ -244,262 +444,335 @@ int main(void) {
   return 0;
 }
 EOF
-  if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then
-    echo "Checking for fseeko... Yes."
+  if try $CC $CFLAGS -o $test $test.c; then
+    echo "Checking for fseeko... Yes." | tee -a configure.log
   else
     CFLAGS="${CFLAGS} -DNO_FSEEKO"
     SFLAGS="${SFLAGS} -DNO_FSEEKO"
-    echo "Checking for fseeko... No."
+    echo "Checking for fseeko... No." | tee -a configure.log
   fi
 fi
 
+echo >> configure.log
+
+# check for strerror() for use by gz* functions
+cat > $test.c <<EOF
+#include <string.h>
+#include <errno.h>
+int main() { return strlen(strerror(errno)); }
+EOF
+if try $CC $CFLAGS -o $test $test.c; then
+  echo "Checking for strerror... Yes." | tee -a configure.log
+else
+  CFLAGS="${CFLAGS} -DNO_STRERROR"
+  SFLAGS="${SFLAGS} -DNO_STRERROR"
+  echo "Checking for strerror... No." | tee -a configure.log
+fi
+
+# copy clean zconf.h for subsequent edits
 cp -p zconf.h.in zconf.h
 
+echo >> configure.log
+
+# check for unistd.h and save result in zconf.h
 cat > $test.c <<EOF
 #include <unistd.h>
 int main() { return 0; }
 EOF
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
+if try $CC -c $CFLAGS $test.c; then
   sed < zconf.h "/^#ifdef HAVE_UNISTD_H.* may be/s/def HAVE_UNISTD_H\(.*\) may be/ 1\1 was/" > zconf.temp.h
   mv zconf.temp.h zconf.h
-  echo "Checking for unistd.h... Yes."
+  echo "Checking for unistd.h... Yes." | tee -a configure.log
 else
-  echo "Checking for unistd.h... No."
+  echo "Checking for unistd.h... No." | tee -a configure.log
 fi
 
+echo >> configure.log
+
+# check for stdarg.h and save result in zconf.h
+cat > $test.c <<EOF
+#include <stdarg.h>
+int main() { return 0; }
+EOF
+if try $CC -c $CFLAGS $test.c; then
+  sed < zconf.h "/^#ifdef HAVE_STDARG_H.* may be/s/def HAVE_STDARG_H\(.*\) may be/ 1\1 was/" > zconf.temp.h
+  mv zconf.temp.h zconf.h
+  echo "Checking for stdarg.h... Yes." | tee -a configure.log
+else
+  echo "Checking for stdarg.h... No." | tee -a configure.log
+fi
+
+# if the z_ prefix was requested, save that in zconf.h
 if test $zprefix -eq 1; then
   sed < zconf.h "/#ifdef Z_PREFIX.* may be/s/def Z_PREFIX\(.*\) may be/ 1\1 was/" > zconf.temp.h
   mv zconf.temp.h zconf.h
-  echo "Using z_ prefix on all symbols."
+  echo >> configure.log
+  echo "Using z_ prefix on all symbols." | tee -a configure.log
 fi
 
+# if --solo compilation was requested, save that in zconf.h and remove gz stuff from object lists
+if test $solo -eq 1; then
+  sed '/#define ZCONF_H/a\
+#define Z_SOLO
+
+' < zconf.h > zconf.temp.h
+  mv zconf.temp.h zconf.h
+OBJC='$(OBJZ)'
+PIC_OBJC='$(PIC_OBJZ)'
+fi
+
+# if code coverage testing was requested, use older gcc if defined, e.g. "gcc-4.2" on Mac OS X
+if test $cover -eq 1; then
+  CFLAGS="${CFLAGS} -fprofile-arcs -ftest-coverage"
+  if test -n "$GCC_CLASSIC"; then
+    CC=$GCC_CLASSIC
+  fi
+fi
+
+echo >> configure.log
+
+# conduct a series of tests to resolve eight possible cases of using "vs" or "s" printf functions
+# (using stdarg or not), with or without "n" (proving size of buffer), and with or without a
+# return value.  The most secure result is vsnprintf() with a return value.  snprintf() with a
+# return value is secure as well, but then gzprintf() will be limited to 20 arguments.
 cat > $test.c <<EOF
 #include <stdio.h>
 #include <stdarg.h>
 #include "zconf.h"
-
 int main()
 {
 #ifndef STDC
   choke me
 #endif
-
   return 0;
 }
 EOF
+if try $CC -c $CFLAGS $test.c; then
+  echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()." | tee -a configure.log
 
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
-  echo "Checking whether to use vs[n]printf() or s[n]printf()... using vs[n]printf()."
-
+  echo >> configure.log
   cat > $test.c <<EOF
 #include <stdio.h>
 #include <stdarg.h>
-
 int mytest(const char *fmt, ...)
 {
   char buf[20];
   va_list ap;
-
   va_start(ap, fmt);
   vsnprintf(buf, sizeof(buf), fmt, ap);
   va_end(ap);
   return 0;
 }
-
 int main()
 {
   return (mytest("Hello%d\n", 1));
 }
 EOF
+  if try $CC $CFLAGS -o $test $test.c; then
+    echo "Checking for vsnprintf() in stdio.h... Yes." | tee -a configure.log
 
-  if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then
-    echo "Checking for vsnprintf() in stdio.h... Yes."
-
+    echo >> configure.log
     cat >$test.c <<EOF
 #include <stdio.h>
 #include <stdarg.h>
-
 int mytest(const char *fmt, ...)
 {
   int n;
   char buf[20];
   va_list ap;
-
   va_start(ap, fmt);
   n = vsnprintf(buf, sizeof(buf), fmt, ap);
   va_end(ap);
   return n;
 }
-
 int main()
 {
   return (mytest("Hello%d\n", 1));
 }
 EOF
 
-    if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
-      echo "Checking for return value of vsnprintf()... Yes."
+    if try $CC -c $CFLAGS $test.c; then
+      echo "Checking for return value of vsnprintf()... Yes." | tee -a configure.log
     else
       CFLAGS="$CFLAGS -DHAS_vsnprintf_void"
       SFLAGS="$SFLAGS -DHAS_vsnprintf_void"
-      echo "Checking for return value of vsnprintf()... No."
-      echo "  WARNING: apparently vsnprintf() does not return a value. zlib"
-      echo "  can build but will be open to possible string-format security"
-      echo "  vulnerabilities."
+      echo "Checking for return value of vsnprintf()... No." | tee -a configure.log
+      echo "  WARNING: apparently vsnprintf() does not return a value. zlib" | tee -a configure.log
+      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+      echo "  vulnerabilities." | tee -a configure.log
     fi
   else
     CFLAGS="$CFLAGS -DNO_vsnprintf"
     SFLAGS="$SFLAGS -DNO_vsnprintf"
-    echo "Checking for vsnprintf() in stdio.h... No."
-    echo "  WARNING: vsnprintf() not found, falling back to vsprintf(). zlib"
-    echo "  can build but will be open to possible buffer-overflow security"
-    echo "  vulnerabilities."
+    echo "Checking for vsnprintf() in stdio.h... No." | tee -a configure.log
+    echo "  WARNING: vsnprintf() not found, falling back to vsprintf(). zlib" | tee -a configure.log
+    echo "  can build but will be open to possible buffer-overflow security" | tee -a configure.log
+    echo "  vulnerabilities." | tee -a configure.log
 
+    echo >> configure.log
     cat >$test.c <<EOF
 #include <stdio.h>
 #include <stdarg.h>
-
 int mytest(const char *fmt, ...)
 {
   int n;
   char buf[20];
   va_list ap;
-
   va_start(ap, fmt);
   n = vsprintf(buf, fmt, ap);
   va_end(ap);
   return n;
 }
-
 int main()
 {
   return (mytest("Hello%d\n", 1));
 }
 EOF
 
-    if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
-      echo "Checking for return value of vsprintf()... Yes."
+    if try $CC -c $CFLAGS $test.c; then
+      echo "Checking for return value of vsprintf()... Yes." | tee -a configure.log
     else
       CFLAGS="$CFLAGS -DHAS_vsprintf_void"
       SFLAGS="$SFLAGS -DHAS_vsprintf_void"
-      echo "Checking for return value of vsprintf()... No."
-      echo "  WARNING: apparently vsprintf() does not return a value. zlib"
-      echo "  can build but will be open to possible string-format security"
-      echo "  vulnerabilities."
+      echo "Checking for return value of vsprintf()... No." | tee -a configure.log
+      echo "  WARNING: apparently vsprintf() does not return a value. zlib" | tee -a configure.log
+      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+      echo "  vulnerabilities." | tee -a configure.log
     fi
   fi
 else
-  echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()."
+  echo "Checking whether to use vs[n]printf() or s[n]printf()... using s[n]printf()." | tee -a configure.log
 
+  echo >> configure.log
   cat >$test.c <<EOF
 #include <stdio.h>
-
 int mytest()
 {
   char buf[20];
-
   snprintf(buf, sizeof(buf), "%s", "foo");
   return 0;
 }
-
 int main()
 {
   return (mytest());
 }
 EOF
 
-  if test "`($CC $CFLAGS -o $test $test.c) 2>&1`" = ""; then
-    echo "Checking for snprintf() in stdio.h... Yes."
+  if try $CC $CFLAGS -o $test $test.c; then
+    echo "Checking for snprintf() in stdio.h... Yes." | tee -a configure.log
 
+    echo >> configure.log
     cat >$test.c <<EOF
 #include <stdio.h>
-
 int mytest()
 {
   char buf[20];
-
   return snprintf(buf, sizeof(buf), "%s", "foo");
 }
-
 int main()
 {
   return (mytest());
 }
 EOF
 
-    if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
-      echo "Checking for return value of snprintf()... Yes."
+    if try $CC -c $CFLAGS $test.c; then
+      echo "Checking for return value of snprintf()... Yes." | tee -a configure.log
     else
       CFLAGS="$CFLAGS -DHAS_snprintf_void"
       SFLAGS="$SFLAGS -DHAS_snprintf_void"
-      echo "Checking for return value of snprintf()... No."
-      echo "  WARNING: apparently snprintf() does not return a value. zlib"
-      echo "  can build but will be open to possible string-format security"
-      echo "  vulnerabilities."
+      echo "Checking for return value of snprintf()... No." | tee -a configure.log
+      echo "  WARNING: apparently snprintf() does not return a value. zlib" | tee -a configure.log
+      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+      echo "  vulnerabilities." | tee -a configure.log
     fi
   else
     CFLAGS="$CFLAGS -DNO_snprintf"
     SFLAGS="$SFLAGS -DNO_snprintf"
-    echo "Checking for snprintf() in stdio.h... No."
-    echo "  WARNING: snprintf() not found, falling back to sprintf(). zlib"
-    echo "  can build but will be open to possible buffer-overflow security"
-    echo "  vulnerabilities."
+    echo "Checking for snprintf() in stdio.h... No." | tee -a configure.log
+    echo "  WARNING: snprintf() not found, falling back to sprintf(). zlib" | tee -a configure.log
+    echo "  can build but will be open to possible buffer-overflow security" | tee -a configure.log
+    echo "  vulnerabilities." | tee -a configure.log
 
+    echo >> configure.log
     cat >$test.c <<EOF
 #include <stdio.h>
-
 int mytest()
 {
   char buf[20];
-
   return sprintf(buf, "%s", "foo");
 }
-
 int main()
 {
   return (mytest());
 }
 EOF
 
-    if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
-      echo "Checking for return value of sprintf()... Yes."
+    if try $CC -c $CFLAGS $test.c; then
+      echo "Checking for return value of sprintf()... Yes." | tee -a configure.log
     else
       CFLAGS="$CFLAGS -DHAS_sprintf_void"
       SFLAGS="$SFLAGS -DHAS_sprintf_void"
-      echo "Checking for return value of sprintf()... No."
-      echo "  WARNING: apparently sprintf() does not return a value. zlib"
-      echo "  can build but will be open to possible string-format security"
-      echo "  vulnerabilities."
+      echo "Checking for return value of sprintf()... No." | tee -a configure.log
+      echo "  WARNING: apparently sprintf() does not return a value. zlib" | tee -a configure.log
+      echo "  can build but will be open to possible string-format security" | tee -a configure.log
+      echo "  vulnerabilities." | tee -a configure.log
     fi
   fi
 fi
 
-cat >$test.c <<EOF
-#include <errno.h>
-int main() { return 0; }
+# see if we can hide zlib internal symbols that are linked between separate source files
+if test "$gcc" -eq 1; then
+  echo >> configure.log
+  cat > $test.c <<EOF
+#define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
+int ZLIB_INTERNAL foo;
+int main()
+{
+  return 0;
+}
 EOF
-if test "`($CC -c $CFLAGS $test.c) 2>&1`" = ""; then
-  echo "Checking for errno.h... Yes."
-else
-  echo "Checking for errno.h... No."
-  CFLAGS="$CFLAGS -DNO_ERRNO_H"
-  SFLAGS="$SFLAGS -DNO_ERRNO_H"
+  if tryboth $CC -c $CFLAGS $test.c; then
+    CFLAGS="$CFLAGS -DHAVE_HIDDEN"
+    SFLAGS="$SFLAGS -DHAVE_HIDDEN"
+    echo "Checking for attribute(visibility) support... Yes." | tee -a configure.log
+  else
+    echo "Checking for attribute(visibility) support... No." | tee -a configure.log
+  fi
 fi
 
-CPP=${CPP-"$CC -E"}
-case $CFLAGS in
-  *ASMV*)
-    if test "`nm $test.o | grep _hello`" = ""; then
-      CPP="$CPP -DNO_UNDERLINE"
-      echo Checking for underline in external names... No.
-    else
-      echo Checking for underline in external names... Yes.
-    fi ;;
-esac
+# show the results in the log
+echo >> configure.log
+echo ALL = $ALL >> configure.log
+echo AR = $AR >> configure.log
+echo ARFLAGS = $ARFLAGS >> configure.log
+echo CC = $CC >> configure.log
+echo CFLAGS = $CFLAGS >> configure.log
+echo CPP = $CPP >> configure.log
+echo EXE = $EXE >> configure.log
+echo LDCONFIG = $LDCONFIG >> configure.log
+echo LDFLAGS = $LDFLAGS >> configure.log
+echo LDSHARED = $LDSHARED >> configure.log
+echo LDSHAREDLIBC = $LDSHAREDLIBC >> configure.log
+echo OBJC = $OBJC >> configure.log
+echo PIC_OBJC = $PIC_OBJC >> configure.log
+echo RANLIB = $RANLIB >> configure.log
+echo SFLAGS = $SFLAGS >> configure.log
+echo SHAREDLIB = $SHAREDLIB >> configure.log
+echo SHAREDLIBM = $SHAREDLIBM >> configure.log
+echo SHAREDLIBV = $SHAREDLIBV >> configure.log
+echo STATICLIB = $STATICLIB >> configure.log
+echo TEST = $TEST >> configure.log
+echo VER = $VER >> configure.log
+echo Z_U4 = $Z_U4 >> configure.log
+echo exec_prefix = $exec_prefix >> configure.log
+echo includedir = $includedir >> configure.log
+echo libdir = $libdir >> configure.log
+echo mandir = $mandir >> configure.log
+echo prefix = $prefix >> configure.log
+echo sharedlibdir = $sharedlibdir >> configure.log
+echo uname = $uname >> configure.log
 
-rm -f $test.[co] $test $test$shared_ext
-
-# udpate Makefile
+# udpate Makefile with the configure results
 sed < Makefile.in "
 /^CC *=/s#=.*#=$CC#
 /^CFLAGS *=/s#=.*#=$CFLAGS#
@@ -511,18 +784,25 @@ sed < Makefile.in "
 /^SHAREDLIB *=/s#=.*#=$SHAREDLIB#
 /^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV#
 /^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM#
-/^AR *=/s#=.*#=$AR_RC#
+/^AR *=/s#=.*#=$AR#
+/^ARFLAGS *=/s#=.*#=$ARFLAGS#
 /^RANLIB *=/s#=.*#=$RANLIB#
+/^LDCONFIG *=/s#=.*#=$LDCONFIG#
+/^LDSHAREDLIBC *=/s#=.*#=$LDSHAREDLIBC#
 /^EXE *=/s#=.*#=$EXE#
 /^prefix *=/s#=.*#=$prefix#
 /^exec_prefix *=/s#=.*#=$exec_prefix#
 /^libdir *=/s#=.*#=$libdir#
+/^sharedlibdir *=/s#=.*#=$sharedlibdir#
 /^includedir *=/s#=.*#=$includedir#
 /^mandir *=/s#=.*#=$mandir#
+/^OBJC *=/s#=.*#= $OBJC#
+/^PIC_OBJC *=/s#=.*#= $PIC_OBJC#
 /^all: */s#:.*#: $ALL#
 /^test: */s#:.*#: $TEST#
 " > Makefile
 
+# create zlib.pc with the configure results
 sed < zlib.pc.in "
 /^CC *=/s#=.*#=$CC#
 /^CFLAGS *=/s#=.*#=$CFLAGS#
@@ -532,15 +812,20 @@ sed < zlib.pc.in "
 /^SHAREDLIB *=/s#=.*#=$SHAREDLIB#
 /^SHAREDLIBV *=/s#=.*#=$SHAREDLIBV#
 /^SHAREDLIBM *=/s#=.*#=$SHAREDLIBM#
-/^AR *=/s#=.*#=$AR_RC#
+/^AR *=/s#=.*#=$AR#
+/^ARFLAGS *=/s#=.*#=$ARFLAGS#
 /^RANLIB *=/s#=.*#=$RANLIB#
 /^EXE *=/s#=.*#=$EXE#
 /^prefix *=/s#=.*#=$prefix#
 /^exec_prefix *=/s#=.*#=$exec_prefix#
 /^libdir *=/s#=.*#=$libdir#
+/^sharedlibdir *=/s#=.*#=$sharedlibdir#
 /^includedir *=/s#=.*#=$includedir#
 /^mandir *=/s#=.*#=$mandir#
 /^LDFLAGS *=/s#=.*#=$LDFLAGS#
 " | sed -e "
 s/\@VERSION\@/$VER/g;
 " > zlib.pc
+
+# done
+leave 0

contrib/README.contrib

@@ -75,3 +75,4 @@ untgz/      by Pedro A. Aranda Gutierrez <paag@tid.es>
 
 vstudio/    by Gilles Vollant <info@winimage.com>
         Building a minizip-enhanced zlib with Microsoft Visual Studio
+        Includes vc11 from kreuzerkrieg and vc12 from davispuh

contrib/asm686/match.S

@@ -83,17 +83,25 @@
 .text
 
 /* uInt longest_match(deflate_state *deflatestate, IPos curmatch) */
+.cfi_sections	.debug_frame
 
 longest_match:
 
+.cfi_startproc
 /* Save registers that the compiler may be using, and adjust %esp to	*/
 /* make room for our stack frame.					*/
 
 		pushl	%ebp
+		.cfi_def_cfa_offset 8
+		.cfi_offset ebp, -8
 		pushl	%edi
+		.cfi_def_cfa_offset 12
 		pushl	%esi
+		.cfi_def_cfa_offset 16
 		pushl	%ebx
+		.cfi_def_cfa_offset 20
 		subl	$LocalVarsSize, %esp
+		.cfi_def_cfa_offset LocalVarsSize+20
 
 /* Retrieve the function arguments. %ecx will hold cur_match		*/
 /* throughout the entire function. %edx will hold the pointer to the	*/
@@ -108,7 +116,7 @@ longest_match:
 /* if (s->prev_length >= s->good_match) {				*/
 /*     chain_length >>= 2;						*/
 /* }									*/
-
+ 
 		movl	dsPrevLen(%edx), %eax
 		movl	dsGoodMatch(%edx), %ebx
 		cmpl	%ebx, %eax
@@ -336,8 +344,14 @@ LookaheadRet:
 /* Restore the stack and return from whence we came.			*/
 
 		addl	$LocalVarsSize, %esp
+		.cfi_def_cfa_offset 20
 		popl	%ebx
+		.cfi_def_cfa_offset 16
 		popl	%esi
+		.cfi_def_cfa_offset 12
 		popl	%edi
+		.cfi_def_cfa_offset 8
 		popl	%ebp
+		.cfi_def_cfa_offset 4
+.cfi_endproc
 match_init:	ret

contrib/blast/blast.c

@@ -1,7 +1,7 @@
 /* blast.c
- * Copyright (C) 2003 Mark Adler
+ * Copyright (C) 2003, 2012 Mark Adler
  * For conditions of distribution and use, see copyright notice in blast.h
- * version 1.1, 16 Feb 2003
+ * version 1.2, 24 Oct 2012
  *
  * blast.c decompresses data compressed by the PKWare Compression Library.
  * This function provides functionality similar to the explode() function of
@@ -22,6 +22,8 @@
  *
  * 1.0  12 Feb 2003     - First version
  * 1.1  16 Feb 2003     - Fixed distance check for > 4 GB uncompressed data
+ * 1.2  24 Oct 2012     - Add note about using binary mode in stdio
+ *                      - Fix comparisons of differently signed integers
  */
 
 #include <setjmp.h>             /* for setjmp(), longjmp(), and jmp_buf */
@@ -279,7 +281,7 @@ local int decomp(struct state *s)
     int dict;           /* log2(dictionary size) - 6 */
     int symbol;         /* decoded symbol, extra bits for distance */
     int len;            /* length for copy */
-    int dist;           /* distance for copy */
+    unsigned dist;      /* distance for copy */
     int copy;           /* copy counter */
     unsigned char *from, *to;   /* copy pointers */
     static int virgin = 1;                              /* build tables once */

contrib/blast/blast.h

@@ -1,6 +1,6 @@
 /* blast.h -- interface for blast.c
-  Copyright (C) 2003 Mark Adler
-  version 1.1, 16 Feb 2003
+  Copyright (C) 2003, 2012 Mark Adler
+  version 1.2, 24 Oct 2012
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the author be held liable for any damages
@@ -28,6 +28,10 @@
  * that library.  (Note: PKWare overused the "implode" verb, and the format
  * used by their library implode() function is completely different and
  * incompatible with the implode compression method supported by PKZIP.)
+ *
+ * The binary mode for stdio functions should be used to assure that the
+ * compressed data is not corrupted when read or written.  For example:
+ * fopen(..., "rb") and fopen(..., "wb").
  */
 
 

contrib/delphi/ZLib.pas

@@ -152,7 +152,7 @@ procedure DecompressToUserBuf(const InBuf: Pointer; InBytes: Integer;
   const OutBuf: Pointer; BufSize: Integer);
 
 const
-  zlib_version = '1.2.4';
+  zlib_version = '1.2.8';
 
 type
   EZlibError = class(Exception);

contrib/delphi/zlibd32.mak

@@ -63,9 +63,9 @@ uncompr.obj: uncompr.c zlib.h zconf.h
 
 zutil.obj: zutil.c zutil.h zlib.h zconf.h
 
-example.obj: example.c zlib.h zconf.h
+example.obj: test/example.c zlib.h zconf.h
 
-minigzip.obj: minigzip.c zlib.h zconf.h
+minigzip.obj: test/minigzip.c zlib.h zconf.h
 
 
 # For the sake of the old Borland make,

contrib/dotzlib/DotZLib/UnitTests.cs

@@ -1,5 +1,5 @@
 //
-// © Copyright Henrik Ravn 2004
+// © Copyright Henrik Ravn 2004
 //
 // Use, modification and distribution are subject to the Boost Software License, Version 1.0.
 // (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -156,7 +156,7 @@ namespace DotZLibTests
         public void Info_Version()
         {
             Info info = new Info();
-            Assert.AreEqual("1.2.4", Info.Version);
+            Assert.AreEqual("1.2.8", Info.Version);
             Assert.AreEqual(32, info.SizeOfUInt);
             Assert.AreEqual(32, info.SizeOfULong);
             Assert.AreEqual(32, info.SizeOfPointer);
@@ -271,4 +271,4 @@ namespace DotZLibTests
 	}
 }
 
-#endif
+#endif

contrib/infback9/infback9.c

@@ -222,14 +222,13 @@ out_func out;
 void FAR *out_desc;
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *next;    /* next input */
+    z_const unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have;              /* available input */
     unsigned long left;         /* available output */
     inflate_mode mode;          /* current inflate mode */
     int lastblock;              /* true if processing last block */
     int wrap;                   /* true if the window has wrapped */
-    unsigned long write;        /* window write index */
     unsigned char FAR *window;  /* allocated sliding window, if needed */
     unsigned long hold;         /* bit buffer */
     unsigned bits;              /* bits in bit buffer */
@@ -259,7 +258,6 @@ void FAR *out_desc;
     strm->msg = Z_NULL;
     mode = TYPE;
     lastblock = 0;
-    write = 0;
     wrap = 0;
     window = state->window;
     next = strm->next_in;

contrib/infback9/inftree9.c

@@ -1,5 +1,5 @@
 /* inftree9.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-2010 Mark Adler
+ * Copyright (C) 1995-2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -9,7 +9,7 @@
 #define MAXBITS 15
 
 const char inflate9_copyright[] =
-   " inflate9 1.2.4 Copyright 1995-2010 Mark Adler ";
+   " inflate9 1.2.8 Copyright 1995-2013 Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
@@ -64,7 +64,7 @@ unsigned short FAR *work;
     static const unsigned short lext[31] = { /* Length codes 257..285 extra */
         128, 128, 128, 128, 128, 128, 128, 128, 129, 129, 129, 129,
         130, 130, 130, 130, 131, 131, 131, 131, 132, 132, 132, 132,
-        133, 133, 133, 133, 144, 198, 71};
+        133, 133, 133, 133, 144, 72, 78};
     static const unsigned short dbase[32] = { /* Distance codes 0..31 base */
         1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49,
         65, 97, 129, 193, 257, 385, 513, 769, 1025, 1537, 2049, 3073,

contrib/masmx64/readme.txt

@@ -12,7 +12,10 @@ inffasx64.asm and inffas8664.c were written by Chris Anderson, by optimizing
 
 Use instructions
 ----------------
-Copy these files into the zlib source directory.
+Assemble the .asm files using MASM and put the object files into the zlib source
+directory.  You can also get object files here:
+
+     http://www.winimage.com/zLibDll/zlib124_masm_obj.zip
 
 define ASMV and ASMINF in your project. Include inffas8664.c in your source tree,
 and inffasx64.obj and gvmat64.obj as object to link.

contrib/masmx86/inffas32.asm

@@ -73,11 +73,6 @@ inflate_fast_use_mmx:
 
 
 _TEXT			segment
-PUBLIC _inflate_fast
-
-ALIGN 4
-_inflate_fast:
-	jmp inflate_fast_entry
 
 
 
@@ -163,7 +158,8 @@ distbits_state	 equ	(76+4+zlib1222sup)	;/* state->distbits */
 ;SECTION .text
 
 ALIGN 4
-inflate_fast_entry:
+_inflate_fast proc near
+.FPO (16, 4, 0, 0, 1, 0)
 	push  edi
 	push  esi
 	push  ebp
@@ -1078,6 +1074,7 @@ L_done:
 	pop  esi
 	pop  edi
 	ret
+_inflate_fast endp
 
 _TEXT	ends
 end

contrib/masmx86/match686.asm

@@ -195,6 +195,7 @@ dsNiceMatch equ 136+zlib1222add
     ELSE
     _longest_match      proc near
     ENDIF
+.FPO (9, 4, 0, 0, 1, 0)
 
 ;;; Save registers that the compiler may be using, and adjust esp to
 ;;; make room for our stack frame.

contrib/masmx86/readme.txt

@@ -1,21 +1,27 @@
-
-Summary
--------
-This directory contains ASM implementations of the functions
-longest_match() and inflate_fast().
-
-
-Use instructions
-----------------
-Copy these files into the zlib source directory, then run the
-appropriate makefile, as suggested below.
-
-
-Build instructions
-------------------
-* With Microsoft C and MASM:
-nmake -f win32/Makefile.msc LOC="-DASMV -DASMINF" OBJA="match686.obj inffas32.obj"
-
-* With Borland C and TASM:
-make -f win32/Makefile.bor LOCAL_ZLIB="-DASMV -DASMINF" OBJA="match686.obj inffas32.obj" OBJPA="+match686c.obj+match686.obj+inffas32.obj"
-
+
+Summary
+-------
+This directory contains ASM implementations of the functions
+longest_match() and inflate_fast().
+
+
+Use instructions
+----------------
+Assemble using MASM, and copy the object files into the zlib source
+directory, then run the appropriate makefile, as suggested below.  You can
+donwload MASM from here:
+
+    http://www.microsoft.com/downloads/details.aspx?displaylang=en&FamilyID=7a1c9da0-0510-44a2-b042-7ef370530c64
+
+You can also get objects files here:
+
+    http://www.winimage.com/zLibDll/zlib124_masm_obj.zip
+
+Build instructions
+------------------
+* With Microsoft C and MASM:
+nmake -f win32/Makefile.msc LOC="-DASMV -DASMINF" OBJA="match686.obj inffas32.obj"
+
+* With Borland C and TASM:
+make -f win32/Makefile.bor LOCAL_ZLIB="-DASMV -DASMINF" OBJA="match686.obj inffas32.obj" OBJPA="+match686c.obj+match686.obj+inffas32.obj"
+

contrib/minizip/Makefile.am

@@ -0,0 +1,45 @@
+lib_LTLIBRARIES = libminizip.la
+
+if COND_DEMOS
+bin_PROGRAMS = miniunzip minizip
+endif
+
+zlib_top_srcdir = $(top_srcdir)/../..
+zlib_top_builddir = $(top_builddir)/../..
+
+AM_CPPFLAGS = -I$(zlib_top_srcdir)
+AM_LDFLAGS = -L$(zlib_top_builddir)
+
+if WIN32
+iowin32_src = iowin32.c
+iowin32_h = iowin32.h
+endif
+
+libminizip_la_SOURCES = \
+	ioapi.c \
+	mztools.c \
+	unzip.c \
+	zip.c \
+	${iowin32_src}
+
+libminizip_la_LDFLAGS = $(AM_LDFLAGS) -version-info 1:0:0 -lz
+
+minizip_includedir = $(includedir)/minizip
+minizip_include_HEADERS = \
+	crypt.h \
+	ioapi.h \
+	mztools.h \
+	unzip.h \
+	zip.h \
+	${iowin32_h}
+
+pkgconfigdir = $(libdir)/pkgconfig
+pkgconfig_DATA = minizip.pc
+
+EXTRA_PROGRAMS = miniunzip minizip
+
+miniunzip_SOURCES = miniunz.c
+miniunzip_LDADD = libminizip.la
+
+minizip_SOURCES = minizip.c
+minizip_LDADD = libminizip.la -lz

contrib/minizip/configure.ac

@@ -0,0 +1,32 @@
+#                                               -*- Autoconf -*-
+# Process this file with autoconf to produce a configure script.
+
+AC_INIT([minizip], [1.2.8], [bugzilla.redhat.com])
+AC_CONFIG_SRCDIR([minizip.c])
+AM_INIT_AUTOMAKE([foreign])
+LT_INIT
+
+AC_MSG_CHECKING([whether to build example programs])
+AC_ARG_ENABLE([demos], AC_HELP_STRING([--enable-demos], [build example programs]))
+AM_CONDITIONAL([COND_DEMOS], [test "$enable_demos" = yes])
+if test "$enable_demos" = yes
+then
+	AC_MSG_RESULT([yes])
+else
+	AC_MSG_RESULT([no])
+fi
+
+case "${host}" in
+	*-mingw* | mingw*)
+		WIN32="yes"
+		;;
+	*)
+		;;
+esac
+AM_CONDITIONAL([WIN32], [test "${WIN32}" = "yes"])
+
+
+AC_SUBST([HAVE_UNISTD_H], [0])
+AC_CHECK_HEADER([unistd.h], [HAVE_UNISTD_H=1], [])
+AC_CONFIG_FILES([Makefile minizip.pc])
+AC_OUTPUT

contrib/minizip/crypt.h

@@ -32,7 +32,7 @@
 /***********************************************************************
  * Return the next byte in the pseudo-random sequence
  */
-static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab)
+static int decrypt_byte(unsigned long* pkeys, const z_crc_t* pcrc_32_tab)
 {
     unsigned temp;  /* POTENTIAL BUG:  temp*(temp^1) may overflow in an
                      * unpredictable manner on 16-bit systems; not a problem
@@ -45,7 +45,7 @@ static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab)
 /***********************************************************************
  * Update the encryption keys with the next byte of plain text
  */
-static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c)
+static int update_keys(unsigned long* pkeys,const z_crc_t* pcrc_32_tab,int c)
 {
     (*(pkeys+0)) = CRC32((*(pkeys+0)), c);
     (*(pkeys+1)) += (*(pkeys+0)) & 0xff;
@@ -62,7 +62,7 @@ static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int
  * Initialize the encryption keys and the random header according to
  * the given password.
  */
-static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab)
+static void init_keys(const char* passwd,unsigned long* pkeys,const z_crc_t* pcrc_32_tab)
 {
     *(pkeys+0) = 305419896L;
     *(pkeys+1) = 591751049L;
@@ -91,7 +91,7 @@ static int crypthead(const char* passwd,      /* password string */
                      unsigned char* buf,      /* where to write header */
                      int bufSize,
                      unsigned long* pkeys,
-                     const unsigned long* pcrc_32_tab,
+                     const z_crc_t* pcrc_32_tab,
                      unsigned long crcForCrypting)
 {
     int n;                       /* index in random header */

contrib/minizip/ioapi.c

@@ -10,10 +10,32 @@
 
 */
 
-#if (defined(_WIN32))
+#if defined(_WIN32) && (!(defined(_CRT_SECURE_NO_WARNINGS)))
         #define _CRT_SECURE_NO_WARNINGS
 #endif
 
+#if defined(__APPLE__) || defined(IOAPI_NO_64)
+// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+	#ifdef __TARGET_OS__Web
+		#define FTELLO_FUNC(stream) ftell(stream)
+		#define FSEEKO_FUNC(stream, offset, origin) fseek(stream, offset, origin)
+	#else
+		#define FTELLO_FUNC(stream) ftello(stream)
+		#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+	#endif
+#else
+#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+	#ifdef __TARGET_OS__Web
+		#define FTELLO_FUNC(stream) ftell64(stream)
+		#define FSEEKO_FUNC(stream, offset, origin) fseek64(stream, offset, origin)
+	#else
+		#define FTELLO_FUNC(stream) ftello64(stream)
+		#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+	#endif
+#endif
+
+
 #include "ioapi.h"
 
 voidpf call_zopen64 (const zlib_filefunc64_32_def* pfilefunc,const void*filename,int mode)
@@ -47,7 +69,7 @@ ZPOS64_T call_ztell64 (const zlib_filefunc64_32_def* pfilefunc,voidpf filestream
     else
     {
         uLong tell_uLong = (*(pfilefunc->ztell32_file))(pfilefunc->zfile_func64.opaque,filestream);
-        if ((tell_uLong) == ((uLong)-1))
+        if ((tell_uLong) == MAXU32)
             return (ZPOS64_T)-1;
         else
             return tell_uLong;
@@ -112,7 +134,7 @@ static voidpf ZCALLBACK fopen64_file_func (voidpf opaque, const void* filename,
         mode_fopen = "wb";
 
     if ((filename!=NULL) && (mode_fopen != NULL))
-        file = fopen64((const char*)filename, mode_fopen);
+        file = FOPEN_FUNC((const char*)filename, mode_fopen);
     return file;
 }
 
@@ -142,7 +164,7 @@ static long ZCALLBACK ftell_file_func (voidpf opaque, voidpf stream)
 static ZPOS64_T ZCALLBACK ftell64_file_func (voidpf opaque, voidpf stream)
 {
     ZPOS64_T ret;
-    ret = ftello64((FILE *)stream);
+    ret = FTELLO_FUNC((FILE *)stream);
     return ret;
 }
 
@@ -188,7 +210,7 @@ static long ZCALLBACK fseek64_file_func (voidpf  opaque, voidpf stream, ZPOS64_T
     }
     ret = 0;
 
-    if(fseeko64((FILE *)stream, offset, fseek_origin) != 0)
+    if(FSEEKO_FUNC((FILE *)stream, offset, fseek_origin) != 0)
                         ret = -1;
 
     return ret;

contrib/minizip/ioapi.h

@@ -21,7 +21,7 @@
 #ifndef _ZLIBIOAPI64_H
 #define _ZLIBIOAPI64_H
 
-#if (!defined(_WIN32)) && (!defined(WIN32))
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
 
   // Linux needs this to support file operation on files larger then 4+GB
   // But might need better if/def to select just the platforms that needs them.
@@ -38,6 +38,7 @@
         #ifndef _FILE_OFFSET_BIT
                 #define _FILE_OFFSET_BIT 64
         #endif
+
 #endif
 
 #include <stdio.h>
@@ -49,6 +50,11 @@
 #define ftello64 ftell
 #define fseeko64 fseek
 #else
+#ifdef __FreeBSD__
+#define fopen64 fopen
+#define ftello64 ftello
+#define fseeko64 fseeko
+#endif
 #ifdef _MSC_VER
  #define fopen64 fopen
  #if (_MSC_VER >= 1400) && (!(defined(NO_MSCVER_FILE64_FUNC)))
@@ -85,6 +91,8 @@ typedef  64BIT_INT_CUSTOM_TYPE ZPOS64_T;
 typedef uint64_t ZPOS64_T;
 #else
 
+/* Maximum unsigned 32-bit value used as placeholder for zip64 */
+#define MAXU32 0xffffffff
 
 #if defined(_MSC_VER) || defined(__BORLANDC__)
 typedef unsigned __int64 ZPOS64_T;

contrib/minizip/iowin32.c

@@ -25,6 +25,13 @@
 #define INVALID_SET_FILE_POINTER ((DWORD)-1)
 #endif
 
+
+#if defined(WINAPI_FAMILY_PARTITION) && (!(defined(IOWIN32_USING_WINRT_API)))
+#if WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_APP)
+#define IOWIN32_USING_WINRT_API 1
+#endif
+#endif
+
 voidpf  ZCALLBACK win32_open_file_func  OF((voidpf opaque, const char* filename, int mode));
 uLong   ZCALLBACK win32_read_file_func  OF((voidpf opaque, voidpf stream, void* buf, uLong size));
 uLong   ZCALLBACK win32_write_file_func OF((voidpf opaque, voidpf stream, const void* buf, uLong size));
@@ -93,8 +100,22 @@ voidpf ZCALLBACK win32_open64_file_func (voidpf opaque,const void* filename,int
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+#ifdef UNICODE
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+        hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+#else
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+    {
+        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
+        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
+        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+    }
+#endif
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -108,8 +129,17 @@ voidpf ZCALLBACK win32_open64_file_funcA (voidpf opaque,const void* filename,int
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+    {
+        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
+        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
+        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+    }
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFileA((LPCSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -123,8 +153,13 @@ voidpf ZCALLBACK win32_open64_file_funcW (voidpf opaque,const void* filename,int
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+        hFile = CreateFile2((LPCWSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition,NULL);
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFileW((LPCWSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -138,8 +173,22 @@ voidpf ZCALLBACK win32_open_file_func (voidpf opaque,const char* filename,int mo
 
     win32_translate_open_mode(mode,&dwDesiredAccess,&dwCreationDisposition,&dwShareMode,&dwFlagsAndAttributes);
 
+#ifdef IOWIN32_USING_WINRT_API
+#ifdef UNICODE
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+        hFile = CreateFile2((LPCTSTR)filename, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+#else
+    if ((filename!=NULL) && (dwDesiredAccess != 0))
+    {
+        WCHAR filenameW[FILENAME_MAX + 0x200 + 1];
+        MultiByteToWideChar(CP_ACP,0,(const char*)filename,-1,filenameW,FILENAME_MAX + 0x200);
+        hFile = CreateFile2(filenameW, dwDesiredAccess, dwShareMode, dwCreationDisposition, NULL);
+    }
+#endif
+#else
     if ((filename!=NULL) && (dwDesiredAccess != 0))
         hFile = CreateFile((LPCTSTR)filename, dwDesiredAccess, dwShareMode, NULL, dwCreationDisposition, dwFlagsAndAttributes, NULL);
+#endif
 
     return win32_build_iowin(hFile);
 }
@@ -188,6 +237,26 @@ uLong ZCALLBACK win32_write_file_func (voidpf opaque,voidpf stream,const void* b
     return ret;
 }
 
+static BOOL MySetFilePointerEx(HANDLE hFile, LARGE_INTEGER pos, LARGE_INTEGER *newPos,  DWORD dwMoveMethod)
+{
+#ifdef IOWIN32_USING_WINRT_API
+    return SetFilePointerEx(hFile, pos, newPos, dwMoveMethod);
+#else
+    LONG lHigh = pos.HighPart;
+    DWORD dwNewPos = SetFilePointer(hFile, pos.LowPart, &lHigh, FILE_CURRENT);
+    BOOL fOk = TRUE;
+    if (dwNewPos == 0xFFFFFFFF)
+        if (GetLastError() != NO_ERROR)
+            fOk = FALSE;
+    if ((newPos != NULL) && (fOk))
+    {
+        newPos->LowPart = dwNewPos;
+        newPos->HighPart = lHigh;
+    }
+    return fOk;
+#endif
+}
+
 long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
 {
     long ret=-1;
@@ -196,15 +265,17 @@ long ZCALLBACK win32_tell_file_func (voidpf opaque,voidpf stream)
         hFile = ((WIN32FILE_IOWIN*)stream) -> hf;
     if (hFile != NULL)
     {
-        DWORD dwSet = SetFilePointer(hFile, 0, NULL, FILE_CURRENT);
-        if (dwSet == INVALID_SET_FILE_POINTER)
+        LARGE_INTEGER pos;
+        pos.QuadPart = 0;
+
+        if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
             ret = -1;
         }
         else
-            ret=(long)dwSet;
+            ret=(long)pos.LowPart;
     }
     return ret;
 }
@@ -218,17 +289,17 @@ ZPOS64_T ZCALLBACK win32_tell64_file_func (voidpf opaque, voidpf stream)
 
     if (hFile)
     {
-        LARGE_INTEGER li;
-        li.QuadPart = 0;
-        li.u.LowPart = SetFilePointer(hFile, li.u.LowPart, &li.u.HighPart, FILE_CURRENT);
-        if ( (li.LowPart == 0xFFFFFFFF) && (GetLastError() != NO_ERROR))
+        LARGE_INTEGER pos;
+        pos.QuadPart = 0;
+
+        if (!MySetFilePointerEx(hFile, pos, &pos, FILE_CURRENT))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
             ret = (ZPOS64_T)-1;
         }
         else
-            ret=li.QuadPart;
+            ret=pos.QuadPart;
     }
     return ret;
 }
@@ -258,8 +329,9 @@ long ZCALLBACK win32_seek_file_func (voidpf opaque,voidpf stream,uLong offset,in
 
     if (hFile != NULL)
     {
-        DWORD dwSet = SetFilePointer(hFile, offset, NULL, dwMoveMethod);
-        if (dwSet == INVALID_SET_FILE_POINTER)
+        LARGE_INTEGER pos;
+        pos.QuadPart = offset;
+        if (!MySetFilePointerEx(hFile, pos, NULL, dwMoveMethod))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;
@@ -296,9 +368,9 @@ long ZCALLBACK win32_seek64_file_func (voidpf opaque, voidpf stream,ZPOS64_T off
 
     if (hFile)
     {
-        LARGE_INTEGER* li = (LARGE_INTEGER*)&offset;
-        DWORD dwSet = SetFilePointer(hFile, li->u.LowPart, &li->u.HighPart, dwMoveMethod);
-        if (dwSet == INVALID_SET_FILE_POINTER)
+        LARGE_INTEGER pos;
+        pos.QuadPart = offset;
+        if (!MySetFilePointerEx(hFile, pos, NULL, FILE_CURRENT))
         {
             DWORD dwErr = GetLastError();
             ((WIN32FILE_IOWIN*)stream) -> error=(int)dwErr;

contrib/minizip/miniunz.c

@@ -12,7 +12,7 @@
          Copyright (C) 2009-2010 Mathias Svensson ( http://result42.com )
 */
 
-#ifndef _WIN32
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
         #ifndef __USE_FILE_OFFSET64
                 #define __USE_FILE_OFFSET64
         #endif
@@ -27,6 +27,18 @@
         #endif
 #endif
 
+#ifdef __APPLE__
+// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+#define FTELLO_FUNC(stream) ftello(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+#else
+#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+#define FTELLO_FUNC(stream) ftello64(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+#endif
+
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -34,14 +46,15 @@
 #include <errno.h>
 #include <fcntl.h>
 
-#ifdef unix
-# include <unistd.h>
-# include <utime.h>
-#else
+#ifdef _WIN32
 # include <direct.h>
 # include <io.h>
+#else
+# include <unistd.h>
+# include <utime.h>
 #endif
 
+
 #include "unzip.h"
 
 #define CASESENSITIVITY (0)
@@ -84,7 +97,7 @@ void change_file_date(filename,dosdate,tmu_date)
   SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
   CloseHandle(hFile);
 #else
-#ifdef unix
+#ifdef unix || __APPLE__
   struct utimbuf ut;
   struct tm newdate;
   newdate.tm_sec = tmu_date.tm_sec;
@@ -114,10 +127,10 @@ int mymkdir(dirname)
     int ret=0;
 #ifdef _WIN32
     ret = _mkdir(dirname);
-#else
-#ifdef unix
+#elif unix
+    ret = mkdir (dirname,0775);
+#elif __APPLE__
     ret = mkdir (dirname,0775);
-#endif
 #endif
     return ret;
 }
@@ -364,7 +377,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
         {
             char rep=0;
             FILE* ftestexist;
-            ftestexist = fopen64(write_filename,"rb");
+            ftestexist = FOPEN_FUNC(write_filename,"rb");
             if (ftestexist!=NULL)
             {
                 fclose(ftestexist);
@@ -395,8 +408,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
 
         if ((skip==0) && (err==UNZ_OK))
         {
-            fout=fopen64(write_filename,"wb");
-
+            fout=FOPEN_FUNC(write_filename,"wb");
             /* some zipfile don't contain directory alone before file */
             if ((fout==NULL) && ((*popt_extract_without_path)==0) &&
                                 (filename_withoutpath!=(char*)filename_inzip))
@@ -405,7 +417,7 @@ int do_extract_currentfile(uf,popt_extract_without_path,popt_overwrite,password)
                 *(filename_withoutpath-1)='\0';
                 makedir(write_filename);
                 *(filename_withoutpath-1)=c;
-                fout=fopen64(write_filename,"wb");
+                fout=FOPEN_FUNC(write_filename,"wb");
             }
 
             if (fout==NULL)
@@ -518,7 +530,7 @@ int do_extract_onefile(uf,filename,opt_extract_without_path,opt_overwrite,passwo
         return 1;
 }
 
-
+#if MINIZIP_ENABLE_MAIN
 int main(argc,argv)
     int argc;
     char *argv[];
@@ -646,3 +658,6 @@ int main(argc,argv)
 
     return ret_value;
 }
+
+#endif
+

contrib/minizip/miniunzip.1

@@ -0,0 +1,63 @@
+.\"                                      Hey, EMACS: -*- nroff -*-
+.TH miniunzip 1 "Nov 7, 2001"
+.\" Please adjust this date whenever revising the manpage.
+.\"
+.\" Some roff macros, for reference:
+.\" .nh        disable hyphenation
+.\" .hy        enable hyphenation
+.\" .ad l      left justify
+.\" .ad b      justify to both left and right margins
+.\" .nf        disable filling
+.\" .fi        enable filling
+.\" .br        insert line break
+.\" .sp <n>    insert n+1 empty lines
+.\" for manpage-specific macros, see man(7)
+.SH NAME
+miniunzip - uncompress and examine ZIP archives
+.SH SYNOPSIS
+.B miniunzip
+.RI [ -exvlo ]
+zipfile [ files_to_extract ] [-d tempdir]
+.SH DESCRIPTION
+.B minizip
+is a simple tool which allows the extraction of compressed file
+archives in the ZIP format used by the MS-DOS utility PKZIP.  It was
+written as a demonstration of the
+.IR zlib (3)
+library and therefore lack many of the features of the
+.IR unzip (1)
+program.
+.SH OPTIONS
+A number of options are supported.  With the exception of
+.BI \-d\  tempdir
+these must be supplied before any
+other arguments and are:
+.TP
+.BI \-l\ ,\ \-\-v
+List the files in the archive without extracting them.
+.TP
+.B \-o
+Overwrite files without prompting for confirmation.
+.TP
+.B \-x
+Extract files (default).
+.PP
+The
+.I zipfile
+argument is the name of the archive to process. The next argument can be used
+to specify a single file to extract from the archive.
+
+Lastly, the following option can be specified at the end of the command-line:
+.TP
+.BI \-d\  tempdir
+Extract the archive in the directory
+.I tempdir
+rather than the current directory.
+.SH SEE ALSO
+.BR minizip (1),
+.BR zlib (3),
+.BR unzip (1).
+.SH AUTHOR
+This program was written by Gilles Vollant.  This manual page was
+written by Mark Brown <broonie@sirena.org.uk>. The -d tempdir option
+was added by Dirk Eddelbuettel <edd@debian.org>.

contrib/minizip/minizip.1

@@ -0,0 +1,46 @@
+.\"                                      Hey, EMACS: -*- nroff -*-
+.TH minizip 1 "May 2, 2001"
+.\" Please adjust this date whenever revising the manpage.
+.\"
+.\" Some roff macros, for reference:
+.\" .nh        disable hyphenation
+.\" .hy        enable hyphenation
+.\" .ad l      left justify
+.\" .ad b      justify to both left and right margins
+.\" .nf        disable filling
+.\" .fi        enable filling
+.\" .br        insert line break
+.\" .sp <n>    insert n+1 empty lines
+.\" for manpage-specific macros, see man(7)
+.SH NAME
+minizip - create ZIP archives
+.SH SYNOPSIS
+.B minizip
+.RI [ -o ]
+zipfile [ " files" ... ]
+.SH DESCRIPTION
+.B minizip
+is a simple tool which allows the creation of compressed file archives
+in the ZIP format used by the MS-DOS utility PKZIP.  It was written as
+a demonstration of the
+.IR zlib (3)
+library and therefore lack many of the features of the
+.IR zip (1)
+program.
+.SH OPTIONS
+The first argument supplied is the name of the ZIP archive to create or
+.RI -o
+in which case it is ignored and the second argument treated as the
+name of the ZIP file.  If the ZIP file already exists it will be
+overwritten.
+.PP
+Subsequent arguments specify a list of files to place in the ZIP
+archive.  If none are specified then an empty archive will be created.
+.SH SEE ALSO
+.BR miniunzip (1),
+.BR zlib (3),
+.BR zip (1).
+.SH AUTHOR
+This program was written by Gilles Vollant.  This manual page was
+written by Mark Brown <broonie@sirena.org.uk>.
+

contrib/minizip/minizip.c

@@ -13,7 +13,7 @@
 */
 
 
-#ifndef _WIN32
+#if (!defined(_WIN32)) && (!defined(WIN32)) && (!defined(__APPLE__))
         #ifndef __USE_FILE_OFFSET64
                 #define __USE_FILE_OFFSET64
         #endif
@@ -28,6 +28,19 @@
         #endif
 #endif
 
+#ifdef __APPLE__
+// In darwin and perhaps other BSD variants off_t is a 64 bit value, hence no need for specific 64 bit functions
+#define FOPEN_FUNC(filename, mode) fopen(filename, mode)
+#define FTELLO_FUNC(stream) ftello(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko(stream, offset, origin)
+#else
+#define FOPEN_FUNC(filename, mode) fopen64(filename, mode)
+#define FTELLO_FUNC(stream) ftello64(stream)
+#define FSEEKO_FUNC(stream, offset, origin) fseeko64(stream, offset, origin)
+#endif
+
+
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -35,14 +48,14 @@
 #include <errno.h>
 #include <fcntl.h>
 
-#ifdef unix
+#ifdef _WIN32
+# include <direct.h>
+# include <io.h>
+#else
 # include <unistd.h>
 # include <utime.h>
 # include <sys/types.h>
 # include <sys/stat.h>
-#else
-# include <direct.h>
-# include <io.h>
 #endif
 
 #include "zip.h"
@@ -81,7 +94,7 @@ uLong filetime(f, tmzip, dt)
   return ret;
 }
 #else
-#ifdef unix
+#ifdef unix || __APPLE__
 uLong filetime(f, tmzip, dt)
     char *f;               /* name of file to get info on */
     tm_zip *tmzip;         /* return value: access, modific. and creation times */
@@ -142,7 +155,7 @@ int check_exist_file(filename)
 {
     FILE* ftestexist;
     int ret = 1;
-    ftestexist = fopen64(filename,"rb");
+    ftestexist = FOPEN_FUNC(filename,"rb");
     if (ftestexist==NULL)
         ret = 0;
     else
@@ -173,7 +186,8 @@ int getFileCrc(const char* filenameinzip,void*buf,unsigned long size_buf,unsigne
 {
    unsigned long calculate_crc=0;
    int err=ZIP_OK;
-   FILE * fin = fopen64(filenameinzip,"rb");
+   FILE * fin = FOPEN_FUNC(filenameinzip,"rb");
+
    unsigned long size_read = 0;
    unsigned long total_read = 0;
    if (fin==NULL)
@@ -211,13 +225,12 @@ int isLargeFile(const char* filename)
 {
   int largeFile = 0;
   ZPOS64_T pos = 0;
-  FILE* pFile = fopen64(filename, "rb");
+  FILE* pFile = FOPEN_FUNC(filename, "rb");
 
   if(pFile != NULL)
   {
-    int n = fseeko64(pFile, 0, SEEK_END);
-
-    pos = ftello64(pFile);
+    int n = FSEEKO_FUNC(pFile, 0, SEEK_END);
+    pos = FTELLO_FUNC(pFile);
 
                 printf("File : %s is %lld bytes\n", filename, pos);
 
@@ -447,7 +460,7 @@ int main(argc,argv)
                     printf("error in opening %s in zipfile\n",filenameinzip);
                 else
                 {
-                    fin = fopen64(filenameinzip,"rb");
+                    fin = FOPEN_FUNC(filenameinzip,"rb");
                     if (fin==NULL)
                     {
                         err=ZIP_ERRNO;

contrib/minizip/minizip.pc.in

@@ -0,0 +1,12 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@/minizip
+
+Name: minizip
+Description: Minizip zip file manipulation library
+Requires:
+Version: @PACKAGE_VERSION@
+Libs: -L${libdir} -lminizip
+Libs.private: -lz
+Cflags: -I${includedir}

contrib/minizip/mztools.c

@@ -42,7 +42,7 @@ uLong* bytesRecovered;
     int entries = 0;
     uLong totalBytes = 0;
     char header[30];
-    char filename[256];
+    char filename[1024];
     char extra[1024];
     int offset = 0;
     int offsetCD = 0;
@@ -73,9 +73,14 @@ uLong* bytesRecovered;
 
         /* Filename */
         if (fnsize > 0) {
-          if (fread(filename, 1, fnsize, fpZip) == fnsize) {
-            if (fwrite(filename, 1, fnsize, fpOut) == fnsize) {
-              offset += fnsize;
+          if (fnsize < sizeof(filename)) {
+            if (fread(filename, 1, fnsize, fpZip) == fnsize) {
+                if (fwrite(filename, 1, fnsize, fpOut) == fnsize) {
+                offset += fnsize;
+              } else {
+                err = Z_ERRNO;
+                break;
+              }
             } else {
               err = Z_ERRNO;
               break;
@@ -91,9 +96,14 @@ uLong* bytesRecovered;
 
         /* Extra field */
         if (extsize > 0) {
-          if (fread(extra, 1, extsize, fpZip) == extsize) {
-            if (fwrite(extra, 1, extsize, fpOut) == extsize) {
-              offset += extsize;
+          if (extsize < sizeof(extra)) {
+            if (fread(extra, 1, extsize, fpZip) == extsize) {
+              if (fwrite(extra, 1, extsize, fpOut) == extsize) {
+                offset += extsize;
+                } else {
+                err = Z_ERRNO;
+                break;
+              }
             } else {
               err = Z_ERRNO;
               break;

contrib/minizip/mztools.h

@@ -28,4 +28,10 @@ extern int ZEXPORT unzRepair(const char* file,
                              uLong* nRecovered,
                              uLong* bytesRecovered);
 
+
+#ifdef __cplusplus
+}
+#endif
+
+
 #endif

contrib/minizip/unzip.c

@@ -188,7 +188,7 @@ typedef struct
 
 #    ifndef NOUNCRYPT
     unsigned long keys[3];     /* keys defining the pseudo-random sequence */
-    const unsigned long* pcrc_32_tab;
+    const z_crc_t* pcrc_32_tab;
 #    endif
 } unz64_s;
 
@@ -583,7 +583,8 @@ local ZPOS64_T unz64local_SearchCentralDir64(const zlib_filefunc64_32_def* pzlib
 */
 local unzFile unzOpenInternal (const void *path,
                                zlib_filefunc64_32_def* pzlib_filefunc64_32_def,
-                               int is64bitOpenFunction)
+                               int is64bitOpenFunction,
+                               unsigned int basicOffset)
 {
     unz64_s us;
     unz64_s *s;
@@ -620,6 +621,14 @@ local unzFile unzOpenInternal (const void *path,
     if (us.filestream==NULL)
         return NULL;
 
+    if (ZSEEK64(us.z_filefunc,
+                us.filestream,
+                basicOffset,
+                ZLIB_FILEFUNC_SEEK_SET)!=0)
+    {
+        err=UNZ_ERRNO;
+    }
+
     central_pos = unz64local_SearchCentralDir64(&us.z_filefunc,us.filestream);
     if (central_pos)
     {
@@ -769,10 +778,10 @@ extern unzFile ZEXPORT unzOpen2 (const char *path,
     {
         zlib_filefunc64_32_def zlib_filefunc64_32_def_fill;
         fill_zlib_filefunc64_32_def_from_filefunc32(&zlib_filefunc64_32_def_fill,pzlib_filefunc32_def);
-        return unzOpenInternal(path, &zlib_filefunc64_32_def_fill, 0);
+        return unzOpenInternal(path, &zlib_filefunc64_32_def_fill, 0, 0);
     }
     else
-        return unzOpenInternal(path, NULL, 0);
+        return unzOpenInternal(path, NULL, 0, 0);
 }
 
 extern unzFile ZEXPORT unzOpen2_64 (const void *path,
@@ -784,26 +793,31 @@ extern unzFile ZEXPORT unzOpen2_64 (const void *path,
         zlib_filefunc64_32_def_fill.zfile_func64 = *pzlib_filefunc_def;
         zlib_filefunc64_32_def_fill.ztell32_file = NULL;
         zlib_filefunc64_32_def_fill.zseek32_file = NULL;
-        return unzOpenInternal(path, &zlib_filefunc64_32_def_fill, 1);
+        return unzOpenInternal(path, &zlib_filefunc64_32_def_fill, 1, 0);
     }
     else
-        return unzOpenInternal(path, NULL, 1);
+        return unzOpenInternal(path, NULL, 1, 0);
 }
 
 extern unzFile ZEXPORT unzOpen (const char *path)
 {
-    return unzOpenInternal(path, NULL, 0);
+    return unzOpenInternal(path, NULL, 0, 0);
+}
+
+extern unzFile ZEXPORT unzOpenOffset (const char *path, unsigned int basicOffset)
+{
+    return unzOpenInternal(path, NULL, 0, basicOffset);
 }
 
 extern unzFile ZEXPORT unzOpen64 (const void *path)
 {
-    return unzOpenInternal(path, NULL, 1);
+    return unzOpenInternal(path, NULL, 1, 0);
 }
 
 /*
-  Close a ZipFile opened with unzipOpen.
-  If there is files inside the .Zip opened with unzipOpenCurrentFile (see later),
-    these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
+  Close a ZipFile opened with unzOpen.
+  If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
+    these files MUST be closed with unzCloseCurrentFile before call unzClose.
   return UNZ_OK if there is no problem. */
 extern int ZEXPORT unzClose (unzFile file)
 {
@@ -1040,26 +1054,26 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file,
             {
                                                         uLong uL;
 
-                                                                if(file_info.uncompressed_size == (ZPOS64_T)(unsigned long)-1)
+                                                                if(file_info.uncompressed_size == MAXU32)
                                                                 {
                                                                         if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.uncompressed_size) != UNZ_OK)
                                                                                         err=UNZ_ERRNO;
                                                                 }
 
-                                                                if(file_info.compressed_size == (ZPOS64_T)(unsigned long)-1)
+                                                                if(file_info.compressed_size == MAXU32)
                                                                 {
                                                                         if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info.compressed_size) != UNZ_OK)
                                                                                   err=UNZ_ERRNO;
                                                                 }
 
-                                                                if(file_info_internal.offset_curfile == (ZPOS64_T)(unsigned long)-1)
+                                                                if(file_info_internal.offset_curfile == MAXU32)
                                                                 {
                                                                         /* Relative Header offset */
                                                                         if (unz64local_getLong64(&s->z_filefunc, s->filestream,&file_info_internal.offset_curfile) != UNZ_OK)
                                                                                 err=UNZ_ERRNO;
                                                                 }
 
-                                                                if(file_info.disk_num_start == (unsigned long)-1)
+                                                                if(file_info.disk_num_start == MAXU32)
                                                                 {
                                                                         /* Disk Start Number */
                                                                         if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK)
@@ -1145,7 +1159,7 @@ extern int ZEXPORT unzGetCurrentFileInfo (unzFile file,
                                                 szFileName,fileNameBufferSize,
                                                 extraField,extraFieldBufferSize,
                                                 szComment,commentBufferSize);
-    if (err==UNZ_OK)
+    if ((err==UNZ_OK) && (pfile_info != NULL))
     {
         pfile_info->version = file_info64.version;
         pfile_info->version_needed = file_info64.version_needed;
@@ -1223,7 +1237,7 @@ extern int ZEXPORT unzGoToNextFile (unzFile  file)
 
 /*
   Try locate the file szFileName in the zipfile.
-  For the iCaseSensitivity signification, see unzipStringFileNameCompare
+  For the iCaseSensitivity signification, see unzStringFileNameCompare
 
   return value :
   UNZ_OK if the file is found. It becomes the current file.
@@ -1696,7 +1710,7 @@ extern int ZEXPORT unzReadCurrentFile  (unzFile file, voidp buf, unsigned len)
         return UNZ_PARAMERROR;
 
 
-    if ((pfile_in_zip_read_info->read_buffer == NULL))
+    if (pfile_in_zip_read_info->read_buffer == NULL)
         return UNZ_END_OF_LIST_OF_FILE;
     if (len==0)
         return 0;
@@ -1998,7 +2012,7 @@ extern int ZEXPORT unzGetLocalExtrafield (unzFile file, voidp buf, unsigned len)
 }
 
 /*
-  Close the file in zip opened with unzipOpenCurrentFile
+  Close the file in zip opened with unzOpenCurrentFile
   Return UNZ_CRCERROR if all the file was read but the CRC is not good
 */
 extern int ZEXPORT unzCloseCurrentFile (unzFile file)

contrib/minizip/unzip.h

@@ -164,6 +164,7 @@ extern int ZEXPORT unzStringFileNameCompare OF ((const char* fileName1,
 
 
 extern unzFile ZEXPORT unzOpen OF((const char *path));
+extern unzFile ZEXPORT unzOpenOffset OF((const char *path, unsigned int basicOffset));
 extern unzFile ZEXPORT unzOpen64 OF((const void *path));
 /*
   Open a Zip file. path contain the full pathname (by example,
@@ -197,9 +198,9 @@ extern unzFile ZEXPORT unzOpen2_64 OF((const void *path,
 
 extern int ZEXPORT unzClose OF((unzFile file));
 /*
-  Close a ZipFile opened with unzipOpen.
+  Close a ZipFile opened with unzOpen.
   If there is files inside the .Zip opened with unzOpenCurrentFile (see later),
-    these files MUST be closed with unzipCloseCurrentFile before call unzipClose.
+    these files MUST be closed with unzCloseCurrentFile before call unzClose.
   return UNZ_OK if there is no problem. */
 
 extern int ZEXPORT unzGetGlobalInfo OF((unzFile file,

contrib/minizip/zip.c

@@ -157,7 +157,7 @@ typedef struct
     ZPOS64_T totalUncompressedData;
 #ifndef NOCRYPT
     unsigned long keys[3];     /* keys defining the pseudo-random sequence */
-    const unsigned long* pcrc_32_tab;
+    const z_crc_t* pcrc_32_tab;
     int crypt_header_size;
 #endif
 } curfile64_info;
@@ -1067,6 +1067,7 @@ extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename,
     int err = ZIP_OK;
 
 #    ifdef NOCRYPT
+    (crcForCrypting);
     if (password != NULL)
         return ZIP_PARAMERROR;
 #    endif
@@ -1114,9 +1115,9 @@ extern int ZEXPORT zipOpenNewFileInZip4_64 (zipFile file, const char* filename,
     zi->ci.flag = flagBase;
     if ((level==8) || (level==9))
       zi->ci.flag |= 2;
-    if ((level==2))
+    if (level==2)
       zi->ci.flag |= 4;
-    if ((level==1))
+    if (level==1)
       zi->ci.flag |= 6;
     if (password != NULL)
       zi->ci.flag |= 1;
@@ -1710,7 +1711,7 @@ extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_s
         if (err==ZIP_OK)
             err = zip64local_putValue(&zi->z_filefunc,zi->filestream,crc32,4); /* crc 32, unknown */
 
-        if(uncompressed_size >= 0xffffffff)
+        if(uncompressed_size >= 0xffffffff || compressed_size >= 0xffffffff )
         {
           if(zi->ci.pos_zip64extrainfo > 0)
           {
@@ -1724,6 +1725,8 @@ extern int ZEXPORT zipCloseFileInZipRaw64 (zipFile file, ZPOS64_T uncompressed_s
             if (err==ZIP_OK) /* uncompressed size, unknown */
               err = zip64local_putValue(&zi->z_filefunc, zi->filestream, compressed_size, 8);
           }
+          else
+              err = ZIP_BADZIPFILE; // Caller passed zip64 = 0, so no room for zip64 info -> fatal
         }
         else
         {
@@ -1852,7 +1855,7 @@ int Write_EndOfCentralDirectoryRecord(zip64_internal* zi, uLong size_centraldir,
       err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)0xffffffff,4);
     }
     else
-                  err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
+      err = zip64local_putValue(&zi->z_filefunc,zi->filestream, (uLong)(centraldir_pos_inzip - zi->add_position_when_writting_offset),4);
   }
 
    return err;
@@ -1919,7 +1922,7 @@ extern int ZEXPORT zipClose (zipFile file, const char* global_comment)
     free_linkedlist(&(zi->central_dir));
 
     pos = centraldir_pos_inzip - zi->add_position_when_writting_offset;
-    if(pos >= 0xffffffff)
+    if(pos >= 0xffffffff || zi->number_entry > 0xFFFF)
     {
       ZPOS64_T Zip64EOCDpos = ZTELL64(zi->z_filefunc,zi->filestream);
       Write_Zip64EndOfCentralDirectoryRecord(zi, size_centraldir, centraldir_pos_inzip);

contrib/pascal/zlibd32.mak

@@ -63,9 +63,9 @@ uncompr.obj: uncompr.c zlib.h zconf.h
 
 zutil.obj: zutil.c zutil.h zlib.h zconf.h
 
-example.obj: example.c zlib.h zconf.h
+example.obj: test/example.c zlib.h zconf.h
 
-minigzip.obj: minigzip.c zlib.h zconf.h
+minigzip.obj: test/minigzip.c zlib.h zconf.h
 
 
 # For the sake of the old Borland make,

contrib/pascal/zlibpas.pas

@@ -10,7 +10,8 @@ unit zlibpas;
 interface
 
 const
-  ZLIB_VERSION = '1.2.4';
+  ZLIB_VERSION = '1.2.8';
+  ZLIB_VERNUM  = $1280;
 
 type
   alloc_func = function(opaque: Pointer; items, size: Integer): Pointer;
@@ -45,6 +46,23 @@ type
     reserved: LongInt;    (* reserved for future use *)
   end;
 
+  gz_headerp = ^gz_header;
+  gz_header = packed record
+    text: Integer;        (* true if compressed data believed to be text *)
+    time: LongInt;        (* modification time *)
+    xflags: Integer;      (* extra flags (not used when writing a gzip file) *)
+    os: Integer;          (* operating system *)
+    extra: PChar;         (* pointer to extra field or Z_NULL if none *)
+    extra_len: Integer;   (* extra field length (valid if extra != Z_NULL) *)
+    extra_max: Integer;   (* space at extra (only when reading header) *)
+    name: PChar;          (* pointer to zero-terminated file name or Z_NULL *)
+    name_max: Integer;    (* space at name (only when reading header) *)
+    comment: PChar;       (* pointer to zero-terminated comment or Z_NULL *)
+    comm_max: Integer;    (* space at comment (only when reading header) *)
+    hcrc: Integer;        (* true if there was or will be a header crc *)
+    done: Integer;        (* true when done reading gzip header *)
+  end;
+
 (* constants *)
 const
   Z_NO_FLUSH      = 0;
@@ -52,6 +70,8 @@ const
   Z_SYNC_FLUSH    = 2;
   Z_FULL_FLUSH    = 3;
   Z_FINISH        = 4;
+  Z_BLOCK         = 5;
+  Z_TREES         = 6;
 
   Z_OK            =  0;
   Z_STREAM_END    =  1;
@@ -71,9 +91,11 @@ const
   Z_FILTERED            = 1;
   Z_HUFFMAN_ONLY        = 2;
   Z_RLE                 = 3;
+  Z_FIXED               = 4;
   Z_DEFAULT_STRATEGY    = 0;
 
   Z_BINARY   = 0;
+  Z_TEXT     = 1;
   Z_ASCII    = 1;
   Z_UNKNOWN  = 2;
 
@@ -96,14 +118,21 @@ function deflateSetDictionary(var strm: z_stream; const dictionary: PChar;
 function deflateCopy(var dest, source: z_stream): Integer;
 function deflateReset(var strm: z_stream): Integer;
 function deflateParams(var strm: z_stream; level, strategy: Integer): Integer;
+function deflateTune(var strm: z_stream; good_length, max_lazy, nice_length, max_chain: Integer): Integer;
 function deflateBound(var strm: z_stream; sourceLen: LongInt): LongInt;
+function deflatePending(var strm: z_stream; var pending: Integer; var bits: Integer): Integer;
 function deflatePrime(var strm: z_stream; bits, value: Integer): Integer;
+function deflateSetHeader(var strm: z_stream; head: gz_header): Integer;
 function inflateInit2(var strm: z_stream; windowBits: Integer): Integer;
 function inflateSetDictionary(var strm: z_stream; const dictionary: PChar;
                               dictLength: Integer): Integer;
 function inflateSync(var strm: z_stream): Integer;
 function inflateCopy(var dest, source: z_stream): Integer;
 function inflateReset(var strm: z_stream): Integer;
+function inflateReset2(var strm: z_stream; windowBits: Integer): Integer;
+function inflatePrime(var strm: z_stream; bits, value: Integer): Integer;
+function inflateMark(var strm: z_stream): LongInt;
+function inflateGetHeader(var strm: z_stream; var head: gz_header): Integer;
 function inflateBackInit(var strm: z_stream;
                          windowBits: Integer; window: PChar): Integer;
 function inflateBack(var strm: z_stream; in_fn: in_func; in_desc: Pointer;
@@ -123,7 +152,9 @@ function uncompress(dest: PChar; var destLen: LongInt;
 
 (* checksum functions *)
 function adler32(adler: LongInt; const buf: PChar; len: Integer): LongInt;
+function adler32_combine(adler1, adler2, len2: LongInt): LongInt;
 function crc32(crc: LongInt; const buf: PChar; len: Integer): LongInt;
+function crc32_combine(crc1, crc2, len2: LongInt): LongInt;
 
 (* various hacks, don't look :) *)
 function deflateInit_(var strm: z_stream; level: Integer;
@@ -155,10 +186,12 @@ implementation
 {$L zutil.obj}
 
 function adler32; external;
+function adler32_combine; external;
 function compress; external;
 function compress2; external;
 function compressBound; external;
 function crc32; external;
+function crc32_combine; external;
 function deflate; external;
 function deflateBound; external;
 function deflateCopy; external;
@@ -166,18 +199,25 @@ function deflateEnd; external;
 function deflateInit_; external;
 function deflateInit2_; external;
 function deflateParams; external;
+function deflatePending; external;
 function deflatePrime; external;
 function deflateReset; external;
 function deflateSetDictionary; external;
+function deflateSetHeader; external;
+function deflateTune; external;
 function inflate; external;
 function inflateBack; external;
 function inflateBackEnd; external;
 function inflateBackInit_; external;
 function inflateCopy; external;
 function inflateEnd; external;
+function inflateGetHeader; external;
 function inflateInit_; external;
 function inflateInit2_; external;
+function inflateMark; external;
+function inflatePrime; external;
 function inflateReset; external;
+function inflateReset2; external;
 function inflateSetDictionary; external;
 function inflateSync; external;
 function uncompress; external;

contrib/puff/Makefile

@@ -1,8 +1,42 @@
-puff: puff.c puff.h
-	cc -DTEST -o puff puff.c
+CFLAGS=-O
+
+puff: puff.o pufftest.o
+
+puff.o: puff.h
+
+pufftest.o: puff.h
 
 test: puff
 	puff zeros.raw
 
+puft: puff.c puff.h pufftest.o
+	cc -fprofile-arcs -ftest-coverage -o puft puff.c pufftest.o
+
+# puff full coverage test (should say 100%)
+cov: puft
+	@rm -f *.gcov *.gcda
+	@puft -w zeros.raw 2>&1 | cat > /dev/null
+	@echo '04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+	@echo '00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+	@echo '00 00 00 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 254
+	@echo '00 01 00 fe ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+	@echo '01 01 00 fe ff 0a' | xxd -r -p | puft -f 2>&1 | cat > /dev/null
+	@echo '02 7e ff ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246
+	@echo '02' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+	@echo '04 80 49 92 24 49 92 24 0f b4 ff ff c3 04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 2
+	@echo '04 80 49 92 24 49 92 24 71 ff ff 93 11 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 249
+	@echo '04 c0 81 08 00 00 00 00 20 7f eb 0b 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246
+	@echo '0b 00 00' | xxd -r -p | puft -f 2>&1 | cat > /dev/null
+	@echo '1a 07' | xxd -r -p | puft 2> /dev/null || test $$? -eq 246
+	@echo '0c c0 81 00 00 00 00 00 90 ff 6b 04' | xxd -r -p | puft 2> /dev/null || test $$? -eq 245
+	@puft -f zeros.raw 2>&1 | cat > /dev/null
+	@echo 'fc 00 00' | xxd -r -p | puft 2> /dev/null || test $$? -eq 253
+	@echo '04 00 fe ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 252
+	@echo '04 00 24 49' | xxd -r -p | puft 2> /dev/null || test $$? -eq 251
+	@echo '04 80 49 92 24 49 92 24 0f b4 ff ff c3 84' | xxd -r -p | puft 2> /dev/null || test $$? -eq 248
+	@echo '04 00 24 e9 ff ff' | xxd -r -p | puft 2> /dev/null || test $$? -eq 250
+	@echo '04 00 24 e9 ff 6d' | xxd -r -p | puft 2> /dev/null || test $$? -eq 247
+	@gcov -n puff.c
+
 clean:
-	rm -f puff puff.o
+	rm -f puff puft *.o *.gc*

contrib/puff/puff.c

@@ -1,8 +1,8 @@
 /*
  * puff.c
- * Copyright (C) 2002-2008 Mark Adler
+ * Copyright (C) 2002-2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in puff.h
- * version 2.0, 25 Jul 2008
+ * version 2.3, 21 Jan 2013
  *
  * puff.c is a simple inflate written to be an unambiguous way to specify the
  * deflate format.  It is not written for speed but rather simplicity.  As a
@@ -49,9 +49,9 @@
  *                      - Fix fixed codes table error
  *                      - Provide a scanning mode for determining size of
  *                        uncompressed data
- * 1.3  20 Mar 2002     - Go back to lengths for puff() parameters [Jean-loup]
+ * 1.3  20 Mar 2002     - Go back to lengths for puff() parameters [Gailly]
  *                      - Add a puff.h file for the interface
- *                      - Add braces in puff() for else do [Jean-loup]
+ *                      - Add braces in puff() for else do [Gailly]
  *                      - Use indexes instead of pointers for readability
  * 1.4  31 Mar 2002     - Simplify construct() code set check
  *                      - Fix some comments
@@ -67,13 +67,22 @@
  *                      - Add option in TEST code for puff to write the data
  *                      - Add option in TEST code to skip input bytes
  *                      - Allow TEST code to read from piped stdin
+ * 2.1   4 Apr 2010     - Avoid variable initialization for happier compilers
+ *                      - Avoid unsigned comparisons for even happier compilers
+ * 2.2  25 Apr 2010     - Fix bug in variable initializations [Oberhumer]
+ *                      - Add const where appropriate [Oberhumer]
+ *                      - Split if's and ?'s for coverage testing
+ *                      - Break out test code to separate file
+ *                      - Move NIL to puff.h
+ *                      - Allow incomplete code only if single code length is 1
+ *                      - Add full code coverage test to Makefile
+ * 2.3  21 Jan 2013     - Check for invalid code length codes in dynamic blocks
  */
 
 #include <setjmp.h>             /* for setjmp(), longjmp(), and jmp_buf */
 #include "puff.h"               /* prototype for puff() */
 
 #define local static            /* for local function definitions */
-#define NIL ((unsigned char *)0)        /* for no output option */
 
 /*
  * Maximums for allocations and loops.  It is not useful to change these --
@@ -93,7 +102,7 @@ struct state {
     unsigned long outcnt;       /* bytes written to out so far */
 
     /* input state */
-    unsigned char *in;          /* input buffer */
+    const unsigned char *in;    /* input buffer */
     unsigned long inlen;        /* available input at in */
     unsigned long incnt;        /* bytes read so far */
     int bitbuf;                 /* bit buffer */
@@ -121,7 +130,8 @@ local int bits(struct state *s, int need)
     /* load at least need bits into val */
     val = s->bitbuf;
     while (s->bitcnt < need) {
-        if (s->incnt == s->inlen) longjmp(s->env, 1);   /* out of input */
+        if (s->incnt == s->inlen)
+            longjmp(s->env, 1);         /* out of input */
         val |= (long)(s->in[s->incnt++]) << s->bitcnt;  /* load eight bits */
         s->bitcnt += 8;
     }
@@ -160,7 +170,8 @@ local int stored(struct state *s)
     s->bitcnt = 0;
 
     /* get length and check against its one's complement */
-    if (s->incnt + 4 > s->inlen) return 2;      /* not enough input */
+    if (s->incnt + 4 > s->inlen)
+        return 2;                               /* not enough input */
     len = s->in[s->incnt++];
     len |= s->in[s->incnt++] << 8;
     if (s->in[s->incnt++] != (~len & 0xff) ||
@@ -168,7 +179,8 @@ local int stored(struct state *s)
         return -2;                              /* didn't match complement! */
 
     /* copy len bytes from in to out */
-    if (s->incnt + len > s->inlen) return 2;    /* not enough input */
+    if (s->incnt + len > s->inlen)
+        return 2;                               /* not enough input */
     if (s->out != NIL) {
         if (s->outcnt + len > s->outlen)
             return 1;                           /* not enough output space */
@@ -220,7 +232,7 @@ struct huffman {
  *   in the deflate format.  See the format notes for fixed() and dynamic().
  */
 #ifdef SLOW
-local int decode(struct state *s, struct huffman *h)
+local int decode(struct state *s, const struct huffman *h)
 {
     int len;            /* current number of bits in code */
     int code;           /* len bits being decoded */
@@ -248,7 +260,7 @@ local int decode(struct state *s, struct huffman *h)
  * a few percent larger.
  */
 #else /* !SLOW */
-local int decode(struct state *s, struct huffman *h)
+local int decode(struct state *s, const struct huffman *h)
 {
     int len;            /* current number of bits in code */
     int code;           /* len bits being decoded */
@@ -281,10 +293,13 @@ local int decode(struct state *s, struct huffman *h)
             len++;
         }
         left = (MAXBITS+1) - len;
-        if (left == 0) break;
-        if (s->incnt == s->inlen) longjmp(s->env, 1);   /* out of input */
+        if (left == 0)
+            break;
+        if (s->incnt == s->inlen)
+            longjmp(s->env, 1);         /* out of input */
         bitbuf = s->in[s->incnt++];
-        if (left > 8) left = 8;
+        if (left > 8)
+            left = 8;
     }
     return -10;                         /* ran out of codes */
 }
@@ -322,7 +337,7 @@ local int decode(struct state *s, struct huffman *h)
  * - Within a given code length, the symbols are kept in ascending order for
  *   the code bits definition.
  */
-local int construct(struct huffman *h, short *length, int n)
+local int construct(struct huffman *h, const short *length, int n)
 {
     int symbol;         /* current symbol when stepping through length[] */
     int len;            /* current length when stepping through h->count[] */
@@ -342,7 +357,8 @@ local int construct(struct huffman *h, short *length, int n)
     for (len = 1; len <= MAXBITS; len++) {
         left <<= 1;                     /* one more bit, double codes left */
         left -= h->count[len];          /* deduct count from possible codes */
-        if (left < 0) return left;      /* over-subscribed--return negative */
+        if (left < 0)
+            return left;                /* over-subscribed--return negative */
     }                                   /* left > 0 means incomplete */
 
     /* generate offsets into symbol table for each length for sorting */
@@ -418,8 +434,8 @@ local int construct(struct huffman *h, short *length, int n)
  *   defined to do the wrong thing in this case.
  */
 local int codes(struct state *s,
-                struct huffman *lencode,
-                struct huffman *distcode)
+                const struct huffman *lencode,
+                const struct huffman *distcode)
 {
     int symbol;         /* decoded symbol */
     int len;            /* length for copy */
@@ -442,11 +458,13 @@ local int codes(struct state *s,
     /* decode literals and length/distance pairs */
     do {
         symbol = decode(s, lencode);
-        if (symbol < 0) return symbol;  /* invalid symbol */
+        if (symbol < 0)
+            return symbol;              /* invalid symbol */
         if (symbol < 256) {             /* literal: symbol is the byte */
             /* write out the literal */
             if (s->out != NIL) {
-                if (s->outcnt == s->outlen) return 1;
+                if (s->outcnt == s->outlen)
+                    return 1;
                 s->out[s->outcnt] = symbol;
             }
             s->outcnt++;
@@ -454,12 +472,14 @@ local int codes(struct state *s,
         else if (symbol > 256) {        /* length */
             /* get and compute length */
             symbol -= 257;
-            if (symbol >= 29) return -10;       /* invalid fixed code */
+            if (symbol >= 29)
+                return -10;             /* invalid fixed code */
             len = lens[symbol] + bits(s, lext[symbol]);
 
             /* get and check distance */
             symbol = decode(s, distcode);
-            if (symbol < 0) return symbol;      /* invalid symbol */
+            if (symbol < 0)
+                return symbol;          /* invalid symbol */
             dist = dists[symbol] + bits(s, dext[symbol]);
 #ifndef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
             if (dist > s->outcnt)
@@ -468,13 +488,15 @@ local int codes(struct state *s,
 
             /* copy length bytes from distance bytes back */
             if (s->out != NIL) {
-                if (s->outcnt + len > s->outlen) return 1;
+                if (s->outcnt + len > s->outlen)
+                    return 1;
                 while (len--) {
                     s->out[s->outcnt] =
 #ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
-                        dist > s->outcnt ? 0 :
+                        dist > s->outcnt ?
+                            0 :
 #endif
-                        s->out[s->outcnt - dist];
+                            s->out[s->outcnt - dist];
                     s->outcnt++;
                 }
             }
@@ -516,14 +538,19 @@ local int fixed(struct state *s)
     static int virgin = 1;
     static short lencnt[MAXBITS+1], lensym[FIXLCODES];
     static short distcnt[MAXBITS+1], distsym[MAXDCODES];
-    static struct huffman lencode = {lencnt, lensym};
-    static struct huffman distcode = {distcnt, distsym};
+    static struct huffman lencode, distcode;
 
     /* build fixed huffman tables if first call (may not be thread safe) */
     if (virgin) {
         int symbol;
         short lengths[FIXLCODES];
 
+        /* construct lencode and distcode */
+        lencode.count = lencnt;
+        lencode.symbol = lensym;
+        distcode.count = distcnt;
+        distcode.symbol = distsym;
+
         /* literal/length table */
         for (symbol = 0; symbol < 144; symbol++)
             lengths[symbol] = 8;
@@ -643,11 +670,16 @@ local int dynamic(struct state *s)
     short lengths[MAXCODES];            /* descriptor code lengths */
     short lencnt[MAXBITS+1], lensym[MAXLCODES];         /* lencode memory */
     short distcnt[MAXBITS+1], distsym[MAXDCODES];       /* distcode memory */
-    struct huffman lencode = {lencnt, lensym};          /* length code */
-    struct huffman distcode = {distcnt, distsym};       /* distance code */
+    struct huffman lencode, distcode;   /* length and distance codes */
     static const short order[19] =      /* permutation of code length codes */
         {16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
 
+    /* construct lencode and distcode */
+    lencode.count = lencnt;
+    lencode.symbol = lensym;
+    distcode.count = distcnt;
+    distcode.symbol = distsym;
+
     /* get number of lengths in each table, check lengths */
     nlen = bits(s, 5) + 257;
     ndist = bits(s, 5) + 1;
@@ -663,7 +695,8 @@ local int dynamic(struct state *s)
 
     /* build huffman table for code lengths codes (use lencode temporarily) */
     err = construct(&lencode, lengths, 19);
-    if (err != 0) return -4;            /* require complete code set here */
+    if (err != 0)               /* require complete code set here */
+        return -4;
 
     /* read length/literal and distance code length tables */
     index = 0;
@@ -672,12 +705,15 @@ local int dynamic(struct state *s)
         int len;                /* last length to repeat */
 
         symbol = decode(s, &lencode);
+        if (symbol < 0)
+            return symbol;          /* invalid symbol */
         if (symbol < 16)                /* length in 0..15 */
             lengths[index++] = symbol;
         else {                          /* repeat instruction */
             len = 0;                    /* assume repeating zeros */
             if (symbol == 16) {         /* repeat last length 3..6 times */
-                if (index == 0) return -5;      /* no last length! */
+                if (index == 0)
+                    return -5;          /* no last length! */
                 len = lengths[index - 1];       /* last length */
                 symbol = 3 + bits(s, 2);
             }
@@ -698,13 +734,13 @@ local int dynamic(struct state *s)
 
     /* build huffman table for literal/length codes */
     err = construct(&lencode, lengths, nlen);
-    if (err < 0 || (err > 0 && nlen - lencode.count[0] != 1))
-        return -7;      /* only allow incomplete codes if just one code */
+    if (err && (err < 0 || nlen != lencode.count[0] + lencode.count[1]))
+        return -7;      /* incomplete code ok only for single length 1 code */
 
     /* build huffman table for distance codes */
     err = construct(&distcode, lengths + nlen, ndist);
-    if (err < 0 || (err > 0 && ndist - distcode.count[0] != 1))
-        return -8;      /* only allow incomplete codes if just one code */
+    if (err && (err < 0 || ndist != distcode.count[0] + distcode.count[1]))
+        return -8;      /* incomplete code ok only for single length 1 code */
 
     /* decode data until end-of-block code */
     return codes(s, &lencode, &distcode);
@@ -756,7 +792,7 @@ local int dynamic(struct state *s)
  */
 int puff(unsigned char *dest,           /* pointer to destination pointer */
          unsigned long *destlen,        /* amount of output space */
-         unsigned char *source,         /* pointer to source data pointer */
+         const unsigned char *source,   /* pointer to source data pointer */
          unsigned long *sourcelen)      /* amount of input available */
 {
     struct state s;             /* input/output state */
@@ -783,11 +819,15 @@ int puff(unsigned char *dest,           /* pointer to destination pointer */
         do {
             last = bits(&s, 1);         /* one if last block */
             type = bits(&s, 2);         /* block type 0..3 */
-            err = type == 0 ? stored(&s) :
-                  (type == 1 ? fixed(&s) :
-                   (type == 2 ? dynamic(&s) :
-                    -1));               /* type == 3, invalid */
-            if (err != 0) break;        /* return with error */
+            err = type == 0 ?
+                    stored(&s) :
+                    (type == 1 ?
+                        fixed(&s) :
+                        (type == 2 ?
+                            dynamic(&s) :
+                            -1));       /* type == 3, invalid */
+            if (err != 0)
+                break;                  /* return with error */
         } while (!last);
     }
 
@@ -798,145 +838,3 @@ int puff(unsigned char *dest,           /* pointer to destination pointer */
     }
     return err;
 }
-
-#ifdef TEST
-/* Examples of how to use puff().
-
-   Usage: puff [-w] [-nnn] file
-          ... | puff [-w] [-nnn]
-
-   where file is the input file with deflate data, nnn is the number of bytes
-   of input to skip before inflating (e.g. to skip a zlib or gzip header), and
-   -w is used to write the decompressed data to stdout */
-
-#include <stdio.h>
-#include <stdlib.h>
-
-/* Return size times approximately the cube root of 2, keeping the result as 1,
-   3, or 5 times a power of 2 -- the result is always > size, until the result
-   is the maximum value of an unsigned long, where it remains.  This is useful
-   to keep reallocations less than ~33% over the actual data. */
-local size_t bythirds(size_t size)
-{
-    int n;
-    size_t m;
-
-    m = size;
-    for (n = 0; m; n++)
-        m >>= 1;
-    if (n < 3)
-        return size + 1;
-    n -= 3;
-    m = size >> n;
-    m += m == 6 ? 2 : 1;
-    m <<= n;
-    return m > size ? m : (size_t)(-1);
-}
-
-/* Read the input file *name, or stdin if name is NULL, into allocated memory.
-   Reallocate to larger buffers until the entire file is read in.  Return a
-   pointer to the allocated data, or NULL if there was a memory allocation
-   failure.  *len is the number of bytes of data read from the input file (even
-   if load() returns NULL).  If the input file was empty or could not be opened
-   or read, *len is zero. */
-local void *load(char *name, size_t *len)
-{
-    size_t size;
-    void *buf, *swap;
-    FILE *in;
-
-    *len = 0;
-    buf = malloc(size = 4096);
-    if (buf == NULL)
-        return NULL;
-    in = name == NULL ? stdin : fopen(name, "rb");
-    if (in != NULL) {
-        for (;;) {
-            *len += fread((char *)buf + *len, 1, size - *len, in);
-            if (*len < size) break;
-            size = bythirds(size);
-            if (size == *len || (swap = realloc(buf, size)) == NULL) {
-                free(buf);
-                buf = NULL;
-                break;
-            }
-            buf = swap;
-        }
-        fclose(in);
-    }
-    return buf;
-}
-
-int main(int argc, char **argv)
-{
-    int ret, skip = 0, put = 0;
-    char *arg, *name = NULL;
-    unsigned char *source = NULL, *dest;
-    size_t len = 0;
-    unsigned long sourcelen, destlen;
-
-    /* process arguments */
-    while (arg = *++argv, --argc)
-        if (arg[0] == '-') {
-            if (arg[1] == 'w' && arg[2] == 0)
-                put = 1;
-            else if (arg[1] >= '0' && arg[1] <= '9')
-                skip = atoi(arg + 1);
-            else {
-                fprintf(stderr, "invalid option %s\n", arg);
-                return 3;
-            }
-        }
-        else if (name != NULL) {
-            fprintf(stderr, "only one file name allowed\n");
-            return 3;
-        }
-        else
-            name = arg;
-    source = load(name, &len);
-    if (source == NULL) {
-        fprintf(stderr, "memory allocation failure\n");
-        return 4;
-    }
-    if (len == 0) {
-        fprintf(stderr, "could not read %s, or it was empty\n",
-                name == NULL ? "<stdin>" : name);
-        free(source);
-        return 3;
-    }
-    if (skip >= len) {
-        fprintf(stderr, "skip request of %d leaves no input\n", skip);
-        free(source);
-        return 3;
-    }
-
-    /* test inflate data with offset skip */
-    len -= skip;
-    sourcelen = (unsigned long)len;
-    ret = puff(NIL, &destlen, source + skip, &sourcelen);
-    if (ret)
-        fprintf(stderr, "puff() failed with return code %d\n", ret);
-    else {
-        fprintf(stderr, "puff() succeeded uncompressing %lu bytes\n", destlen);
-        if (sourcelen < len) fprintf(stderr, "%lu compressed bytes unused\n",
-                                     len - sourcelen);
-    }
-
-    /* if requested, inflate again and write decompressd data to stdout */
-    if (put) {
-        dest = malloc(destlen);
-        if (dest == NULL) {
-            fprintf(stderr, "memory allocation failure\n");
-            free(source);
-            return 4;
-        }
-        puff(dest, &destlen, source + skip, &sourcelen);
-        fwrite(dest, 1, destlen, stdout);
-        free(dest);
-    }
-
-    /* clean up */
-    free(source);
-    return ret;
-}
-#endif

contrib/puff/puff.h

@@ -1,6 +1,6 @@
 /* puff.h
-  Copyright (C) 2002-2008 Mark Adler, all rights reserved
-  version 1.9, 10 Jan 2008
+  Copyright (C) 2002-2013 Mark Adler, all rights reserved
+  version 2.3, 21 Jan 2013
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the author be held liable for any damages
@@ -25,7 +25,11 @@
 /*
  * See puff.c for purpose and usage.
  */
+#ifndef NIL
+#  define NIL ((unsigned char *)0)      /* for no output option */
+#endif
+
 int puff(unsigned char *dest,           /* pointer to destination pointer */
          unsigned long *destlen,        /* amount of output space */
-         unsigned char *source,         /* pointer to source data pointer */
+         const unsigned char *source,   /* pointer to source data pointer */
          unsigned long *sourcelen);     /* amount of input available */

contrib/puff/pufftest.c

@@ -0,0 +1,165 @@
+/*
+ * pufftest.c
+ * Copyright (C) 2002-2013 Mark Adler
+ * For conditions of distribution and use, see copyright notice in puff.h
+ * version 2.3, 21 Jan 2013
+ */
+
+/* Example of how to use puff().
+
+   Usage: puff [-w] [-f] [-nnn] file
+          ... | puff [-w] [-f] [-nnn]
+
+   where file is the input file with deflate data, nnn is the number of bytes
+   of input to skip before inflating (e.g. to skip a zlib or gzip header), and
+   -w is used to write the decompressed data to stdout.  -f is for coverage
+   testing, and causes pufftest to fail with not enough output space (-f does
+   a write like -w, so -w is not required). */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include "puff.h"
+
+#if defined(MSDOS) || defined(OS2) || defined(WIN32) || defined(__CYGWIN__)
+#  include <fcntl.h>
+#  include <io.h>
+#  define SET_BINARY_MODE(file) setmode(fileno(file), O_BINARY)
+#else
+#  define SET_BINARY_MODE(file)
+#endif
+
+#define local static
+
+/* Return size times approximately the cube root of 2, keeping the result as 1,
+   3, or 5 times a power of 2 -- the result is always > size, until the result
+   is the maximum value of an unsigned long, where it remains.  This is useful
+   to keep reallocations less than ~33% over the actual data. */
+local size_t bythirds(size_t size)
+{
+    int n;
+    size_t m;
+
+    m = size;
+    for (n = 0; m; n++)
+        m >>= 1;
+    if (n < 3)
+        return size + 1;
+    n -= 3;
+    m = size >> n;
+    m += m == 6 ? 2 : 1;
+    m <<= n;
+    return m > size ? m : (size_t)(-1);
+}
+
+/* Read the input file *name, or stdin if name is NULL, into allocated memory.
+   Reallocate to larger buffers until the entire file is read in.  Return a
+   pointer to the allocated data, or NULL if there was a memory allocation
+   failure.  *len is the number of bytes of data read from the input file (even
+   if load() returns NULL).  If the input file was empty or could not be opened
+   or read, *len is zero. */
+local void *load(const char *name, size_t *len)
+{
+    size_t size;
+    void *buf, *swap;
+    FILE *in;
+
+    *len = 0;
+    buf = malloc(size = 4096);
+    if (buf == NULL)
+        return NULL;
+    in = name == NULL ? stdin : fopen(name, "rb");
+    if (in != NULL) {
+        for (;;) {
+            *len += fread((char *)buf + *len, 1, size - *len, in);
+            if (*len < size) break;
+            size = bythirds(size);
+            if (size == *len || (swap = realloc(buf, size)) == NULL) {
+                free(buf);
+                buf = NULL;
+                break;
+            }
+            buf = swap;
+        }
+        fclose(in);
+    }
+    return buf;
+}
+
+int main(int argc, char **argv)
+{
+    int ret, put = 0, fail = 0;
+    unsigned skip = 0;
+    char *arg, *name = NULL;
+    unsigned char *source = NULL, *dest;
+    size_t len = 0;
+    unsigned long sourcelen, destlen;
+
+    /* process arguments */
+    while (arg = *++argv, --argc)
+        if (arg[0] == '-') {
+            if (arg[1] == 'w' && arg[2] == 0)
+                put = 1;
+            else if (arg[1] == 'f' && arg[2] == 0)
+                fail = 1, put = 1;
+            else if (arg[1] >= '0' && arg[1] <= '9')
+                skip = (unsigned)atoi(arg + 1);
+            else {
+                fprintf(stderr, "invalid option %s\n", arg);
+                return 3;
+            }
+        }
+        else if (name != NULL) {
+            fprintf(stderr, "only one file name allowed\n");
+            return 3;
+        }
+        else
+            name = arg;
+    source = load(name, &len);
+    if (source == NULL) {
+        fprintf(stderr, "memory allocation failure\n");
+        return 4;
+    }
+    if (len == 0) {
+        fprintf(stderr, "could not read %s, or it was empty\n",
+                name == NULL ? "<stdin>" : name);
+        free(source);
+        return 3;
+    }
+    if (skip >= len) {
+        fprintf(stderr, "skip request of %d leaves no input\n", skip);
+        free(source);
+        return 3;
+    }
+
+    /* test inflate data with offset skip */
+    len -= skip;
+    sourcelen = (unsigned long)len;
+    ret = puff(NIL, &destlen, source + skip, &sourcelen);
+    if (ret)
+        fprintf(stderr, "puff() failed with return code %d\n", ret);
+    else {
+        fprintf(stderr, "puff() succeeded uncompressing %lu bytes\n", destlen);
+        if (sourcelen < len) fprintf(stderr, "%lu compressed bytes unused\n",
+                                     len - sourcelen);
+    }
+
+    /* if requested, inflate again and write decompressd data to stdout */
+    if (put && ret == 0) {
+        if (fail)
+            destlen >>= 1;
+        dest = malloc(destlen);
+        if (dest == NULL) {
+            fprintf(stderr, "memory allocation failure\n");
+            free(source);
+            return 4;
+        }
+        puff(dest, &destlen, source + skip, &sourcelen);
+        SET_BINARY_MODE(stdout);
+        fwrite(dest, 1, destlen, stdout);
+        free(dest);
+    }
+
+    /* clean up */
+    free(source);
+    return ret;
+}

contrib/testzlib/testzlib.c

@@ -116,10 +116,10 @@ DWORD GetMsecSincePerfCounter(LARGE_INTEGER beginTime64,BOOL fComputeTimeQueryPe
     return dwRet;
 }
 
-int ReadFileMemory(const char* filename,long* plFileSize,void** pFilePtr)
+int ReadFileMemory(const char* filename,long* plFileSize,unsigned char** pFilePtr)
 {
     FILE* stream;
-    void* ptr;
+    unsigned char* ptr;
     int retVal=1;
     stream=fopen(filename, "rb");
     if (stream==NULL)

contrib/vstudio/readme.txt

@@ -1,8 +1,8 @@
-Building instructions for the DLL versions of Zlib 1.2.4
+Building instructions for the DLL versions of Zlib 1.2.8
 ========================================================
 
 This directory contains projects that build zlib and minizip using
-Microsoft Visual C++ 9.0/10.0, and Visual C++ .
+Microsoft Visual C++ 9.0/10.0.
 
 You don't need to build these projects yourself. You can download the
 binaries from:
@@ -10,9 +10,6 @@ binaries from:
 
 More information can be found at this site.
 
-first compile assembly code by running
-bld_ml64.bat in contrib\masmx64
-bld_ml32.bat in contrib\masmx86
 
 
 
@@ -20,13 +17,21 @@ bld_ml32.bat in contrib\masmx86
 Build instructions for Visual Studio 2008 (32 bits or 64 bits)
 --------------------------------------------------------------
 - Uncompress current zlib, including all contrib/* files
-- Open contrib\vstudio\vc9\zlibvc.sln with Microsoft Visual C++ 2008.0
+- Compile assembly code (with Visual Studio Command Prompt) by running:
+   bld_ml64.bat (in contrib\masmx64)
+   bld_ml32.bat (in contrib\masmx86)
+- Open contrib\vstudio\vc9\zlibvc.sln with Microsoft Visual C++ 2008
 - Or run: vcbuild /rebuild contrib\vstudio\vc9\zlibvc.sln "Release|Win32"
 
 Build instructions for Visual Studio 2010 (32 bits or 64 bits)
 --------------------------------------------------------------
 - Uncompress current zlib, including all contrib/* files
-- Open contrib\vstudio\vc10\zlibvc.sln with Microsoft Visual C++ 2010.0
+- Open contrib\vstudio\vc10\zlibvc.sln with Microsoft Visual C++ 2010
+
+Build instructions for Visual Studio 2012 (32 bits or 64 bits)
+--------------------------------------------------------------
+- Uncompress current zlib, including all contrib/* files
+- Open contrib\vstudio\vc11\zlibvc.sln with Microsoft Visual C++ 2012
 
 
 Important

contrib/vstudio/vc10/miniunz.vcxproj.user

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-</Project>

contrib/vstudio/vc10/minizip.vcxproj.user

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-</Project>

contrib/vstudio/vc10/testzlib.vcxproj.user

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-</Project>

contrib/vstudio/vc10/testzlibdll.vcxproj

@@ -139,7 +139,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>x86\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)testzlib.exe</OutputFile>
+      <OutputFile>$(OutDir)testzlibdll.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)testzlib.pdb</ProgramDatabaseFile>
       <SubSystem>Console</SubSystem>
@@ -169,7 +169,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>x86\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)testzlib.exe</OutputFile>
+      <OutputFile>$(OutDir)testzlibdll.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>
@@ -200,7 +200,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>x64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)testzlib.exe</OutputFile>
+      <OutputFile>$(OutDir)testzlibdll.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)testzlib.pdb</ProgramDatabaseFile>
       <SubSystem>Console</SubSystem>
@@ -227,7 +227,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>ia64\ZlibDllDebug\zlibwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)testzlib.exe</OutputFile>
+      <OutputFile>$(OutDir)testzlibdll.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <ProgramDatabaseFile>$(OutDir)testzlib.pdb</ProgramDatabaseFile>
       <SubSystem>Console</SubSystem>
@@ -257,7 +257,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>x64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)testzlib.exe</OutputFile>
+      <OutputFile>$(OutDir)testzlibdll.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>
@@ -288,7 +288,7 @@
     </ClCompile>
     <Link>
       <AdditionalDependencies>ia64\ZlibDllRelease\zlibwapi.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)testzlib.exe</OutputFile>
+      <OutputFile>$(OutDir)testzlibdll.exe</OutputFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
       <SubSystem>Console</SubSystem>
       <OptimizeReferences>true</OptimizeReferences>

contrib/vstudio/vc10/testzlibdll.vcxproj.user

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-</Project>

contrib/vstudio/vc10/zlib.rc

@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1,2,4,0
-  PRODUCTVERSION 1,2,4,0
+  FILEVERSION	 1,2,8,0
+  PRODUCTVERSION 1,2,8,0
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@ BEGIN
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.4.0\0"
+      VALUE "FileVersion",	"1.2.8\0"
       VALUE "InternalName",	"zlib\0"
-      VALUE "OriginalFilename",	"zlib.dll\0"
+      VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2010 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2013 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"

contrib/vstudio/vc10/zlibstat.vcxproj

@@ -182,6 +182,10 @@
       <OutputFile>$(OutDir)zlibstat.lib</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx86
+bld_ml32.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
     <ClCompile>
@@ -210,6 +214,10 @@
       <OutputFile>$(OutDir)zlibstat.lib</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx86
+bld_ml32.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Win32'">
     <ClCompile>
@@ -266,6 +274,10 @@
       <OutputFile>$(OutDir)zlibstat.lib</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx64
+bld_ml64.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Itanium'">
     <Midl>
@@ -326,6 +338,10 @@
       <OutputFile>$(OutDir)zlibstat.lib</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
     </Lib>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx64
+bld_ml64.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">
     <Midl>

contrib/vstudio/vc10/zlibstat.vcxproj.user

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-</Project>

contrib/vstudio/vc10/zlibvc.def

@@ -1,7 +1,7 @@
 LIBRARY
 ; zlib data compression and ZIP file I/O library
 
-VERSION		1.24
+VERSION		1.2.8
 
 EXPORTS
         adler32                                  @1
@@ -55,6 +55,7 @@ EXPORTS
         gzungetc                                 @49
         zlibCompileFlags                         @50
         deflatePrime                             @51
+        deflatePending                           @52
 
         unzOpen                                  @61
         unzClose                                 @62
@@ -115,9 +116,7 @@ EXPORTS
 
 ; zlib1 v1.2.4 added:
         adler32_combine                         @140
-        adler32_combine64                       @141
         crc32_combine                           @142
-        crc32_combine64                         @143
         deflateSetHeader                        @144
         deflateTune                             @145
         gzbuffer                                @146
@@ -125,12 +124,20 @@ EXPORTS
         gzclose_w                               @148
         gzdirect                                @149
         gzoffset                                @150
-        gzoffset64                              @151
-        gzopen64                                @152
-        gzseek64                                @153
-        gztell64                                @154
         inflateGetHeader                        @156
         inflateMark                             @157
         inflatePrime                            @158
         inflateReset2                           @159
         inflateUndermine                        @160
+
+; zlib1 v1.2.6 added:
+        gzgetc_                                 @161
+        inflateResetKeep                        @163
+        deflateResetKeep                        @164
+
+; zlib1 v1.2.7 added:
+        gzopen_w                                @165
+
+; zlib1 v1.2.8 added:
+        inflateGetDictionary                    @166
+        gzvprintf                               @167

contrib/vstudio/vc10/zlibvc.vcxproj

@@ -180,6 +180,12 @@
     <CodeAnalysisRuleSet Condition="'$(Configuration)|$(Platform)'=='Release|x64'">AllRules.ruleset</CodeAnalysisRuleSet>
     <CodeAnalysisRules Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
     <CodeAnalysisRuleAssemblies Condition="'$(Configuration)|$(Platform)'=='Release|x64'" />
+    <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">zlibwapid</TargetName>
+    <TargetName Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Win32'">zlibwapi</TargetName>
+    <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">zlibwapi</TargetName>
+    <TargetName Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">zlibwapid</TargetName>
+    <TargetName Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|x64'">zlibwapi</TargetName>
+    <TargetName Condition="'$(Configuration)|$(Platform)'=='Release|x64'">zlibwapi</TargetName>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
     <Midl>
@@ -214,19 +220,19 @@
     <Link>
       <AdditionalOptions>/MACHINE:I386 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalDependencies>..\..\masmx86\match686.obj;..\..\masmx86\inffas32.obj;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
       <GenerateMapFile>true</GenerateMapFile>
-      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
       <SubSystem>Windows</SubSystem>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
       </DataExecutionPrevention>
-      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
     </Link>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx86
+bld_ml32.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Win32'">
     <Midl>
@@ -262,18 +268,14 @@
     </ResourceCompile>
     <Link>
       <AdditionalOptions>/MACHINE:I386 %(AdditionalOptions)</AdditionalOptions>
-      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
-      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
       <GenerateMapFile>true</GenerateMapFile>
-      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
       <SubSystem>Windows</SubSystem>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
       </DataExecutionPrevention>
-      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
     </Link>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@@ -311,19 +313,19 @@
     <Link>
       <AdditionalOptions>/MACHINE:I386 %(AdditionalOptions)</AdditionalOptions>
       <AdditionalDependencies>..\..\masmx86\match686.obj;..\..\masmx86\inffas32.obj;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
-      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
       <GenerateMapFile>true</GenerateMapFile>
-      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
       <SubSystem>Windows</SubSystem>
       <RandomizedBaseAddress>false</RandomizedBaseAddress>
       <DataExecutionPrevention>
       </DataExecutionPrevention>
-      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
     </Link>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx86
+bld_ml32.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <Midl>
@@ -357,17 +359,17 @@
     </ResourceCompile>
     <Link>
       <AdditionalDependencies>..\..\masmx64\gvmat64.obj;..\..\masmx64\inffasx64.obj;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
       <GenerateDebugInformation>true</GenerateDebugInformation>
-      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
       <GenerateMapFile>true</GenerateMapFile>
-      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
       <SubSystem>Windows</SubSystem>
-      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx64
+bld_ml64.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Itanium'">
     <Midl>
@@ -445,15 +447,11 @@
       <Culture>0x040c</Culture>
     </ResourceCompile>
     <Link>
-      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
-      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
       <GenerateMapFile>true</GenerateMapFile>
-      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
       <SubSystem>Windows</SubSystem>
-      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
   </ItemDefinitionGroup>
@@ -536,17 +534,17 @@
     </ResourceCompile>
     <Link>
       <AdditionalDependencies>..\..\masmx64\gvmat64.obj;..\..\masmx64\inffasx64.obj;%(AdditionalDependencies)</AdditionalDependencies>
-      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
       <SuppressStartupBanner>true</SuppressStartupBanner>
       <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
       <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
-      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
       <GenerateMapFile>true</GenerateMapFile>
-      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
       <SubSystem>Windows</SubSystem>
-      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
       <TargetMachine>MachineX64</TargetMachine>
     </Link>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx64
+bld_ml64.bat</Command>
+    </PreBuildEvent>
   </ItemDefinitionGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">
     <Midl>

contrib/vstudio/vc10/zlibvc.vcxproj.user

@@ -1,3 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
-</Project>

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contrib/vstudio/vc11/zlib.rc

@@ -0,0 +1,32 @@
+#include <windows.h>
+
+#define IDR_VERSION1  1
+IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
+  FILEVERSION	 1,2,8,0
+  PRODUCTVERSION 1,2,8,0
+  FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
+  FILEFLAGS	0
+  FILEOS	VOS_DOS_WINDOWS32
+  FILETYPE	VFT_DLL
+  FILESUBTYPE	0	// not used
+BEGIN
+  BLOCK "StringFileInfo"
+  BEGIN
+    BLOCK "040904E4"
+    //language ID = U.S. English, char set = Windows, Multilingual
+
+    BEGIN
+      VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
+      VALUE "FileVersion",	"1.2.8\0"
+      VALUE "InternalName",	"zlib\0"
+      VALUE "OriginalFilename",	"zlibwapi.dll\0"
+      VALUE "ProductName",	"ZLib.DLL\0"
+      VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
+      VALUE "LegalCopyright", "(C) 1995-2013 Jean-loup Gailly & Mark Adler\0"
+    END
+  END
+  BLOCK "VarFileInfo"
+  BEGIN
+    VALUE "Translation", 0x0409, 1252
+  END
+END

contrib/vstudio/vc11/zlibstat.vcxproj

@@ -0,0 +1,464 @@
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+      <PreprocessorDefinitions>ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeaderOutputFile>$(IntDir)zlibstat.pch</PrecompiledHeaderOutputFile>
+      <AssemblerListingLocation>$(IntDir)</AssemblerListingLocation>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <ProgramDataBaseFileName>$(OutDir)</ProgramDataBaseFileName>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </ClCompile>
+    <ResourceCompile>
+      <Culture>0x040c</Culture>
+    </ResourceCompile>
+    <Lib>
+      <AdditionalOptions>/MACHINE:AMD64 /NODEFAULTLIB %(AdditionalOptions)</AdditionalOptions>
+      <OutputFile>$(OutDir)zlibstat.lib</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Itanium'">
+    <Midl>
+      <TargetEnvironment>Itanium</TargetEnvironment>
+    </Midl>
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\..;..\..\masmx86;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>ZLIB_WINAPI;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeaderOutputFile>$(IntDir)zlibstat.pch</PrecompiledHeaderOutputFile>
+      <AssemblerListingLocation>$(IntDir)</AssemblerListingLocation>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <ProgramDataBaseFileName>$(OutDir)</ProgramDataBaseFileName>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </ClCompile>
+    <ResourceCompile>
+      <Culture>0x040c</Culture>
+    </ResourceCompile>
+    <Lib>
+      <AdditionalOptions>/MACHINE:IA64 /NODEFAULTLIB %(AdditionalOptions)</AdditionalOptions>
+      <OutputFile>$(OutDir)zlibstat.lib</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </Lib>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\adler32.c" />
+    <ClCompile Include="..\..\..\compress.c" />
+    <ClCompile Include="..\..\..\crc32.c" />
+    <ClCompile Include="..\..\..\deflate.c" />
+    <ClCompile Include="..\..\..\gzclose.c" />
+    <ClCompile Include="..\..\..\gzlib.c" />
+    <ClCompile Include="..\..\..\gzread.c" />
+    <ClCompile Include="..\..\..\gzwrite.c" />
+    <ClCompile Include="..\..\..\infback.c" />
+    <ClCompile Include="..\..\masmx64\inffas8664.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Itanium'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Itanium'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\..\..\inffast.c" />
+    <ClCompile Include="..\..\..\inflate.c" />
+    <ClCompile Include="..\..\..\inftrees.c" />
+    <ClCompile Include="..\..\minizip\ioapi.c" />
+    <ClCompile Include="..\..\..\trees.c" />
+    <ClCompile Include="..\..\..\uncompr.c" />
+    <ClCompile Include="..\..\minizip\unzip.c" />
+    <ClCompile Include="..\..\minizip\zip.c" />
+    <ClCompile Include="..\..\..\zutil.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="zlib.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="zlibvc.def" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

contrib/vstudio/vc11/zlibvc.def

@@ -0,0 +1,143 @@
+LIBRARY
+; zlib data compression and ZIP file I/O library
+
+VERSION		1.2.8
+
+EXPORTS
+        adler32                                  @1
+        compress                                 @2
+        crc32                                    @3
+        deflate                                  @4
+        deflateCopy                              @5
+        deflateEnd                               @6
+        deflateInit2_                            @7
+        deflateInit_                             @8
+        deflateParams                            @9
+        deflateReset                             @10
+        deflateSetDictionary                     @11
+        gzclose                                  @12
+        gzdopen                                  @13
+        gzerror                                  @14
+        gzflush                                  @15
+        gzopen                                   @16
+        gzread                                   @17
+        gzwrite                                  @18
+        inflate                                  @19
+        inflateEnd                               @20
+        inflateInit2_                            @21
+        inflateInit_                             @22
+        inflateReset                             @23
+        inflateSetDictionary                     @24
+        inflateSync                              @25
+        uncompress                               @26
+        zlibVersion                              @27
+        gzprintf                                 @28
+        gzputc                                   @29
+        gzgetc                                   @30
+        gzseek                                   @31
+        gzrewind                                 @32
+        gztell                                   @33
+        gzeof                                    @34
+        gzsetparams                              @35
+        zError                                   @36
+        inflateSyncPoint                         @37
+        get_crc_table                            @38
+        compress2                                @39
+        gzputs                                   @40
+        gzgets                                   @41
+        inflateCopy                              @42
+        inflateBackInit_                         @43
+        inflateBack                              @44
+        inflateBackEnd                           @45
+        compressBound                            @46
+        deflateBound                             @47
+        gzclearerr                               @48
+        gzungetc                                 @49
+        zlibCompileFlags                         @50
+        deflatePrime                             @51
+        deflatePending                           @52
+
+        unzOpen                                  @61
+        unzClose                                 @62
+        unzGetGlobalInfo                         @63
+        unzGetCurrentFileInfo                    @64
+        unzGoToFirstFile                         @65
+        unzGoToNextFile                          @66
+        unzOpenCurrentFile                       @67
+        unzReadCurrentFile                       @68
+        unzOpenCurrentFile3                      @69
+        unztell                                  @70
+        unzeof                                   @71
+        unzCloseCurrentFile                      @72
+        unzGetGlobalComment                      @73
+        unzStringFileNameCompare                 @74
+        unzLocateFile                            @75
+        unzGetLocalExtrafield                    @76
+        unzOpen2                                 @77
+        unzOpenCurrentFile2                      @78
+        unzOpenCurrentFilePassword               @79
+
+        zipOpen                                  @80
+        zipOpenNewFileInZip                      @81
+        zipWriteInFileInZip                      @82
+        zipCloseFileInZip                        @83
+        zipClose                                 @84
+        zipOpenNewFileInZip2                     @86
+        zipCloseFileInZipRaw                     @87
+        zipOpen2                                 @88
+        zipOpenNewFileInZip3                     @89
+
+        unzGetFilePos                            @100
+        unzGoToFilePos                           @101
+
+        fill_win32_filefunc                      @110
+
+; zlibwapi v1.2.4 added:
+        fill_win32_filefunc64                   @111
+        fill_win32_filefunc64A                  @112
+        fill_win32_filefunc64W                  @113
+
+        unzOpen64                               @120
+        unzOpen2_64                             @121
+        unzGetGlobalInfo64                      @122
+        unzGetCurrentFileInfo64                 @124
+        unzGetCurrentFileZStreamPos64           @125
+        unztell64                               @126
+        unzGetFilePos64                         @127
+        unzGoToFilePos64                        @128
+
+        zipOpen64                               @130
+        zipOpen2_64                             @131
+        zipOpenNewFileInZip64                   @132
+        zipOpenNewFileInZip2_64                 @133
+        zipOpenNewFileInZip3_64                 @134
+        zipOpenNewFileInZip4_64                 @135
+        zipCloseFileInZipRaw64                  @136
+
+; zlib1 v1.2.4 added:
+        adler32_combine                         @140
+        crc32_combine                           @142
+        deflateSetHeader                        @144
+        deflateTune                             @145
+        gzbuffer                                @146
+        gzclose_r                               @147
+        gzclose_w                               @148
+        gzdirect                                @149
+        gzoffset                                @150
+        inflateGetHeader                        @156
+        inflateMark                             @157
+        inflatePrime                            @158
+        inflateReset2                           @159
+        inflateUndermine                        @160
+
+; zlib1 v1.2.6 added:
+        gzgetc_                                 @161
+        inflateResetKeep                        @163
+        deflateResetKeep                        @164
+
+; zlib1 v1.2.7 added:
+        gzopen_w                                @165
+
+; zlib1 v1.2.8 added:
+        inflateGetDictionary                    @166
+        gzvprintf                               @167

contrib/vstudio/vc11/zlibvc.sln

@@ -0,0 +1,117 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio 2012
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibvc", "zlibvc.vcxproj", "{8FD826F8-3739-44E6-8CC8-997122E53B8D}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "zlibstat", "zlibstat.vcxproj", "{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlib", "testzlib.vcxproj", "{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "testzlibdll", "testzlibdll.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694366A}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "minizip", "minizip.vcxproj", "{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}"
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "miniunz", "miniunz.vcxproj", "{C52F9E7B-498A-42BE-8DB4-85A15694382A}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Itanium = Debug|Itanium
+		Debug|Win32 = Debug|Win32
+		Debug|x64 = Debug|x64
+		Release|Itanium = Release|Itanium
+		Release|Win32 = Release|Win32
+		Release|x64 = Release|x64
+		ReleaseWithoutAsm|Itanium = ReleaseWithoutAsm|Itanium
+		ReleaseWithoutAsm|Win32 = ReleaseWithoutAsm|Win32
+		ReleaseWithoutAsm|x64 = ReleaseWithoutAsm|x64
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Itanium.ActiveCfg = Debug|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.ActiveCfg = Debug|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|Win32.Build.0 = Debug|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.ActiveCfg = Debug|x64
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Debug|x64.Build.0 = Debug|x64
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Itanium.ActiveCfg = Release|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.ActiveCfg = Release|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|Win32.Build.0 = Release|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.ActiveCfg = Release|x64
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.Release|x64.Build.0 = Release|x64
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64
+		{8FD826F8-3739-44E6-8CC8-997122E53B8D}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Itanium.ActiveCfg = Debug|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.ActiveCfg = Debug|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|Win32.Build.0 = Debug|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.ActiveCfg = Debug|x64
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Debug|x64.Build.0 = Debug|x64
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Itanium.ActiveCfg = Release|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.ActiveCfg = Release|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|Win32.Build.0 = Release|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.ActiveCfg = Release|x64
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.Release|x64.Build.0 = Release|x64
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64
+		{745DEC58-EBB3-47A9-A9B8-4C6627C01BF8}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = ReleaseWithoutAsm|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = ReleaseWithoutAsm|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.Build.0 = ReleaseWithoutAsm|Win32
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = ReleaseWithoutAsm|x64
+		{AA6666AA-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.Build.0 = ReleaseWithoutAsm|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Itanium.ActiveCfg = Debug|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|Win32.Build.0 = Debug|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.ActiveCfg = Debug|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Debug|x64.Build.0 = Debug|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Itanium.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|Win32.Build.0 = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.ActiveCfg = Release|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.Release|x64.Build.0 = Release|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694366A}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Itanium.ActiveCfg = Debug|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.ActiveCfg = Debug|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|Win32.Build.0 = Debug|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.ActiveCfg = Debug|x64
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Debug|x64.Build.0 = Debug|x64
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Itanium.ActiveCfg = Release|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.ActiveCfg = Release|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|Win32.Build.0 = Release|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.ActiveCfg = Release|x64
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.Release|x64.Build.0 = Release|x64
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32
+		{48CDD9DC-E09F-4135-9C0C-4FE50C3C654B}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Itanium.ActiveCfg = Debug|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Win32.ActiveCfg = Debug|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|Win32.Build.0 = Debug|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|x64.ActiveCfg = Debug|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Debug|x64.Build.0 = Debug|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|Itanium.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|Win32.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|Win32.Build.0 = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|x64.ActiveCfg = Release|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.Release|x64.Build.0 = Release|x64
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm|Itanium.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm|Win32.ActiveCfg = Release|Win32
+		{C52F9E7B-498A-42BE-8DB4-85A15694382A}.ReleaseWithoutAsm|x64.ActiveCfg = Release|x64
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+EndGlobal

contrib/vstudio/vc11/zlibvc.vcxproj

@@ -0,0 +1,688 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Itanium">
+      <Configuration>Debug</Configuration>
+      <Platform>Itanium</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseWithoutAsm|Itanium">
+      <Configuration>ReleaseWithoutAsm</Configuration>
+      <Platform>Itanium</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseWithoutAsm|Win32">
+      <Configuration>ReleaseWithoutAsm</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="ReleaseWithoutAsm|x64">
+      <Configuration>ReleaseWithoutAsm</Configuration>
+      <Platform>x64</Platform>
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+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\..;..\..\masmx86;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeaderOutputFile>$(IntDir)zlibvc.pch</PrecompiledHeaderOutputFile>
+      <AssemblerOutput>All</AssemblerOutput>
+      <AssemblerListingLocation>$(IntDir)</AssemblerListingLocation>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <ProgramDataBaseFileName>$(OutDir)</ProgramDataBaseFileName>
+      <BrowseInformation>
+      </BrowseInformation>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x040c</Culture>
+    </ResourceCompile>
+    <Link>
+      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+      <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
+      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
+      <GenerateMapFile>true</GenerateMapFile>
+      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
+      <SubSystem>Windows</SubSystem>
+      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
+      <TargetMachine>MachineX64</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Itanium'">
+    <Midl>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>true</MkTypLibCompatible>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <TargetEnvironment>Itanium</TargetEnvironment>
+      <TypeLibraryName>$(OutDir)zlibvc.tlb</TypeLibraryName>
+    </Midl>
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\..;..\..\masmx86;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>WIN32;_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeaderOutputFile>$(IntDir)zlibvc.pch</PrecompiledHeaderOutputFile>
+      <AssemblerOutput>All</AssemblerOutput>
+      <AssemblerListingLocation>$(IntDir)</AssemblerListingLocation>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <ProgramDataBaseFileName>$(OutDir)</ProgramDataBaseFileName>
+      <BrowseInformation>
+      </BrowseInformation>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x040c</Culture>
+    </ResourceCompile>
+    <Link>
+      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+      <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
+      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
+      <GenerateMapFile>true</GenerateMapFile>
+      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
+      <SubSystem>Windows</SubSystem>
+      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
+      <TargetMachine>MachineIA64</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Midl>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>true</MkTypLibCompatible>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <TargetEnvironment>X64</TargetEnvironment>
+      <TypeLibraryName>$(OutDir)zlibvc.tlb</TypeLibraryName>
+    </Midl>
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\..;..\..\masmx86;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;ASMV;ASMINF;WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeaderOutputFile>$(IntDir)zlibvc.pch</PrecompiledHeaderOutputFile>
+      <AssemblerOutput>All</AssemblerOutput>
+      <AssemblerListingLocation>$(IntDir)</AssemblerListingLocation>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <ProgramDataBaseFileName>$(OutDir)</ProgramDataBaseFileName>
+      <BrowseInformation>
+      </BrowseInformation>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x040c</Culture>
+    </ResourceCompile>
+    <Link>
+      <AdditionalDependencies>..\..\masmx64\gvmat64.obj;..\..\masmx64\inffasx64.obj;%(AdditionalDependencies)</AdditionalDependencies>
+      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+      <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
+      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
+      <GenerateMapFile>true</GenerateMapFile>
+      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
+      <SubSystem>Windows</SubSystem>
+      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
+      <TargetMachine>MachineX64</TargetMachine>
+    </Link>
+    <PreBuildEvent>
+      <Command>cd ..\..\masmx64
+bld_ml64.bat</Command>
+    </PreBuildEvent>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">
+    <Midl>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <MkTypLibCompatible>true</MkTypLibCompatible>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <TargetEnvironment>Itanium</TargetEnvironment>
+      <TypeLibraryName>$(OutDir)zlibvc.tlb</TypeLibraryName>
+    </Midl>
+    <ClCompile>
+      <InlineFunctionExpansion>OnlyExplicitInline</InlineFunctionExpansion>
+      <AdditionalIncludeDirectories>..\..\..;..\..\masmx86;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions>_CRT_NONSTDC_NO_DEPRECATE;_CRT_SECURE_NO_DEPRECATE;_CRT_NONSTDC_NO_WARNINGS;ZLIB_WINAPI;WIN64;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <StringPooling>true</StringPooling>
+      <ExceptionHandling>
+      </ExceptionHandling>
+      <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
+      <BufferSecurityCheck>false</BufferSecurityCheck>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <PrecompiledHeaderOutputFile>$(IntDir)zlibvc.pch</PrecompiledHeaderOutputFile>
+      <AssemblerOutput>All</AssemblerOutput>
+      <AssemblerListingLocation>$(IntDir)</AssemblerListingLocation>
+      <ObjectFileName>$(IntDir)</ObjectFileName>
+      <ProgramDataBaseFileName>$(OutDir)</ProgramDataBaseFileName>
+      <BrowseInformation>
+      </BrowseInformation>
+      <WarningLevel>Level3</WarningLevel>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+    </ClCompile>
+    <ResourceCompile>
+      <PreprocessorDefinitions>NDEBUG;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <Culture>0x040c</Culture>
+    </ResourceCompile>
+    <Link>
+      <OutputFile>$(OutDir)zlibwapi.dll</OutputFile>
+      <SuppressStartupBanner>true</SuppressStartupBanner>
+      <IgnoreAllDefaultLibraries>false</IgnoreAllDefaultLibraries>
+      <ModuleDefinitionFile>.\zlibvc.def</ModuleDefinitionFile>
+      <ProgramDatabaseFile>$(OutDir)zlibwapi.pdb</ProgramDatabaseFile>
+      <GenerateMapFile>true</GenerateMapFile>
+      <MapFileName>$(OutDir)zlibwapi.map</MapFileName>
+      <SubSystem>Windows</SubSystem>
+      <ImportLibrary>$(OutDir)zlibwapi.lib</ImportLibrary>
+      <TargetMachine>MachineIA64</TargetMachine>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="..\..\..\adler32.c" />
+    <ClCompile Include="..\..\..\compress.c" />
+    <ClCompile Include="..\..\..\crc32.c" />
+    <ClCompile Include="..\..\..\deflate.c" />
+    <ClCompile Include="..\..\..\gzclose.c" />
+    <ClCompile Include="..\..\..\gzlib.c" />
+    <ClCompile Include="..\..\..\gzread.c" />
+    <ClCompile Include="..\..\..\gzwrite.c" />
+    <ClCompile Include="..\..\..\infback.c" />
+    <ClCompile Include="..\..\masmx64\inffas8664.c">
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Itanium'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Itanium'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='ReleaseWithoutAsm|Win32'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">true</ExcludedFromBuild>
+      <ExcludedFromBuild Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">true</ExcludedFromBuild>
+    </ClCompile>
+    <ClCompile Include="..\..\..\inffast.c" />
+    <ClCompile Include="..\..\..\inflate.c" />
+    <ClCompile Include="..\..\..\inftrees.c" />
+    <ClCompile Include="..\..\minizip\ioapi.c" />
+    <ClCompile Include="..\..\minizip\iowin32.c" />
+    <ClCompile Include="..\..\..\trees.c" />
+    <ClCompile Include="..\..\..\uncompr.c" />
+    <ClCompile Include="..\..\minizip\unzip.c">
+      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">ZLIB_INTERNAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">ZLIB_INTERNAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|x64'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|x64'">ZLIB_INTERNAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <ClCompile Include="..\..\minizip\zip.c">
+      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Itanium'">ZLIB_INTERNAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">ZLIB_INTERNAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <AdditionalIncludeDirectories Condition="'$(Configuration)|$(Platform)'=='Release|x64'">%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <PreprocessorDefinitions Condition="'$(Configuration)|$(Platform)'=='Release|x64'">ZLIB_INTERNAL;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+    </ClCompile>
+    <ClCompile Include="..\..\..\zutil.c" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="zlib.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <None Include="zlibvc.def" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\..\..\deflate.h" />
+    <ClInclude Include="..\..\..\infblock.h" />
+    <ClInclude Include="..\..\..\infcodes.h" />
+    <ClInclude Include="..\..\..\inffast.h" />
+    <ClInclude Include="..\..\..\inftrees.h" />
+    <ClInclude Include="..\..\..\infutil.h" />
+    <ClInclude Include="..\..\..\zconf.h" />
+    <ClInclude Include="..\..\..\zlib.h" />
+    <ClInclude Include="..\..\..\zutil.h" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

contrib/vstudio/vc9/zlib.rc

@@ -2,8 +2,8 @@
 
 #define IDR_VERSION1  1
 IDR_VERSION1	VERSIONINFO	MOVEABLE IMPURE LOADONCALL DISCARDABLE
-  FILEVERSION	 1,2,4,0
-  PRODUCTVERSION 1,2,4,0
+  FILEVERSION	 1,2,8,0
+  PRODUCTVERSION 1,2,8,0
   FILEFLAGSMASK	VS_FFI_FILEFLAGSMASK
   FILEFLAGS	0
   FILEOS	VOS_DOS_WINDOWS32
@@ -17,12 +17,12 @@ BEGIN
 
     BEGIN
       VALUE "FileDescription", "zlib data compression and ZIP file I/O library\0"
-      VALUE "FileVersion",	"1.2.4.0\0"
+      VALUE "FileVersion",	"1.2.8\0"
       VALUE "InternalName",	"zlib\0"
-      VALUE "OriginalFilename",	"zlib.dll\0"
+      VALUE "OriginalFilename",	"zlibwapi.dll\0"
       VALUE "ProductName",	"ZLib.DLL\0"
       VALUE "Comments","DLL support by Alessandro Iacopetti & Gilles Vollant\0"
-      VALUE "LegalCopyright", "(C) 1995-2010 Jean-loup Gailly & Mark Adler\0"
+      VALUE "LegalCopyright", "(C) 1995-2013 Jean-loup Gailly & Mark Adler\0"
     END
   END
   BLOCK "VarFileInfo"

contrib/vstudio/vc9/zlibvc.def

@@ -1,7 +1,7 @@
 LIBRARY
 ; zlib data compression and ZIP file I/O library
 
-VERSION		1.24
+VERSION		1.2.8
 
 EXPORTS
         adler32                                  @1
@@ -55,6 +55,7 @@ EXPORTS
         gzungetc                                 @49
         zlibCompileFlags                         @50
         deflatePrime                             @51
+        deflatePending                           @52
 
         unzOpen                                  @61
         unzClose                                 @62
@@ -115,9 +116,7 @@ EXPORTS
 
 ; zlib1 v1.2.4 added:
         adler32_combine                         @140
-        adler32_combine64                       @141
         crc32_combine                           @142
-        crc32_combine64                         @143
         deflateSetHeader                        @144
         deflateTune                             @145
         gzbuffer                                @146
@@ -125,12 +124,20 @@ EXPORTS
         gzclose_w                               @148
         gzdirect                                @149
         gzoffset                                @150
-        gzoffset64                              @151
-        gzopen64                                @152
-        gzseek64                                @153
-        gztell64                                @154
         inflateGetHeader                        @156
         inflateMark                             @157
         inflatePrime                            @158
         inflateReset2                           @159
         inflateUndermine                        @160
+
+; zlib1 v1.2.6 added:
+        gzgetc_                                 @161
+        inflateResetKeep                        @163
+        deflateResetKeep                        @164
+
+; zlib1 v1.2.7 added:
+        gzopen_w                                @165
+
+; zlib1 v1.2.8 added:
+        inflateGetDictionary                    @166
+        gzvprintf                               @167

crc32.c

@@ -1,5 +1,5 @@
 /* crc32.c -- compute the CRC-32 of a data stream
- * Copyright (C) 1995-2006 Mark Adler
+ * Copyright (C) 1995-2006, 2010, 2011, 2012 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  *
  * Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster
@@ -17,6 +17,8 @@
   of the crc tables.  Therefore, if you #define DYNAMIC_CRC_TABLE, you should
   first call get_crc_table() to initialize the tables before allowing more than
   one thread to use crc32().
+
+  DYNAMIC_CRC_TABLE and MAKECRCH can be #defined to write out crc32.h.
  */
 
 #ifdef MAKECRCH
@@ -30,31 +32,11 @@
 
 #define local static
 
-/* Find a four-byte integer type for crc32_little() and crc32_big(). */
-#ifndef NOBYFOUR
-#  ifdef STDC           /* need ANSI C limits.h to determine sizes */
-#    include <limits.h>
-#    define BYFOUR
-#    if (UINT_MAX == 0xffffffffUL)
-       typedef unsigned int u4;
-#    else
-#      if (ULONG_MAX == 0xffffffffUL)
-         typedef unsigned long u4;
-#      else
-#        if (USHRT_MAX == 0xffffffffUL)
-           typedef unsigned short u4;
-#        else
-#          undef BYFOUR     /* can't find a four-byte integer type! */
-#        endif
-#      endif
-#    endif
-#  endif /* STDC */
-#endif /* !NOBYFOUR */
-
 /* Definitions for doing the crc four data bytes at a time. */
+#if !defined(NOBYFOUR) && defined(Z_U4)
+#  define BYFOUR
+#endif
 #ifdef BYFOUR
-#  define REV(w) ((((w)>>24)&0xff)+(((w)>>8)&0xff00)+ \
-                (((w)&0xff00)<<8)+(((w)&0xff)<<24))
    local unsigned long crc32_little OF((unsigned long,
                         const unsigned char FAR *, unsigned));
    local unsigned long crc32_big OF((unsigned long,
@@ -68,16 +50,16 @@
 local unsigned long gf2_matrix_times OF((unsigned long *mat,
                                          unsigned long vec));
 local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat));
-local uLong crc32_combine_(uLong crc1, uLong crc2, z_off64_t len2);
+local uLong crc32_combine_ OF((uLong crc1, uLong crc2, z_off64_t len2));
 
 
 #ifdef DYNAMIC_CRC_TABLE
 
 local volatile int crc_table_empty = 1;
-local unsigned long FAR crc_table[TBLS][256];
+local z_crc_t FAR crc_table[TBLS][256];
 local void make_crc_table OF((void));
 #ifdef MAKECRCH
-   local void write_table OF((FILE *, const unsigned long FAR *));
+   local void write_table OF((FILE *, const z_crc_t FAR *));
 #endif /* MAKECRCH */
 /*
   Generate tables for a byte-wise 32-bit CRC calculation on the polynomial:
@@ -107,9 +89,9 @@ local void make_crc_table OF((void));
 */
 local void make_crc_table()
 {
-    unsigned long c;
+    z_crc_t c;
     int n, k;
-    unsigned long poly;                 /* polynomial exclusive-or pattern */
+    z_crc_t poly;                       /* polynomial exclusive-or pattern */
     /* terms of polynomial defining this crc (except x^32): */
     static volatile int first = 1;      /* flag to limit concurrent making */
     static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
@@ -121,13 +103,13 @@ local void make_crc_table()
         first = 0;
 
         /* make exclusive-or pattern from polynomial (0xedb88320UL) */
-        poly = 0UL;
-        for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++)
-            poly |= 1UL << (31 - p[n]);
+        poly = 0;
+        for (n = 0; n < (int)(sizeof(p)/sizeof(unsigned char)); n++)
+            poly |= (z_crc_t)1 << (31 - p[n]);
 
         /* generate a crc for every 8-bit value */
         for (n = 0; n < 256; n++) {
-            c = (unsigned long)n;
+            c = (z_crc_t)n;
             for (k = 0; k < 8; k++)
                 c = c & 1 ? poly ^ (c >> 1) : c >> 1;
             crc_table[0][n] = c;
@@ -138,11 +120,11 @@ local void make_crc_table()
            and then the byte reversal of those as well as the first table */
         for (n = 0; n < 256; n++) {
             c = crc_table[0][n];
-            crc_table[4][n] = REV(c);
+            crc_table[4][n] = ZSWAP32(c);
             for (k = 1; k < 4; k++) {
                 c = crc_table[0][c & 0xff] ^ (c >> 8);
                 crc_table[k][n] = c;
-                crc_table[k + 4][n] = REV(c);
+                crc_table[k + 4][n] = ZSWAP32(c);
             }
         }
 #endif /* BYFOUR */
@@ -164,7 +146,7 @@ local void make_crc_table()
         if (out == NULL) return;
         fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n");
         fprintf(out, " * Generated automatically by crc32.c\n */\n\n");
-        fprintf(out, "local const unsigned long FAR ");
+        fprintf(out, "local const z_crc_t FAR ");
         fprintf(out, "crc_table[TBLS][256] =\n{\n  {\n");
         write_table(out, crc_table[0]);
 #  ifdef BYFOUR
@@ -184,12 +166,13 @@ local void make_crc_table()
 #ifdef MAKECRCH
 local void write_table(out, table)
     FILE *out;
-    const unsigned long FAR *table;
+    const z_crc_t FAR *table;
 {
     int n;
 
     for (n = 0; n < 256; n++)
-        fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : "    ", table[n],
+        fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : "    ",
+                (unsigned long)(table[n]),
                 n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", "));
 }
 #endif /* MAKECRCH */
@@ -204,13 +187,13 @@ local void write_table(out, table)
 /* =========================================================================
  * This function can be used by asm versions of crc32()
  */
-const unsigned long FAR * ZEXPORT get_crc_table()
+const z_crc_t FAR * ZEXPORT get_crc_table()
 {
 #ifdef DYNAMIC_CRC_TABLE
     if (crc_table_empty)
         make_crc_table();
 #endif /* DYNAMIC_CRC_TABLE */
-    return (const unsigned long FAR *)crc_table;
+    return (const z_crc_t FAR *)crc_table;
 }
 
 /* ========================================================================= */
@@ -221,7 +204,7 @@ const unsigned long FAR * ZEXPORT get_crc_table()
 unsigned long ZEXPORT crc32(crc, buf, len)
     unsigned long crc;
     const unsigned char FAR *buf;
-    unsigned len;
+    uInt len;
 {
     if (buf == Z_NULL) return 0UL;
 
@@ -232,7 +215,7 @@ unsigned long ZEXPORT crc32(crc, buf, len)
 
 #ifdef BYFOUR
     if (sizeof(void *) == sizeof(ptrdiff_t)) {
-        u4 endian;
+        z_crc_t endian;
 
         endian = 1;
         if (*((unsigned char *)(&endian)))
@@ -266,17 +249,17 @@ local unsigned long crc32_little(crc, buf, len)
     const unsigned char FAR *buf;
     unsigned len;
 {
-    register u4 c;
-    register const u4 FAR *buf4;
+    register z_crc_t c;
+    register const z_crc_t FAR *buf4;
 
-    c = (u4)crc;
+    c = (z_crc_t)crc;
     c = ~c;
     while (len && ((ptrdiff_t)buf & 3)) {
         c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
         len--;
     }
 
-    buf4 = (const u4 FAR *)(const void FAR *)buf;
+    buf4 = (const z_crc_t FAR *)(const void FAR *)buf;
     while (len >= 32) {
         DOLIT32;
         len -= 32;
@@ -306,17 +289,17 @@ local unsigned long crc32_big(crc, buf, len)
     const unsigned char FAR *buf;
     unsigned len;
 {
-    register u4 c;
-    register const u4 FAR *buf4;
+    register z_crc_t c;
+    register const z_crc_t FAR *buf4;
 
-    c = REV((u4)crc);
+    c = ZSWAP32((z_crc_t)crc);
     c = ~c;
     while (len && ((ptrdiff_t)buf & 3)) {
         c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
         len--;
     }
 
-    buf4 = (const u4 FAR *)(const void FAR *)buf;
+    buf4 = (const z_crc_t FAR *)(const void FAR *)buf;
     buf4--;
     while (len >= 32) {
         DOBIG32;
@@ -333,7 +316,7 @@ local unsigned long crc32_big(crc, buf, len)
         c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
     } while (--len);
     c = ~c;
-    return (unsigned long)(REV(c));
+    return (unsigned long)(ZSWAP32(c));
 }
 
 #endif /* BYFOUR */

crc32.h

@@ -2,7 +2,7 @@
  * Generated automatically by crc32.c
  */
 
-local const unsigned long FAR crc_table[TBLS][256] =
+local const z_crc_t FAR crc_table[TBLS][256] =
 {
   {
     0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,

deflate.c

@@ -1,5 +1,5 @@
 /* deflate.c -- compress data using the deflation algorithm
- * Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler
+ * Copyright (C) 1995-2013 Jean-loup Gailly and Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -37,7 +37,7 @@
  *  REFERENCES
  *
  *      Deutsch, L.P.,"DEFLATE Compressed Data Format Specification".
- *      Available in http://www.ietf.org/rfc/rfc1951.txt
+ *      Available in http://tools.ietf.org/html/rfc1951
  *
  *      A description of the Rabin and Karp algorithm is given in the book
  *         "Algorithms" by R. Sedgewick, Addison-Wesley, p252.
@@ -52,7 +52,7 @@
 #include "deflate.h"
 
 const char deflate_copyright[] =
-   " deflate 1.2.4 Copyright 1995-2010 Jean-loup Gailly and Mark Adler ";
+   " deflate 1.2.8 Copyright 1995-2013 Jean-loup Gailly and Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
@@ -155,6 +155,9 @@ local const config configuration_table[10] = {
 struct static_tree_desc_s {int dummy;}; /* for buggy compilers */
 #endif
 
+/* rank Z_BLOCK between Z_NO_FLUSH and Z_PARTIAL_FLUSH */
+#define RANK(f) (((f) << 1) - ((f) > 4 ? 9 : 0))
+
 /* ===========================================================================
  * Update a hash value with the given input byte
  * IN  assertion: all calls to to UPDATE_HASH are made with consecutive
@@ -235,10 +238,19 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
 
     strm->msg = Z_NULL;
     if (strm->zalloc == (alloc_func)0) {
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
         strm->zalloc = zcalloc;
         strm->opaque = (voidpf)0;
+#endif
     }
-    if (strm->zfree == (free_func)0) strm->zfree = zcfree;
+    if (strm->zfree == (free_func)0)
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
+        strm->zfree = zcfree;
+#endif
 
 #ifdef FASTEST
     if (level != 0) level = 1;
@@ -293,7 +305,7 @@ int ZEXPORT deflateInit2_(strm, level, method, windowBits, memLevel, strategy,
     if (s->window == Z_NULL || s->prev == Z_NULL || s->head == Z_NULL ||
         s->pending_buf == Z_NULL) {
         s->status = FINISH_STATE;
-        strm->msg = (char*)ERR_MSG(Z_MEM_ERROR);
+        strm->msg = ERR_MSG(Z_MEM_ERROR);
         deflateEnd (strm);
         return Z_MEM_ERROR;
     }
@@ -314,43 +326,70 @@ int ZEXPORT deflateSetDictionary (strm, dictionary, dictLength)
     uInt  dictLength;
 {
     deflate_state *s;
-    uInt length = dictLength;
-    uInt n;
-    IPos hash_head = 0;
+    uInt str, n;
+    int wrap;
+    unsigned avail;
+    z_const unsigned char *next;
 
-    if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL ||
-        strm->state->wrap == 2 ||
-        (strm->state->wrap == 1 && strm->state->status != INIT_STATE))
+    if (strm == Z_NULL || strm->state == Z_NULL || dictionary == Z_NULL)
+        return Z_STREAM_ERROR;
+    s = strm->state;
+    wrap = s->wrap;
+    if (wrap == 2 || (wrap == 1 && s->status != INIT_STATE) || s->lookahead)
         return Z_STREAM_ERROR;
 
-    s = strm->state;
-    if (s->wrap)
+    /* when using zlib wrappers, compute Adler-32 for provided dictionary */
+    if (wrap == 1)
         strm->adler = adler32(strm->adler, dictionary, dictLength);
+    s->wrap = 0;                    /* avoid computing Adler-32 in read_buf */
 
-    if (length < MIN_MATCH) return Z_OK;
-    if (length > s->w_size) {
-        length = s->w_size;
-        dictionary += dictLength - length; /* use the tail of the dictionary */
+    /* if dictionary would fill window, just replace the history */
+    if (dictLength >= s->w_size) {
+        if (wrap == 0) {            /* already empty otherwise */
+            CLEAR_HASH(s);
+            s->strstart = 0;
+            s->block_start = 0L;
+            s->insert = 0;
+        }
+        dictionary += dictLength - s->w_size;  /* use the tail */
+        dictLength = s->w_size;
     }
-    zmemcpy(s->window, dictionary, length);
-    s->strstart = length;
-    s->block_start = (long)length;
 
-    /* Insert all strings in the hash table (except for the last two bytes).
-     * s->lookahead stays null, so s->ins_h will be recomputed at the next
-     * call of fill_window.
-     */
-    s->ins_h = s->window[0];
-    UPDATE_HASH(s, s->ins_h, s->window[1]);
-    for (n = 0; n <= length - MIN_MATCH; n++) {
-        INSERT_STRING(s, n, hash_head);
+    /* insert dictionary into window and hash */
+    avail = strm->avail_in;
+    next = strm->next_in;
+    strm->avail_in = dictLength;
+    strm->next_in = (z_const Bytef *)dictionary;
+    fill_window(s);
+    while (s->lookahead >= MIN_MATCH) {
+        str = s->strstart;
+        n = s->lookahead - (MIN_MATCH-1);
+        do {
+            UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]);
+#ifndef FASTEST
+            s->prev[str & s->w_mask] = s->head[s->ins_h];
+#endif
+            s->head[s->ins_h] = (Pos)str;
+            str++;
+        } while (--n);
+        s->strstart = str;
+        s->lookahead = MIN_MATCH-1;
+        fill_window(s);
     }
-    if (hash_head) hash_head = 0;  /* to make compiler happy */
+    s->strstart += s->lookahead;
+    s->block_start = (long)s->strstart;
+    s->insert = s->lookahead;
+    s->lookahead = 0;
+    s->match_length = s->prev_length = MIN_MATCH-1;
+    s->match_available = 0;
+    strm->next_in = next;
+    strm->avail_in = avail;
+    s->wrap = wrap;
     return Z_OK;
 }
 
 /* ========================================================================= */
-int ZEXPORT deflateReset (strm)
+int ZEXPORT deflateResetKeep (strm)
     z_streamp strm;
 {
     deflate_state *s;
@@ -380,11 +419,22 @@ int ZEXPORT deflateReset (strm)
     s->last_flush = Z_NO_FLUSH;
 
     _tr_init(s);
-    lm_init(s);
 
     return Z_OK;
 }
 
+/* ========================================================================= */
+int ZEXPORT deflateReset (strm)
+    z_streamp strm;
+{
+    int ret;
+
+    ret = deflateResetKeep(strm);
+    if (ret == Z_OK)
+        lm_init(strm->state);
+    return ret;
+}
+
 /* ========================================================================= */
 int ZEXPORT deflateSetHeader (strm, head)
     z_streamp strm;
@@ -396,15 +446,43 @@ int ZEXPORT deflateSetHeader (strm, head)
     return Z_OK;
 }
 
+/* ========================================================================= */
+int ZEXPORT deflatePending (strm, pending, bits)
+    unsigned *pending;
+    int *bits;
+    z_streamp strm;
+{
+    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
+    if (pending != Z_NULL)
+        *pending = strm->state->pending;
+    if (bits != Z_NULL)
+        *bits = strm->state->bi_valid;
+    return Z_OK;
+}
+
 /* ========================================================================= */
 int ZEXPORT deflatePrime (strm, bits, value)
     z_streamp strm;
     int bits;
     int value;
 {
+    deflate_state *s;
+    int put;
+
     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
-    strm->state->bi_valid = bits;
-    strm->state->bi_buf = (ush)(value & ((1 << bits) - 1));
+    s = strm->state;
+    if ((Bytef *)(s->d_buf) < s->pending_out + ((Buf_size + 7) >> 3))
+        return Z_BUF_ERROR;
+    do {
+        put = Buf_size - s->bi_valid;
+        if (put > bits)
+            put = bits;
+        s->bi_buf |= (ush)((value & ((1 << put) - 1)) << s->bi_valid);
+        s->bi_valid += put;
+        _tr_flush_bits(s);
+        value >>= put;
+        bits -= put;
+    } while (bits);
     return Z_OK;
 }
 
@@ -435,6 +513,8 @@ int ZEXPORT deflateParams(strm, level, strategy)
         strm->total_in != 0) {
         /* Flush the last buffer: */
         err = deflate(strm, Z_BLOCK);
+        if (err == Z_BUF_ERROR && s->pending == 0)
+            err = Z_OK;
     }
     if (s->level != level) {
         s->level = level;
@@ -562,19 +642,22 @@ local void putShortMSB (s, b)
 local void flush_pending(strm)
     z_streamp strm;
 {
-    unsigned len = strm->state->pending;
+    unsigned len;
+    deflate_state *s = strm->state;
 
+    _tr_flush_bits(s);
+    len = s->pending;
     if (len > strm->avail_out) len = strm->avail_out;
     if (len == 0) return;
 
-    zmemcpy(strm->next_out, strm->state->pending_out, len);
+    zmemcpy(strm->next_out, s->pending_out, len);
     strm->next_out  += len;
-    strm->state->pending_out  += len;
+    s->pending_out  += len;
     strm->total_out += len;
     strm->avail_out  -= len;
-    strm->state->pending -= len;
-    if (strm->state->pending == 0) {
-        strm->state->pending_out = strm->state->pending_buf;
+    s->pending -= len;
+    if (s->pending == 0) {
+        s->pending_out = s->pending_buf;
     }
 }
 
@@ -801,7 +884,7 @@ int ZEXPORT deflate (strm, flush)
      * flushes. For repeated and useless calls with Z_FINISH, we keep
      * returning Z_STREAM_END instead of Z_BUF_ERROR.
      */
-    } else if (strm->avail_in == 0 && flush <= old_flush &&
+    } else if (strm->avail_in == 0 && RANK(flush) <= RANK(old_flush) &&
                flush != Z_FINISH) {
         ERR_RETURN(strm, Z_BUF_ERROR);
     }
@@ -850,6 +933,7 @@ int ZEXPORT deflate (strm, flush)
                     if (s->lookahead == 0) {
                         s->strstart = 0;
                         s->block_start = 0L;
+                        s->insert = 0;
                     }
                 }
             }
@@ -945,12 +1029,12 @@ int ZEXPORT deflateCopy (dest, source)
 
     ss = source->state;
 
-    zmemcpy(dest, source, sizeof(z_stream));
+    zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream));
 
     ds = (deflate_state *) ZALLOC(dest, 1, sizeof(deflate_state));
     if (ds == Z_NULL) return Z_MEM_ERROR;
     dest->state = (struct internal_state FAR *) ds;
-    zmemcpy(ds, ss, sizeof(deflate_state));
+    zmemcpy((voidpf)ds, (voidpf)ss, sizeof(deflate_state));
     ds->strm = dest;
 
     ds->window = (Bytef *) ZALLOC(dest, ds->w_size, 2*sizeof(Byte));
@@ -966,8 +1050,8 @@ int ZEXPORT deflateCopy (dest, source)
     }
     /* following zmemcpy do not work for 16-bit MSDOS */
     zmemcpy(ds->window, ss->window, ds->w_size * 2 * sizeof(Byte));
-    zmemcpy(ds->prev, ss->prev, ds->w_size * sizeof(Pos));
-    zmemcpy(ds->head, ss->head, ds->hash_size * sizeof(Pos));
+    zmemcpy((voidpf)ds->prev, (voidpf)ss->prev, ds->w_size * sizeof(Pos));
+    zmemcpy((voidpf)ds->head, (voidpf)ss->head, ds->hash_size * sizeof(Pos));
     zmemcpy(ds->pending_buf, ss->pending_buf, (uInt)ds->pending_buf_size);
 
     ds->pending_out = ds->pending_buf + (ss->pending_out - ss->pending_buf);
@@ -1001,15 +1085,15 @@ local int read_buf(strm, buf, size)
 
     strm->avail_in  -= len;
 
+    zmemcpy(buf, strm->next_in, len);
     if (strm->state->wrap == 1) {
-        strm->adler = adler32(strm->adler, strm->next_in, len);
+        strm->adler = adler32(strm->adler, buf, len);
     }
 #ifdef GZIP
     else if (strm->state->wrap == 2) {
-        strm->adler = crc32(strm->adler, strm->next_in, len);
+        strm->adler = crc32(strm->adler, buf, len);
     }
 #endif
-    zmemcpy(buf, strm->next_in, len);
     strm->next_in  += len;
     strm->total_in += len;
 
@@ -1036,6 +1120,7 @@ local void lm_init (s)
     s->strstart = 0;
     s->block_start = 0L;
     s->lookahead = 0;
+    s->insert = 0;
     s->match_length = s->prev_length = MIN_MATCH-1;
     s->match_available = 0;
     s->ins_h = 0;
@@ -1310,6 +1395,8 @@ local void fill_window(s)
     unsigned more;    /* Amount of free space at the end of the window. */
     uInt wsize = s->w_size;
 
+    Assert(s->lookahead < MIN_LOOKAHEAD, "already enough lookahead");
+
     do {
         more = (unsigned)(s->window_size -(ulg)s->lookahead -(ulg)s->strstart);
 
@@ -1362,7 +1449,7 @@ local void fill_window(s)
 #endif
             more += wsize;
         }
-        if (s->strm->avail_in == 0) return;
+        if (s->strm->avail_in == 0) break;
 
         /* If there was no sliding:
          *    strstart <= WSIZE+MAX_DIST-1 && lookahead <= MIN_LOOKAHEAD - 1 &&
@@ -1381,12 +1468,24 @@ local void fill_window(s)
         s->lookahead += n;
 
         /* Initialize the hash value now that we have some input: */
-        if (s->lookahead >= MIN_MATCH) {
-            s->ins_h = s->window[s->strstart];
-            UPDATE_HASH(s, s->ins_h, s->window[s->strstart+1]);
+        if (s->lookahead + s->insert >= MIN_MATCH) {
+            uInt str = s->strstart - s->insert;
+            s->ins_h = s->window[str];
+            UPDATE_HASH(s, s->ins_h, s->window[str + 1]);
 #if MIN_MATCH != 3
             Call UPDATE_HASH() MIN_MATCH-3 more times
 #endif
+            while (s->insert) {
+                UPDATE_HASH(s, s->ins_h, s->window[str + MIN_MATCH-1]);
+#ifndef FASTEST
+                s->prev[str & s->w_mask] = s->head[s->ins_h];
+#endif
+                s->head[s->ins_h] = (Pos)str;
+                str++;
+                s->insert--;
+                if (s->lookahead + s->insert < MIN_MATCH)
+                    break;
+            }
         }
         /* If the whole input has less than MIN_MATCH bytes, ins_h is garbage,
          * but this is not important since only literal bytes will be emitted.
@@ -1427,6 +1526,9 @@ local void fill_window(s)
             s->high_water += init;
         }
     }
+
+    Assert((ulg)s->strstart <= s->window_size - MIN_LOOKAHEAD,
+           "not enough room for search");
 }
 
 /* ===========================================================================
@@ -1506,8 +1608,14 @@ local block_state deflate_stored(s, flush)
             FLUSH_BLOCK(s, 0);
         }
     }
-    FLUSH_BLOCK(s, flush == Z_FINISH);
-    return flush == Z_FINISH ? finish_done : block_done;
+    s->insert = 0;
+    if (flush == Z_FINISH) {
+        FLUSH_BLOCK(s, 1);
+        return finish_done;
+    }
+    if ((long)s->strstart > s->block_start)
+        FLUSH_BLOCK(s, 0);
+    return block_done;
 }
 
 /* ===========================================================================
@@ -1603,8 +1711,14 @@ local block_state deflate_fast(s, flush)
         }
         if (bflush) FLUSH_BLOCK(s, 0);
     }
-    FLUSH_BLOCK(s, flush == Z_FINISH);
-    return flush == Z_FINISH ? finish_done : block_done;
+    s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1;
+    if (flush == Z_FINISH) {
+        FLUSH_BLOCK(s, 1);
+        return finish_done;
+    }
+    if (s->last_lit)
+        FLUSH_BLOCK(s, 0);
+    return block_done;
 }
 
 #ifndef FASTEST
@@ -1728,8 +1842,14 @@ local block_state deflate_slow(s, flush)
         _tr_tally_lit(s, s->window[s->strstart-1], bflush);
         s->match_available = 0;
     }
-    FLUSH_BLOCK(s, flush == Z_FINISH);
-    return flush == Z_FINISH ? finish_done : block_done;
+    s->insert = s->strstart < MIN_MATCH-1 ? s->strstart : MIN_MATCH-1;
+    if (flush == Z_FINISH) {
+        FLUSH_BLOCK(s, 1);
+        return finish_done;
+    }
+    if (s->last_lit)
+        FLUSH_BLOCK(s, 0);
+    return block_done;
 }
 #endif /* FASTEST */
 
@@ -1749,11 +1869,11 @@ local block_state deflate_rle(s, flush)
     for (;;) {
         /* Make sure that we always have enough lookahead, except
          * at the end of the input file. We need MAX_MATCH bytes
-         * for the longest encodable run.
+         * for the longest run, plus one for the unrolled loop.
          */
-        if (s->lookahead < MAX_MATCH) {
+        if (s->lookahead <= MAX_MATCH) {
             fill_window(s);
-            if (s->lookahead < MAX_MATCH && flush == Z_NO_FLUSH) {
+            if (s->lookahead <= MAX_MATCH && flush == Z_NO_FLUSH) {
                 return need_more;
             }
             if (s->lookahead == 0) break; /* flush the current block */
@@ -1776,6 +1896,7 @@ local block_state deflate_rle(s, flush)
                 if (s->match_length > s->lookahead)
                     s->match_length = s->lookahead;
             }
+            Assert(scan <= s->window+(uInt)(s->window_size-1), "wild scan");
         }
 
         /* Emit match if have run of MIN_MATCH or longer, else emit literal */
@@ -1796,8 +1917,14 @@ local block_state deflate_rle(s, flush)
         }
         if (bflush) FLUSH_BLOCK(s, 0);
     }
-    FLUSH_BLOCK(s, flush == Z_FINISH);
-    return flush == Z_FINISH ? finish_done : block_done;
+    s->insert = 0;
+    if (flush == Z_FINISH) {
+        FLUSH_BLOCK(s, 1);
+        return finish_done;
+    }
+    if (s->last_lit)
+        FLUSH_BLOCK(s, 0);
+    return block_done;
 }
 
 /* ===========================================================================
@@ -1829,6 +1956,12 @@ local block_state deflate_huff(s, flush)
         s->strstart++;
         if (bflush) FLUSH_BLOCK(s, 0);
     }
-    FLUSH_BLOCK(s, flush == Z_FINISH);
-    return flush == Z_FINISH ? finish_done : block_done;
+    s->insert = 0;
+    if (flush == Z_FINISH) {
+        FLUSH_BLOCK(s, 1);
+        return finish_done;
+    }
+    if (s->last_lit)
+        FLUSH_BLOCK(s, 0);
+    return block_done;
 }

deflate.h

@@ -1,5 +1,5 @@
 /* deflate.h -- internal compression state
- * Copyright (C) 1995-2009 Jean-loup Gailly
+ * Copyright (C) 1995-2012 Jean-loup Gailly
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -48,6 +48,9 @@
 #define MAX_BITS 15
 /* All codes must not exceed MAX_BITS bits */
 
+#define Buf_size 16
+/* size of bit buffer in bi_buf */
+
 #define INIT_STATE    42
 #define EXTRA_STATE   69
 #define NAME_STATE    73
@@ -101,7 +104,7 @@ typedef struct internal_state {
     int   wrap;          /* bit 0 true for zlib, bit 1 true for gzip */
     gz_headerp  gzhead;  /* gzip header information to write */
     uInt   gzindex;      /* where in extra, name, or comment */
-    Byte  method;        /* STORED (for zip only) or DEFLATED */
+    Byte  method;        /* can only be DEFLATED */
     int   last_flush;    /* value of flush param for previous deflate call */
 
                 /* used by deflate.c: */
@@ -188,7 +191,7 @@ typedef struct internal_state {
     int nice_match; /* Stop searching when current match exceeds this */
 
                 /* used by trees.c: */
-    /* Didn't use ct_data typedef below to supress compiler warning */
+    /* Didn't use ct_data typedef below to suppress compiler warning */
     struct ct_data_s dyn_ltree[HEAP_SIZE];   /* literal and length tree */
     struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
     struct ct_data_s bl_tree[2*BL_CODES+1];  /* Huffman tree for bit lengths */
@@ -244,7 +247,7 @@ typedef struct internal_state {
     ulg opt_len;        /* bit length of current block with optimal trees */
     ulg static_len;     /* bit length of current block with static trees */
     uInt matches;       /* number of string matches in current block */
-    int last_eob_len;   /* bit length of EOB code for last block */
+    uInt insert;        /* bytes at end of window left to insert */
 
 #ifdef DEBUG
     ulg compressed_len; /* total bit length of compressed file mod 2^32 */
@@ -290,13 +293,14 @@ typedef struct internal_state {
    memory checker errors from longest match routines */
 
         /* in trees.c */
-void _tr_init         OF((deflate_state *s));
-int  _tr_tally        OF((deflate_state *s, unsigned dist, unsigned lc));
-void _tr_flush_block  OF((deflate_state *s, charf *buf, ulg stored_len,
-                          int last));
-void _tr_align        OF((deflate_state *s));
-void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len,
-                          int last));
+void ZLIB_INTERNAL _tr_init OF((deflate_state *s));
+int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
+void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf,
+                        ulg stored_len, int last));
+void ZLIB_INTERNAL _tr_flush_bits OF((deflate_state *s));
+void ZLIB_INTERNAL _tr_align OF((deflate_state *s));
+void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
+                        ulg stored_len, int last));
 
 #define d_code(dist) \
    ((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
@@ -309,11 +313,11 @@ void _tr_stored_block OF((deflate_state *s, charf *buf, ulg stored_len,
 /* Inline versions of _tr_tally for speed: */
 
 #if defined(GEN_TREES_H) || !defined(STDC)
-  extern uch _length_code[];
-  extern uch _dist_code[];
+  extern uch ZLIB_INTERNAL _length_code[];
+  extern uch ZLIB_INTERNAL _dist_code[];
 #else
-  extern const uch _length_code[];
-  extern const uch _dist_code[];
+  extern const uch ZLIB_INTERNAL _length_code[];
+  extern const uch ZLIB_INTERNAL _dist_code[];
 #endif
 
 # define _tr_tally_lit(s, c, flush) \

doc/algorithm.txt

@@ -206,4 +206,4 @@ Compression,'' IEEE Transactions on Information Theory, Vol. 23, No. 3,
 pp. 337-343.
 
 ``DEFLATE Compressed Data Format Specification'' available in
-http://www.ietf.org/rfc/rfc1951.txt
+http://tools.ietf.org/html/rfc1951

examples/enough.c

@@ -1,7 +1,7 @@
 /* enough.c -- determine the maximum size of inflate's Huffman code tables over
  * all possible valid and complete Huffman codes, subject to a length limit.
- * Copyright (C) 2007, 2008 Mark Adler
- * Version 1.3  17 February 2008  Mark Adler
+ * Copyright (C) 2007, 2008, 2012 Mark Adler
+ * Version 1.4  18 August 2012  Mark Adler
  */
 
 /* Version history:
@@ -14,6 +14,9 @@
    1.3  17 Feb 2008  Add argument for initial root table size
                      Fix bug for initial root table size == max - 1
                      Use a macro to compute the history index
+   1.4  18 Aug 2012  Avoid shifts more than bits in type (caused endless loop!)
+                     Clean up comparisons of different types
+                     Clean up code indentation
  */
 
 /*
@@ -236,8 +239,8 @@ local big_t count(int syms, int len, int left)
     for (use = least; use <= most; use++) {
         got = count(syms - use, len + 1, (left - use) << 1);
         sum += got;
-        if (got == -1 || sum < got)         /* overflow */
-            return -1;
+        if (got == (big_t)0 - 1 || sum < got)   /* overflow */
+            return (big_t)0 - 1;
     }
 
     /* verify that all recursive calls are productive */
@@ -458,6 +461,7 @@ int main(int argc, char **argv)
     int n;              /* number of symbols to code for this run */
     big_t got;          /* return value of count() */
     big_t sum;          /* accumulated number of codes over n */
+    code_t word;        /* for counting bits in code_t */
 
     /* set up globals for cleanup() */
     code = NULL;
@@ -466,19 +470,19 @@ int main(int argc, char **argv)
 
     /* get arguments -- default to the deflate literal/length code */
     syms = 286;
-        root = 9;
+    root = 9;
     max = 15;
     if (argc > 1) {
         syms = atoi(argv[1]);
         if (argc > 2) {
             root = atoi(argv[2]);
-                        if (argc > 3)
-                                max = atoi(argv[3]);
-                }
+            if (argc > 3)
+                max = atoi(argv[3]);
+        }
     }
     if (argc > 4 || syms < 2 || root < 1 || max < 1) {
         fputs("invalid arguments, need: [sym >= 2 [root >= 1 [max >= 1]]]\n",
-                          stderr);
+              stderr);
         return 1;
     }
 
@@ -487,18 +491,17 @@ int main(int argc, char **argv)
         max = syms - 1;
 
     /* determine the number of bits in a code_t */
-    n = 0;
-    while (((code_t)1 << n) != 0)
-        n++;
+    for (n = 0, word = 1; word; n++, word <<= 1)
+        ;
 
     /* make sure that the calculation of most will not overflow */
-    if (max > n || syms - 2 >= (((code_t)0 - 1) >> (max - 1))) {
+    if (max > n || (code_t)(syms - 2) >= (((code_t)0 - 1) >> (max - 1))) {
         fputs("abort: code length too long for internal types\n", stderr);
         return 1;
     }
 
     /* reject impossible code requests */
-    if (syms - 1 > ((code_t)1 << max) - 1) {
+    if ((code_t)(syms - 1) > ((code_t)1 << max) - 1) {
         fprintf(stderr, "%d symbols cannot be coded in %d bits\n",
                 syms, max);
         return 1;
@@ -532,7 +535,7 @@ int main(int argc, char **argv)
     for (n = 2; n <= syms; n++) {
         got = count(n, 1, 2);
         sum += got;
-        if (got == -1 || sum < got) {       /* overflow */
+        if (got == (big_t)0 - 1 || sum < got) {     /* overflow */
             fputs("abort: can't count that high!\n", stderr);
             cleanup();
             return 1;
@@ -556,9 +559,9 @@ int main(int argc, char **argv)
     }
 
     /* find and show maximum inflate table usage */
-        if (root > max)                 /* reduce root to max length */
-                root = max;
-    if (syms < ((code_t)1 << (root + 1)))
+    if (root > max)                 /* reduce root to max length */
+        root = max;
+    if ((code_t)syms < ((code_t)1 << (root + 1)))
         enough(syms);
     else
         puts("cannot handle minimum code lengths > root");

examples/gun.c

@@ -1,7 +1,7 @@
 /* gun.c -- simple gunzip to give an example of the use of inflateBack()
- * Copyright (C) 2003, 2005, 2008, 2010 Mark Adler
+ * Copyright (C) 2003, 2005, 2008, 2010, 2012 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
-   Version 1.6  17 January 2010  Mark Adler */
+   Version 1.7  12 August 2012  Mark Adler */
 
 /* Version history:
    1.0  16 Feb 2003  First version for testing of inflateBack()
@@ -18,6 +18,7 @@
    1.4   8 Dec 2006  LZW decompression speed improvements
    1.5   9 Feb 2008  Avoid warning in latest version of gcc
    1.6  17 Jan 2010  Avoid signed/unsigned comparison warnings
+   1.7  12 Aug 2012  Update for z_const usage in zlib 1.2.8
  */
 
 /*
@@ -85,7 +86,7 @@ struct ind {
 /* Load input buffer, assumed to be empty, and return bytes loaded and a
    pointer to them.  read() is called until the buffer is full, or until it
    returns end-of-file or error.  Return 0 on error. */
-local unsigned in(void *in_desc, unsigned char **buf)
+local unsigned in(void *in_desc, z_const unsigned char **buf)
 {
     int ret;
     unsigned len;
@@ -196,7 +197,7 @@ unsigned char match[65280 + 2];         /* buffer for reversed match or gzip
    file, read error, or write error (a write error indicated by strm->next_in
    not equal to Z_NULL), or Z_DATA_ERROR for invalid input.
  */
-local int lunpipe(unsigned have, unsigned char *next, struct ind *indp,
+local int lunpipe(unsigned have, z_const unsigned char *next, struct ind *indp,
                   int outfile, z_stream *strm)
 {
     int last;                   /* last byte read by NEXT(), or -1 if EOF */
@@ -383,7 +384,7 @@ local int gunpipe(z_stream *strm, int infile, int outfile)
 {
     int ret, first, last;
     unsigned have, flags, len;
-    unsigned char *next = NULL;
+    z_const unsigned char *next = NULL;
     struct ind ind, *indp;
     struct outd outd;
 

examples/gzappend.c

@@ -1,7 +1,7 @@
 /* gzappend -- command to append to a gzip file
 
-  Copyright (C) 2003 Mark Adler, all rights reserved
-  version 1.1, 4 Nov 2003
+  Copyright (C) 2003, 2012 Mark Adler, all rights reserved
+  version 1.2, 11 Oct 2012
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the author be held liable for any damages
@@ -39,6 +39,8 @@
  *                      - Keep gzip file clean on appended file read errors
  *                      - Use in-place rotate instead of auxiliary buffer
  *                        (Why you ask?  Because it was fun to write!)
+ * 1.2  11 Oct 2012     - Fix for proper z_const usage
+ *                      - Check for input buffer malloc failure
  */
 
 /*
@@ -170,7 +172,7 @@ typedef struct {
     int size;                   /* 1 << size is bytes in buf */
     unsigned left;              /* bytes available at next */
     unsigned char *buf;         /* buffer */
-    unsigned char *next;        /* next byte in buffer */
+    z_const unsigned char *next;    /* next byte in buffer */
     char *name;                 /* file name for error messages */
 } file;
 
@@ -399,14 +401,14 @@ local void gztack(char *name, int gd, z_stream *strm, int last)
     }
 
     /* allocate buffers */
-    in = fd == -1 ? NULL : malloc(CHUNK);
+    in = malloc(CHUNK);
     out = malloc(CHUNK);
-    if (out == NULL) bye("out of memory", "");
+    if (in == NULL || out == NULL) bye("out of memory", "");
 
     /* compress input file and append to gzip file */
     do {
         /* get more input */
-        len = fd == -1 ? 0 : read(fd, in, CHUNK);
+        len = read(fd, in, CHUNK);
         if (len == -1) {
             fprintf(stderr,
                     "gzappend warning: error reading %s, skipping rest ...\n",
@@ -453,7 +455,7 @@ local void gztack(char *name, int gd, z_stream *strm, int last)
 
     /* clean up and return */
     free(out);
-    if (in != NULL) free(in);
+    free(in);
     if (fd > 0) close(fd);
 }
 
@@ -467,11 +469,13 @@ int main(int argc, char **argv)
     z_stream strm;
 
     /* ignore command name */
-    argv++;
+    argc--; argv++;
 
     /* provide usage if no arguments */
     if (*argv == NULL) {
-        printf("gzappend 1.1 (4 Nov 2003) Copyright (C) 2003 Mark Adler\n");
+        printf(
+            "gzappend 1.2 (11 Oct 2012) Copyright (C) 2003, 2012 Mark Adler\n"
+               );
         printf(
             "usage: gzappend [-level] file.gz [ addthis [ andthis ... ]]\n");
         return 0;

examples/gzjoin.c

@@ -1,7 +1,7 @@
 /* gzjoin -- command to join gzip files into one gzip file
 
-  Copyright (C) 2004 Mark Adler, all rights reserved
-  version 1.0, 11 Dec 2004
+  Copyright (C) 2004, 2005, 2012 Mark Adler, all rights reserved
+  version 1.2, 14 Aug 2012
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the author be held liable for any damages
@@ -27,6 +27,7 @@
  *
  * 1.0  11 Dec 2004     - First version
  * 1.1  12 Jun 2005     - Changed ssize_t to long for portability
+ * 1.2  14 Aug 2012     - Clean up for z_const usage
  */
 
 /*
@@ -308,7 +309,7 @@ local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot,
     /* inflate and copy compressed data, clear last-block bit if requested */
     len = 0;
     zpull(&strm, in);
-    start = strm.next_in;
+    start = in->next;
     last = start[0] & 1;
     if (last && clr)
         start[0] &= ~1;
@@ -351,7 +352,7 @@ local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot,
                 pos = 0x100 >> pos;
                 last = strm.next_in[-1] & pos;
                 if (last && clr)
-                    strm.next_in[-1] &= ~pos;
+                    in->buf[strm.next_in - in->buf - 1] &= ~pos;
             }
             else {
                 /* next last-block bit is in next unused byte */
@@ -364,14 +365,14 @@ local void gzcopy(char *name, int clr, unsigned long *crc, unsigned long *tot,
                 }
                 last = strm.next_in[0] & 1;
                 if (last && clr)
-                    strm.next_in[0] &= ~1;
+                    in->buf[strm.next_in - in->buf] &= ~1;
             }
         }
     }
 
     /* update buffer with unused input */
     in->left = strm.avail_in;
-    in->next = strm.next_in;
+    in->next = in->buf + (strm.next_in - in->buf);
 
     /* copy used input, write empty blocks to get to byte boundary */
     pos = strm.data_type & 7;

examples/gzlog.c

@@ -1,8 +1,8 @@
 /*
  * gzlog.c
- * Copyright (C) 2004, 2008 Mark Adler, all rights reserved
+ * Copyright (C) 2004, 2008, 2012 Mark Adler, all rights reserved
  * For conditions of distribution and use, see copyright notice in gzlog.h
- * version 2.0, 25 Apr 2008
+ * version 2.2, 14 Aug 2012
  */
 
 /*
@@ -750,7 +750,8 @@ local int log_recover(struct log *log, int op)
         strcpy(log->end, ".add");
         if (stat(log->path, &st) == 0 && st.st_size) {
             len = (size_t)(st.st_size);
-            if (len != st.st_size || (data = malloc(st.st_size)) == NULL) {
+            if ((off_t)len != st.st_size ||
+                    (data = malloc(st.st_size)) == NULL) {
                 log_log(log, op, "allocation failure");
                 return -2;
             }
@@ -758,7 +759,7 @@ local int log_recover(struct log *log, int op)
                 log_log(log, op, ".add file read failure");
                 return -1;
             }
-            ret = read(fd, data, len) != len;
+            ret = (size_t)read(fd, data, len) != len;
             close(fd);
             if (ret) {
                 log_log(log, op, ".add file read failure");
@@ -913,7 +914,7 @@ int gzlog_compress(gzlog *logd)
     struct log *log = logd;
 
     /* check arguments */
-    if (log == NULL || strcmp(log->id, LOGID) || len < 0)
+    if (log == NULL || strcmp(log->id, LOGID))
         return -3;
 
     /* see if we lost the lock -- if so get it again and reload the extra
@@ -952,7 +953,7 @@ int gzlog_compress(gzlog *logd)
         fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
         if (fd < 0)
             break;
-        ret = write(fd, data, len) != len;
+        ret = (size_t)write(fd, data, len) != len;
         if (ret | close(fd))
             break;
         log_touch(log);
@@ -963,7 +964,7 @@ int gzlog_compress(gzlog *logd)
         if (fd < 0)
             break;
         next = DICT > len ? len : DICT;
-        ret = write(fd, (char *)data + len - next, next) != next;
+        ret = (size_t)write(fd, (char *)data + len - next, next) != next;
         if (ret | close(fd))
             break;
         log_touch(log);
@@ -997,9 +998,9 @@ int gzlog_write(gzlog *logd, void *data, size_t len)
     struct log *log = logd;
 
     /* check arguments */
-    if (log == NULL || strcmp(log->id, LOGID) || len < 0)
+    if (log == NULL || strcmp(log->id, LOGID))
         return -3;
-    if (data == NULL || len == 0)
+    if (data == NULL || len <= 0)
         return 0;
 
     /* see if we lost the lock -- if so get it again and reload the extra
@@ -1013,7 +1014,7 @@ int gzlog_write(gzlog *logd, void *data, size_t len)
     fd = open(log->path, O_WRONLY | O_CREAT | O_TRUNC, 0644);
     if (fd < 0)
         return -1;
-    ret = write(fd, data, len) != len;
+    ret = (size_t)write(fd, data, len) != len;
     if (ret | close(fd))
         return -1;
     log_touch(log);

examples/gzlog.h

@@ -1,6 +1,6 @@
 /* gzlog.h
-  Copyright (C) 2004, 2008 Mark Adler, all rights reserved
-  version 2.0, 25 Apr 2008
+  Copyright (C) 2004, 2008, 2012 Mark Adler, all rights reserved
+  version 2.2, 14 Aug 2012
 
   This software is provided 'as-is', without any express or implied
   warranty.  In no event will the author be held liable for any damages
@@ -27,6 +27,8 @@
                      Interface changed slightly in that now path is a prefix
                      Compression now occurs as needed during gzlog_write()
                      gzlog_write() now always leaves the log file as valid gzip
+   2.1   8 Jul 2012  Fix argument checks in gzlog_compress() and gzlog_write()
+   2.2  14 Aug 2012  Clean up signed comparisons
  */
 
 /*

examples/zran.c

@@ -1,7 +1,12 @@
 /* zran.c -- example of zlib/gzip stream indexing and random access
- * Copyright (C) 2005 Mark Adler
+ * Copyright (C) 2005, 2012 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
-   Version 1.0  29 May 2005  Mark Adler */
+   Version 1.1  29 Sep 2012  Mark Adler */
+
+/* Version History:
+ 1.0  29 May 2005  First version
+ 1.1  29 Sep 2012  Fix memory reallocation error
+ */
 
 /* Illustrate the use of Z_BLOCK, inflatePrime(), and inflateSetDictionary()
    for random access of a compressed file.  A file containing a zlib or gzip
@@ -221,7 +226,7 @@ local int build_index(FILE *in, off_t span, struct access **built)
 
     /* clean up and return index (release unused entries in list) */
     (void)inflateEnd(&strm);
-    index = realloc(index, sizeof(struct point) * index->have);
+    index->list = realloc(index->list, sizeof(struct point) * index->have);
     index->size = index->have;
     *built = index;
     return index->size;

gzguts.h

@@ -1,18 +1,22 @@
 /* gzguts.h -- zlib internal header definitions for gz* operations
- * Copyright (C) 2004, 2005, 2010 Mark Adler
+ * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 #ifdef _LARGEFILE64_SOURCE
 #  ifndef _LARGEFILE_SOURCE
-#    define _LARGEFILE_SOURCE
+#    define _LARGEFILE_SOURCE 1
 #  endif
 #  ifdef _FILE_OFFSET_BITS
 #    undef _FILE_OFFSET_BITS
 #  endif
 #endif
 
-#define ZLIB_INTERNAL
+#ifdef HAVE_HIDDEN
+#  define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
+#else
+#  define ZLIB_INTERNAL
+#endif
 
 #include <stdio.h>
 #include "zlib.h"
@@ -23,13 +27,80 @@
 #endif
 #include <fcntl.h>
 
+#ifdef _WIN32
+#  include <stddef.h>
+#endif
+
+#if defined(__TURBOC__) || defined(_MSC_VER) || defined(_WIN32)
+#  include <io.h>
+#endif
+
+#ifdef WINAPI_FAMILY
+#  define open _open
+#  define read _read
+#  define write _write
+#  define close _close
+#endif
+
 #ifdef NO_DEFLATE       /* for compatibility with old definition */
 #  define NO_GZCOMPRESS
 #endif
 
-#ifdef WIN32
-#  include <io.h>
-#  define vsnprintf _vsnprintf
+#if defined(STDC99) || (defined(__TURBOC__) && __TURBOC__ >= 0x550)
+#  ifndef HAVE_VSNPRINTF
+#    define HAVE_VSNPRINTF
+#  endif
+#endif
+
+#if defined(__CYGWIN__)
+#  ifndef HAVE_VSNPRINTF
+#    define HAVE_VSNPRINTF
+#  endif
+#endif
+
+#if defined(MSDOS) && defined(__BORLANDC__) && (BORLANDC > 0x410)
+#  ifndef HAVE_VSNPRINTF
+#    define HAVE_VSNPRINTF
+#  endif
+#endif
+
+#ifndef HAVE_VSNPRINTF
+#  ifdef MSDOS
+/* vsnprintf may exist on some MS-DOS compilers (DJGPP?),
+   but for now we just assume it doesn't. */
+#    define NO_vsnprintf
+#  endif
+#  ifdef __TURBOC__
+#    define NO_vsnprintf
+#  endif
+#  ifdef WIN32
+/* In Win32, vsnprintf is available as the "non-ANSI" _vsnprintf. */
+#    if !defined(vsnprintf) && !defined(NO_vsnprintf)
+#      if !defined(_MSC_VER) || ( defined(_MSC_VER) && _MSC_VER < 1500 )
+#         define vsnprintf _vsnprintf
+#      endif
+#    endif
+#  endif
+#  ifdef __SASC
+#    define NO_vsnprintf
+#  endif
+#  ifdef VMS
+#    define NO_vsnprintf
+#  endif
+#  ifdef __OS400__
+#    define NO_vsnprintf
+#  endif
+#  ifdef __MVS__
+#    define NO_vsnprintf
+#  endif
+#endif
+
+/* unlike snprintf (which is required in C99, yet still not supported by
+   Microsoft more than a decade later!), _snprintf does not guarantee null
+   termination of the result -- however this is only used in gzlib.c where
+   the result is assured to fit in the space provided */
+#ifdef _MSC_VER
+#  define snprintf _snprintf
 #endif
 
 #ifndef local
@@ -44,11 +115,11 @@
 #endif
 
 /* get errno and strerror definition */
-#if defined UNDER_CE && defined NO_ERRNO_H
+#if defined UNDER_CE
 #  include <windows.h>
 #  define zstrerror() gz_strwinerror((DWORD)GetLastError())
 #else
-#  ifdef STDC
+#  ifndef NO_STRERROR
 #    include <errno.h>
 #    define zstrerror() strerror(errno)
 #  else
@@ -56,19 +127,23 @@
 #  endif
 #endif
 
-/* MVS fdopen() */
-#ifdef __MVS__
-  #pragma map (fdopen , "\174\174FDOPEN")
-   FILE *fdopen(int, const char *);
+/* provide prototypes for these when building zlib without LFS */
+#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
+    ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
+    ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int));
+    ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile));
+    ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
 #endif
 
-#ifdef _LARGEFILE64_SOURCE
-#  define z_off64_t off64_t
+/* default memLevel */
+#if MAX_MEM_LEVEL >= 8
+#  define DEF_MEM_LEVEL 8
 #else
-#  define z_off64_t z_off_t
+#  define DEF_MEM_LEVEL  MAX_MEM_LEVEL
 #endif
 
-/* default i/o buffer size -- double this for output when reading */
+/* default i/o buffer size -- double this for output when reading (this and
+   twice this must be able to fit in an unsigned type) */
 #define GZBUFSIZE 8192
 
 /* gzip modes, also provide a little integrity check on the passed structure */
@@ -84,23 +159,25 @@
 
 /* internal gzip file state data structure */
 typedef struct {
+        /* exposed contents for gzgetc() macro */
+    struct gzFile_s x;      /* "x" for exposed */
+                            /* x.have: number of bytes available at x.next */
+                            /* x.next: next output data to deliver or write */
+                            /* x.pos: current position in uncompressed data */
         /* used for both reading and writing */
     int mode;               /* see gzip modes above */
     int fd;                 /* file descriptor */
     char *path;             /* path or fd for error messages */
-    z_off64_t pos;          /* current position in uncompressed data */
     unsigned size;          /* buffer size, zero if not allocated yet */
     unsigned want;          /* requested buffer size, default is GZBUFSIZE */
     unsigned char *in;      /* input buffer */
     unsigned char *out;     /* output buffer (double-sized when reading) */
-    unsigned char *next;    /* next output data to deliver or write */
+    int direct;             /* 0 if processing gzip, 1 if transparent */
         /* just for reading */
-    unsigned have;          /* amount of output data unused at next */
-    int eof;                /* true if end of input file reached */
-    z_off64_t start;        /* where the gzip data started, for rewinding */
-    z_off64_t raw;          /* where the raw data started, for seeking */
     int how;                /* 0: get header, 1: copy, 2: decompress */
-    int direct;             /* true if last read direct, false if gzip */
+    z_off64_t start;        /* where the gzip data started, for rewinding */
+    int eof;                /* true if end of input file reached */
+    int past;               /* true if read requested past end */
         /* just for writing */
     int level;              /* compression level */
     int strategy;           /* compression strategy */
@@ -116,9 +193,9 @@ typedef struct {
 typedef gz_state FAR *gz_statep;
 
 /* shared functions */
-ZEXTERN void ZEXPORT gz_error OF((gz_statep, int, const char *));
-#if defined UNDER_CE && defined NO_ERRNO_H
-ZEXTERN char ZEXPORT *gz_strwinerror OF((DWORD error));
+void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *));
+#if defined UNDER_CE
+char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
 #endif
 
 /* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
@@ -127,6 +204,6 @@ ZEXTERN char ZEXPORT *gz_strwinerror OF((DWORD error));
 #ifdef INT_MAX
 #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
 #else
-ZEXTERN unsigned ZEXPORT gz_intmax OF((void));
+unsigned ZLIB_INTERNAL gz_intmax OF((void));
 #  define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
 #endif

gzlib.c

@@ -1,21 +1,25 @@
 /* gzlib.c -- zlib functions common to reading and writing gzip files
- * Copyright (C) 2004, 2010 Mark Adler
+ * Copyright (C) 2004, 2010, 2011, 2012, 2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
 #include "gzguts.h"
 
-#ifdef _LARGEFILE64_SOURCE
+#if defined(_WIN32) && !defined(__BORLANDC__)
+#  define LSEEK _lseeki64
+#else
+#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
 #  define LSEEK lseek64
 #else
 #  define LSEEK lseek
 #endif
+#endif
 
 /* Local functions */
 local void gz_reset OF((gz_statep));
-local gzFile gz_open OF((const char *, int, const char *));
+local gzFile gz_open OF((const void *, int, const char *));
 
-#if defined UNDER_CE && defined NO_ERRNO_H
+#if defined UNDER_CE
 
 /* Map the Windows error number in ERROR to a locale-dependent error message
    string and return a pointer to it.  Typically, the values for ERROR come
@@ -26,7 +30,7 @@ local gzFile gz_open OF((const char *, int, const char *));
 
    The gz_strwinerror function does not change the current setting of
    GetLastError. */
-char ZEXPORT *gz_strwinerror (error)
+char ZLIB_INTERNAL *gz_strwinerror (error)
      DWORD error;
 {
     static char buf[1024];
@@ -65,34 +69,46 @@ char ZEXPORT *gz_strwinerror (error)
     return buf;
 }
 
-#endif /* UNDER_CE && NO_ERRNO_H */
+#endif /* UNDER_CE */
 
 /* Reset gzip file state */
 local void gz_reset(state)
     gz_statep state;
 {
+    state->x.have = 0;              /* no output data available */
     if (state->mode == GZ_READ) {   /* for reading ... */
-        state->have = 0;            /* no output data available */
         state->eof = 0;             /* not at end of file */
+        state->past = 0;            /* have not read past end yet */
         state->how = LOOK;          /* look for gzip header */
-        state->direct = 1;          /* default for empty file */
     }
     state->seek = 0;                /* no seek request pending */
     gz_error(state, Z_OK, NULL);    /* clear error */
-    state->pos = 0;                 /* no uncompressed data yet */
+    state->x.pos = 0;               /* no uncompressed data yet */
     state->strm.avail_in = 0;       /* no input data yet */
 }
 
 /* Open a gzip file either by name or file descriptor. */
 local gzFile gz_open(path, fd, mode)
-    const char *path;
+    const void *path;
     int fd;
     const char *mode;
 {
     gz_statep state;
+    size_t len;
+    int oflag;
+#ifdef O_CLOEXEC
+    int cloexec = 0;
+#endif
+#ifdef O_EXCL
+    int exclusive = 0;
+#endif
+
+    /* check input */
+    if (path == NULL)
+        return NULL;
 
     /* allocate gzFile structure to return */
-    state = malloc(sizeof(gz_state));
+    state = (gz_statep)malloc(sizeof(gz_state));
     if (state == NULL)
         return NULL;
     state->size = 0;            /* no buffers allocated yet */
@@ -103,6 +119,7 @@ local gzFile gz_open(path, fd, mode)
     state->mode = GZ_NONE;
     state->level = Z_DEFAULT_COMPRESSION;
     state->strategy = Z_DEFAULT_STRATEGY;
+    state->direct = 0;
     while (*mode) {
         if (*mode >= '0' && *mode <= '9')
             state->level = *mode - '0';
@@ -124,6 +141,16 @@ local gzFile gz_open(path, fd, mode)
                 return NULL;
             case 'b':       /* ignore -- will request binary anyway */
                 break;
+#ifdef O_CLOEXEC
+            case 'e':
+                cloexec = 1;
+                break;
+#endif
+#ifdef O_EXCL
+            case 'x':
+                exclusive = 1;
+                break;
+#endif
             case 'f':
                 state->strategy = Z_FILTERED;
                 break;
@@ -135,6 +162,10 @@ local gzFile gz_open(path, fd, mode)
                 break;
             case 'F':
                 state->strategy = Z_FIXED;
+                break;
+            case 'T':
+                state->direct = 1;
+                break;
             default:        /* could consider as an error, but just ignore */
                 ;
             }
@@ -147,31 +178,73 @@ local gzFile gz_open(path, fd, mode)
         return NULL;
     }
 
+    /* can't force transparent read */
+    if (state->mode == GZ_READ) {
+        if (state->direct) {
+            free(state);
+            return NULL;
+        }
+        state->direct = 1;      /* for empty file */
+    }
+
     /* save the path name for error messages */
-    state->path = malloc(strlen(path) + 1);
+#ifdef _WIN32
+    if (fd == -2) {
+        len = wcstombs(NULL, path, 0);
+        if (len == (size_t)-1)
+            len = 0;
+    }
+    else
+#endif
+        len = strlen((const char *)path);
+    state->path = (char *)malloc(len + 1);
     if (state->path == NULL) {
         free(state);
         return NULL;
     }
-    strcpy(state->path, path);
+#ifdef _WIN32
+    if (fd == -2)
+        if (len)
+            wcstombs(state->path, path, len + 1);
+        else
+            *(state->path) = 0;
+    else
+#endif
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+        snprintf(state->path, len + 1, "%s", (const char *)path);
+#else
+        strcpy(state->path, path);
+#endif
 
-    /* open the file with the appropriate mode (or just use fd) */
-    state->fd = fd != -1 ? fd :
-        open(path,
+    /* compute the flags for open() */
+    oflag =
 #ifdef O_LARGEFILE
-            O_LARGEFILE |
+        O_LARGEFILE |
 #endif
 #ifdef O_BINARY
-            O_BINARY |
+        O_BINARY |
 #endif
-            (state->mode == GZ_READ ?
-                O_RDONLY :
-                (O_WRONLY | O_CREAT | (
-                    state->mode == GZ_WRITE ?
-                        O_TRUNC :
-                        O_APPEND))),
-            0666);
+#ifdef O_CLOEXEC
+        (cloexec ? O_CLOEXEC : 0) |
+#endif
+        (state->mode == GZ_READ ?
+         O_RDONLY :
+         (O_WRONLY | O_CREAT |
+#ifdef O_EXCL
+          (exclusive ? O_EXCL : 0) |
+#endif
+          (state->mode == GZ_WRITE ?
+           O_TRUNC :
+           O_APPEND)));
+
+    /* open the file with the appropriate flags (or just use fd) */
+    state->fd = fd > -1 ? fd : (
+#ifdef _WIN32
+        fd == -2 ? _wopen(path, oflag, 0666) :
+#endif
+        open((const char *)path, oflag, 0666));
     if (state->fd == -1) {
+        free(state->path);
         free(state);
         return NULL;
     }
@@ -215,14 +288,28 @@ gzFile ZEXPORT gzdopen(fd, mode)
     char *path;         /* identifier for error messages */
     gzFile gz;
 
-    if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL)
+    if (fd == -1 || (path = (char *)malloc(7 + 3 * sizeof(int))) == NULL)
         return NULL;
-    sprintf(path, "<fd:%d>", fd);
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+    snprintf(path, 7 + 3 * sizeof(int), "<fd:%d>", fd); /* for debugging */
+#else
+    sprintf(path, "<fd:%d>", fd);   /* for debugging */
+#endif
     gz = gz_open(path, fd, mode);
     free(path);
     return gz;
 }
 
+/* -- see zlib.h -- */
+#ifdef _WIN32
+gzFile ZEXPORT gzopen_w(path, mode)
+    const wchar_t *path;
+    const char *mode;
+{
+    return gz_open(path, -2, mode);
+}
+#endif
+
 /* -- see zlib.h -- */
 int ZEXPORT gzbuffer(file, size)
     gzFile file;
@@ -242,8 +329,8 @@ int ZEXPORT gzbuffer(file, size)
         return -1;
 
     /* check and set requested size */
-    if (size == 0)
-        return -1;
+    if (size < 2)
+        size = 2;               /* need two bytes to check magic header */
     state->want = size;
     return 0;
 }
@@ -260,7 +347,8 @@ int ZEXPORT gzrewind(file)
     state = (gz_statep)file;
 
     /* check that we're reading and that there's no error */
-    if (state->mode != GZ_READ || state->err != Z_OK)
+    if (state->mode != GZ_READ ||
+            (state->err != Z_OK && state->err != Z_BUF_ERROR))
         return -1;
 
     /* back up and start over */
@@ -288,7 +376,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
         return -1;
 
     /* check that there's no error */
-    if (state->err != Z_OK)
+    if (state->err != Z_OK && state->err != Z_BUF_ERROR)
         return -1;
 
     /* can only seek from start or relative to current position */
@@ -297,31 +385,32 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
 
     /* normalize offset to a SEEK_CUR specification */
     if (whence == SEEK_SET)
-        offset -= state->pos;
+        offset -= state->x.pos;
     else if (state->seek)
         offset += state->skip;
     state->seek = 0;
 
     /* if within raw area while reading, just go there */
     if (state->mode == GZ_READ && state->how == COPY &&
-        state->pos + offset >= state->raw) {
-        ret = LSEEK(state->fd, offset, SEEK_CUR);
+            state->x.pos + offset >= 0) {
+        ret = LSEEK(state->fd, offset - state->x.have, SEEK_CUR);
         if (ret == -1)
             return -1;
-        state->have = 0;
+        state->x.have = 0;
         state->eof = 0;
+        state->past = 0;
         state->seek = 0;
         gz_error(state, Z_OK, NULL);
         state->strm.avail_in = 0;
-        state->pos += offset;
-        return state->pos;
+        state->x.pos += offset;
+        return state->x.pos;
     }
 
     /* calculate skip amount, rewinding if needed for back seek when reading */
     if (offset < 0) {
         if (state->mode != GZ_READ)         /* writing -- can't go backwards */
             return -1;
-        offset += state->pos;
+        offset += state->x.pos;
         if (offset < 0)                     /* before start of file! */
             return -1;
         if (gzrewind(file) == -1)           /* rewind, then skip to offset */
@@ -330,11 +419,11 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
 
     /* if reading, skip what's in output buffer (one less gzgetc() check) */
     if (state->mode == GZ_READ) {
-        n = GT_OFF(state->have) || (z_off64_t)state->have > offset ?
-            (unsigned)offset : state->have;
-        state->have -= n;
-        state->next += n;
-        state->pos += n;
+        n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > offset ?
+            (unsigned)offset : state->x.have;
+        state->x.have -= n;
+        state->x.next += n;
+        state->x.pos += n;
         offset -= n;
     }
 
@@ -343,7 +432,7 @@ z_off64_t ZEXPORT gzseek64(file, offset, whence)
         state->seek = 1;
         state->skip = offset;
     }
-    return state->pos + offset;
+    return state->x.pos + offset;
 }
 
 /* -- see zlib.h -- */
@@ -372,7 +461,7 @@ z_off64_t ZEXPORT gztell64(file)
         return -1;
 
     /* return position */
-    return state->pos + (state->seek ? state->skip : 0);
+    return state->x.pos + (state->seek ? state->skip : 0);
 }
 
 /* -- see zlib.h -- */
@@ -432,7 +521,7 @@ int ZEXPORT gzeof(file)
         return 0;
 
     /* return end-of-file state */
-    return state->mode == GZ_READ ? (state->eof && state->have == 0) : 0;
+    return state->mode == GZ_READ ? state->past : 0;
 }
 
 /* -- see zlib.h -- */
@@ -452,7 +541,8 @@ const char * ZEXPORT gzerror(file, errnum)
     /* return error information */
     if (errnum != NULL)
         *errnum = state->err;
-    return state->msg == NULL ? "" : state->msg;
+    return state->err == Z_MEM_ERROR ? "out of memory" :
+                                       (state->msg == NULL ? "" : state->msg);
 }
 
 /* -- see zlib.h -- */
@@ -469,8 +559,10 @@ void ZEXPORT gzclearerr(file)
         return;
 
     /* clear error and end-of-file */
-    if (state->mode == GZ_READ)
+    if (state->mode == GZ_READ) {
         state->eof = 0;
+        state->past = 0;
+    }
     gz_error(state, Z_OK, NULL);
 }
 
@@ -480,7 +572,7 @@ void ZEXPORT gzclearerr(file)
    memory).  Simply save the error message as a static string.  If there is an
    allocation failure constructing the error message, then convert the error to
    out of memory. */
-void ZEXPORT gz_error(state, err, msg)
+void ZLIB_INTERNAL gz_error(state, err, msg)
     gz_statep state;
     int err;
     const char *msg;
@@ -492,26 +584,33 @@ void ZEXPORT gz_error(state, err, msg)
         state->msg = NULL;
     }
 
+    /* if fatal, set state->x.have to 0 so that the gzgetc() macro fails */
+    if (err != Z_OK && err != Z_BUF_ERROR)
+        state->x.have = 0;
+
     /* set error code, and if no message, then done */
     state->err = err;
     if (msg == NULL)
         return;
 
-    /* for an out of memory error, save as static string */
-    if (err == Z_MEM_ERROR) {
-        state->msg = (char *)msg;
+    /* for an out of memory error, return literal string when requested */
+    if (err == Z_MEM_ERROR)
         return;
-    }
 
     /* construct error message with path */
-    if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) {
+    if ((state->msg = (char *)malloc(strlen(state->path) + strlen(msg) + 3)) ==
+            NULL) {
         state->err = Z_MEM_ERROR;
-        state->msg = (char *)"out of memory";
         return;
     }
+#if !defined(NO_snprintf) && !defined(NO_vsnprintf)
+    snprintf(state->msg, strlen(state->path) + strlen(msg) + 3,
+             "%s%s%s", state->path, ": ", msg);
+#else
     strcpy(state->msg, state->path);
     strcat(state->msg, ": ");
     strcat(state->msg, msg);
+#endif
     return;
 }
 
@@ -520,7 +619,7 @@ void ZEXPORT gz_error(state, err, msg)
    available) -- we need to do this to cover cases where 2's complement not
    used, since C standard permits 1's complement and sign-bit representations,
    otherwise we could just use ((unsigned)-1) >> 1 */
-unsigned ZEXPORT gz_intmax()
+unsigned ZLIB_INTERNAL gz_intmax()
 {
     unsigned p, q;
 

gzread.c

@@ -1,5 +1,5 @@
 /* gzread.c -- zlib functions for reading gzip files
- * Copyright (C) 2004, 2005, 2010 Mark Adler
+ * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -8,10 +8,9 @@
 /* Local functions */
 local int gz_load OF((gz_statep, unsigned char *, unsigned, unsigned *));
 local int gz_avail OF((gz_statep));
-local int gz_next4 OF((gz_statep, unsigned long *));
-local int gz_head OF((gz_statep));
+local int gz_look OF((gz_statep));
 local int gz_decomp OF((gz_statep));
-local int gz_make OF((gz_statep));
+local int gz_fetch OF((gz_statep));
 local int gz_skip OF((gz_statep, z_off64_t));
 
 /* Use read() to load a buffer -- return -1 on error, otherwise 0.  Read from
@@ -46,72 +45,54 @@ local int gz_load(state, buf, len, have)
    error, 0 otherwise.  Note that the eof flag is set when the end of the input
    file is reached, even though there may be unused data in the buffer.  Once
    that data has been used, no more attempts will be made to read the file.
-   gz_avail() assumes that strm->avail_in == 0. */
+   If strm->avail_in != 0, then the current data is moved to the beginning of
+   the input buffer, and then the remainder of the buffer is loaded with the
+   available data from the input file. */
 local int gz_avail(state)
     gz_statep state;
 {
+    unsigned got;
     z_streamp strm = &(state->strm);
 
-    if (state->err != Z_OK)
+    if (state->err != Z_OK && state->err != Z_BUF_ERROR)
         return -1;
     if (state->eof == 0) {
-        if (gz_load(state, state->in, state->size, &(strm->avail_in)) == -1)
+        if (strm->avail_in) {       /* copy what's there to the start */
+            unsigned char *p = state->in;
+            unsigned const char *q = strm->next_in;
+            unsigned n = strm->avail_in;
+            do {
+                *p++ = *q++;
+            } while (--n);
+        }
+        if (gz_load(state, state->in + strm->avail_in,
+                    state->size - strm->avail_in, &got) == -1)
             return -1;
+        strm->avail_in += got;
         strm->next_in = state->in;
     }
     return 0;
 }
 
-/* Get next byte from input, or -1 if end or error. */
-#define NEXT() ((strm->avail_in == 0 && gz_avail(state) == -1) ? -1 : \
-                (strm->avail_in == 0 ? -1 : \
-                 (strm->avail_in--, *(strm->next_in)++)))
-
-/* Get a four-byte little-endian integer and return 0 on success and the value
-   in *ret.  Otherwise -1 is returned and *ret is not modified. */
-local int gz_next4(state, ret)
-    gz_statep state;
-    unsigned long *ret;
-{
-    int ch;
-    unsigned long val;
-    z_streamp strm = &(state->strm);
-
-    val = NEXT();
-    val += (unsigned)NEXT() << 8;
-    val += (unsigned long)NEXT() << 16;
-    ch = NEXT();
-    if (ch == -1)
-        return -1;
-    val += (unsigned long)ch << 24;
-    *ret = val;
-    return 0;
-}
-
-/* Look for gzip header, set up for inflate or copy.  state->have must be zero.
+/* Look for gzip header, set up for inflate or copy.  state->x.have must be 0.
    If this is the first time in, allocate required memory.  state->how will be
    left unchanged if there is no more input data available, will be set to COPY
    if there is no gzip header and direct copying will be performed, or it will
-   be set to GZIP for decompression, and the gzip header will be skipped so
-   that the next available input data is the raw deflate stream.  If direct
-   copying, then leftover input data from the input buffer will be copied to
-   the output buffer.  In that case, all further file reads will be directly to
-   either the output buffer or a user buffer.  If decompressing, the inflate
-   state and the check value will be initialized.  gz_head() will return 0 on
-   success or -1 on failure.  Failures may include read errors or gzip header
-   errors.  */
-local int gz_head(state)
+   be set to GZIP for decompression.  If direct copying, then leftover input
+   data from the input buffer will be copied to the output buffer.  In that
+   case, all further file reads will be directly to either the output buffer or
+   a user buffer.  If decompressing, the inflate state will be initialized.
+   gz_look() will return 0 on success or -1 on failure. */
+local int gz_look(state)
     gz_statep state;
 {
     z_streamp strm = &(state->strm);
-    int flags;
-    unsigned len;
 
     /* allocate read buffers and inflate memory */
     if (state->size == 0) {
         /* allocate buffers */
-        state->in = malloc(state->want);
-        state->out = malloc(state->want << 1);
+        state->in = (unsigned char *)malloc(state->want);
+        state->out = (unsigned char *)malloc(state->want << 1);
         if (state->in == NULL || state->out == NULL) {
             if (state->out != NULL)
                 free(state->out);
@@ -128,7 +109,7 @@ local int gz_head(state)
         state->strm.opaque = Z_NULL;
         state->strm.avail_in = 0;
         state->strm.next_in = Z_NULL;
-        if (inflateInit2(&(state->strm), -15) != Z_OK) {    /* raw inflate */
+        if (inflateInit2(&(state->strm), 15 + 16) != Z_OK) {    /* gunzip */
             free(state->out);
             free(state->in);
             state->size = 0;
@@ -137,83 +118,45 @@ local int gz_head(state)
         }
     }
 
-    /* get some data in the input buffer */
-    if (strm->avail_in == 0) {
+    /* get at least the magic bytes in the input buffer */
+    if (strm->avail_in < 2) {
         if (gz_avail(state) == -1)
             return -1;
         if (strm->avail_in == 0)
             return 0;
     }
 
-    /* look for the gzip magic header bytes 31 and 139 */
-    if (strm->next_in[0] == 31) {
-        strm->avail_in--;
-        strm->next_in++;
-        if (strm->avail_in == 0 && gz_avail(state) == -1)
-            return -1;
-        if (strm->avail_in && strm->next_in[0] == 139) {
-            /* we have a gzip header, woo hoo! */
-            strm->avail_in--;
-            strm->next_in++;
-
-            /* skip rest of header */
-            if (NEXT() != 8) {      /* compression method */
-                gz_error(state, Z_DATA_ERROR, "unknown compression method");
-                return -1;
-            }
-            flags = NEXT();
-            if (flags & 0xe0) {     /* reserved flag bits */
-                gz_error(state, Z_DATA_ERROR, "unknown header flags set");
-                return -1;
-            }
-            NEXT();                 /* modification time */
-            NEXT();
-            NEXT();
-            NEXT();
-            NEXT();                 /* extra flags */
-            NEXT();                 /* operating system */
-            if (flags & 4) {        /* extra field */
-                len = (unsigned)NEXT();
-                len += (unsigned)NEXT() << 8;
-                while (len--)
-                    if (NEXT() < 0)
-                        break;
-            }
-            if (flags & 8)          /* file name */
-                while (NEXT() > 0)
-                    ;
-            if (flags & 16)         /* comment */
-                while (NEXT() > 0)
-                    ;
-            if (flags & 2) {        /* header crc */
-                NEXT();
-                NEXT();
-            }
-            /* an unexpected end of file is not checked for here -- it will be
-               noticed on the first request for uncompressed data */
-
-            /* set up for decompression */
-            inflateReset(strm);
-            strm->adler = crc32(0L, Z_NULL, 0);
-            state->how = GZIP;
-            state->direct = 0;
-            return 0;
-        }
-        else {
-            /* not a gzip file -- save first byte (31) and fall to raw i/o */
-            state->out[0] = 31;
-            state->have = 1;
-        }
+    /* look for gzip magic bytes -- if there, do gzip decoding (note: there is
+       a logical dilemma here when considering the case of a partially written
+       gzip file, to wit, if a single 31 byte is written, then we cannot tell
+       whether this is a single-byte file, or just a partially written gzip
+       file -- for here we assume that if a gzip file is being written, then
+       the header will be written in a single operation, so that reading a
+       single byte is sufficient indication that it is not a gzip file) */
+    if (strm->avail_in > 1 &&
+            strm->next_in[0] == 31 && strm->next_in[1] == 139) {
+        inflateReset(strm);
+        state->how = GZIP;
+        state->direct = 0;
+        return 0;
     }
 
-    /* doing raw i/o, save start of raw data for seeking, copy any leftover
-       input to output -- this assumes that the output buffer is larger than
-       the input buffer, which also assures space for gzungetc() */
-    state->raw = state->pos;
-    state->next = state->out;
+    /* no gzip header -- if we were decoding gzip before, then this is trailing
+       garbage.  Ignore the trailing garbage and finish. */
+    if (state->direct == 0) {
+        strm->avail_in = 0;
+        state->eof = 1;
+        state->x.have = 0;
+        return 0;
+    }
+
+    /* doing raw i/o, copy any leftover input to output -- this assumes that
+       the output buffer is larger than the input buffer, which also assures
+       space for gzungetc() */
+    state->x.next = state->out;
     if (strm->avail_in) {
-        memcpy(state->next + state->have, strm->next_in, strm->avail_in);
-        state->have += strm->avail_in;
+        memcpy(state->x.next, strm->next_in, strm->avail_in);
+        state->x.have = strm->avail_in;
         strm->avail_in = 0;
     }
     state->how = COPY;
@@ -222,19 +165,15 @@ local int gz_head(state)
 }
 
 /* Decompress from input to the provided next_out and avail_out in the state.
-   If the end of the compressed data is reached, then verify the gzip trailer
-   check value and length (modulo 2^32).  state->have and state->next are set
-   to point to the just decompressed data, and the crc is updated.  If the
-   trailer is verified, state->how is reset to LOOK to look for the next gzip
-   stream or raw data, once state->have is depleted.  Returns 0 on success, -1
-   on failure.  Failures may include invalid compressed data or a failed gzip
-   trailer verification. */
+   On return, state->x.have and state->x.next point to the just decompressed
+   data.  If the gzip stream completes, state->how is reset to LOOK to look for
+   the next gzip stream or raw data, once state->x.have is depleted.  Returns 0
+   on success, -1 on failure. */
 local int gz_decomp(state)
     gz_statep state;
 {
-    int ret;
+    int ret = Z_OK;
     unsigned had;
-    unsigned long crc, len;
     z_streamp strm = &(state->strm);
 
     /* fill output buffer up to end of deflate stream */
@@ -244,15 +183,15 @@ local int gz_decomp(state)
         if (strm->avail_in == 0 && gz_avail(state) == -1)
             return -1;
         if (strm->avail_in == 0) {
-            gz_error(state, Z_DATA_ERROR, "unexpected end of file");
-            return -1;
+            gz_error(state, Z_BUF_ERROR, "unexpected end of file");
+            break;
         }
 
         /* decompress and handle errors */
         ret = inflate(strm, Z_NO_FLUSH);
         if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) {
             gz_error(state, Z_STREAM_ERROR,
-                      "internal error: inflate stream corrupt");
+                     "internal error: inflate stream corrupt");
             return -1;
         }
         if (ret == Z_MEM_ERROR) {
@@ -261,67 +200,55 @@ local int gz_decomp(state)
         }
         if (ret == Z_DATA_ERROR) {              /* deflate stream invalid */
             gz_error(state, Z_DATA_ERROR,
-                      strm->msg == NULL ? "compressed data error" : strm->msg);
+                     strm->msg == NULL ? "compressed data error" : strm->msg);
             return -1;
         }
     } while (strm->avail_out && ret != Z_STREAM_END);
 
-    /* update available output and crc check value */
-    state->have = had - strm->avail_out;
-    state->next = strm->next_out - state->have;
-    strm->adler = crc32(strm->adler, state->next, state->have);
+    /* update available output */
+    state->x.have = had - strm->avail_out;
+    state->x.next = strm->next_out - state->x.have;
 
-    /* check gzip trailer if at end of deflate stream */
-    if (ret == Z_STREAM_END) {
-        if (gz_next4(state, &crc) == -1 || gz_next4(state, &len) == -1) {
-            gz_error(state, Z_DATA_ERROR, "unexpected end of file");
-            return -1;
-        }
-        if (crc != strm->adler) {
-            gz_error(state, Z_DATA_ERROR, "incorrect data check");
-            return -1;
-        }
-        if (len != (strm->total_out & 0xffffffffL)) {
-            gz_error(state, Z_DATA_ERROR, "incorrect length check");
-            return -1;
-        }
-        state->how = LOOK;      /* ready for next stream, once have is 0 (leave
-                                   state->direct unchanged to remember how) */
-    }
+    /* if the gzip stream completed successfully, look for another */
+    if (ret == Z_STREAM_END)
+        state->how = LOOK;
 
     /* good decompression */
     return 0;
 }
 
-/* Make data and put in the output buffer.  Assumes that state->have == 0.
+/* Fetch data and put it in the output buffer.  Assumes state->x.have is 0.
    Data is either copied from the input file or decompressed from the input
    file depending on state->how.  If state->how is LOOK, then a gzip header is
-   looked for (and skipped if found) to determine wither to copy or decompress.
-   Returns -1 on error, otherwise 0.  gz_make() will leave state->have as COPY
-   or GZIP unless the end of the input file has been reached and all data has
-   been processed.  */
-local int gz_make(state)
+   looked for to determine whether to copy or decompress.  Returns -1 on error,
+   otherwise 0.  gz_fetch() will leave state->how as COPY or GZIP unless the
+   end of the input file has been reached and all data has been processed.  */
+local int gz_fetch(state)
     gz_statep state;
 {
     z_streamp strm = &(state->strm);
 
-    if (state->how == LOOK) {           /* look for gzip header */
-        if (gz_head(state) == -1)
-            return -1;
-        if (state->have)                /* got some data from gz_head() */
+    do {
+        switch(state->how) {
+        case LOOK:      /* -> LOOK, COPY (only if never GZIP), or GZIP */
+            if (gz_look(state) == -1)
+                return -1;
+            if (state->how == LOOK)
+                return 0;
+            break;
+        case COPY:      /* -> COPY */
+            if (gz_load(state, state->out, state->size << 1, &(state->x.have))
+                    == -1)
+                return -1;
+            state->x.next = state->out;
             return 0;
-    }
-    if (state->how == COPY) {           /* straight copy */
-        if (gz_load(state, state->out, state->size << 1, &(state->have)) == -1)
-            return -1;
-        state->next = state->out;
-    }
-    else if (state->how == GZIP) {      /* decompress */
-        strm->avail_out = state->size << 1;
-        strm->next_out = state->out;
-        if (gz_decomp(state) == -1)
-            return -1;
-    }
+        case GZIP:      /* -> GZIP or LOOK (if end of gzip stream) */
+            strm->avail_out = state->size << 1;
+            strm->next_out = state->out;
+            if (gz_decomp(state) == -1)
+                return -1;
+        }
+    } while (state->x.have == 0 && (!state->eof || strm->avail_in));
     return 0;
 }
 
@@ -335,12 +262,12 @@ local int gz_skip(state, len)
     /* skip over len bytes or reach end-of-file, whichever comes first */
     while (len)
         /* skip over whatever is in output buffer */
-        if (state->have) {
-            n = GT_OFF(state->have) || (z_off64_t)state->have > len ?
-                (unsigned)len : state->have;
-            state->have -= n;
-            state->next += n;
-            state->pos += n;
+        if (state->x.have) {
+            n = GT_OFF(state->x.have) || (z_off64_t)state->x.have > len ?
+                (unsigned)len : state->x.have;
+            state->x.have -= n;
+            state->x.next += n;
+            state->x.pos += n;
             len -= n;
         }
 
@@ -351,7 +278,7 @@ local int gz_skip(state, len)
         /* need more data to skip -- load up output buffer */
         else {
             /* get more output, looking for header if required */
-            if (gz_make(state) == -1)
+            if (gz_fetch(state) == -1)
                 return -1;
         }
     return 0;
@@ -373,14 +300,15 @@ int ZEXPORT gzread(file, buf, len)
     state = (gz_statep)file;
     strm = &(state->strm);
 
-    /* check that we're reading and that there's no error */
-    if (state->mode != GZ_READ || state->err != Z_OK)
+    /* check that we're reading and that there's no (serious) error */
+    if (state->mode != GZ_READ ||
+            (state->err != Z_OK && state->err != Z_BUF_ERROR))
         return -1;
 
     /* since an int is returned, make sure len fits in one, otherwise return
        with an error (this avoids the flaw in the interface) */
     if ((int)len < 0) {
-        gz_error(state, Z_BUF_ERROR, "requested length does not fit in int");
+        gz_error(state, Z_DATA_ERROR, "requested length does not fit in int");
         return -1;
     }
 
@@ -399,49 +327,51 @@ int ZEXPORT gzread(file, buf, len)
     got = 0;
     do {
         /* first just try copying data from the output buffer */
-        if (state->have) {
-            n = state->have > len ? len : state->have;
-            memcpy(buf, state->next, n);
-            state->next += n;
-            state->have -= n;
+        if (state->x.have) {
+            n = state->x.have > len ? len : state->x.have;
+            memcpy(buf, state->x.next, n);
+            state->x.next += n;
+            state->x.have -= n;
         }
 
         /* output buffer empty -- return if we're at the end of the input */
-        else if (state->eof && strm->avail_in == 0)
+        else if (state->eof && strm->avail_in == 0) {
+            state->past = 1;        /* tried to read past end */
             break;
+        }
 
         /* need output data -- for small len or new stream load up our output
            buffer */
         else if (state->how == LOOK || len < (state->size << 1)) {
             /* get more output, looking for header if required */
-            if (gz_make(state) == -1)
+            if (gz_fetch(state) == -1)
                 return -1;
-            continue;       /* no progress yet -- go back to memcpy() above */
+            continue;       /* no progress yet -- go back to copy above */
             /* the copy above assures that we will leave with space in the
                output buffer, allowing at least one gzungetc() to succeed */
         }
 
         /* large len -- read directly into user buffer */
         else if (state->how == COPY) {      /* read directly */
-            if (gz_load(state, buf, len, &n) == -1)
+            if (gz_load(state, (unsigned char *)buf, len, &n) == -1)
                 return -1;
         }
 
         /* large len -- decompress directly into user buffer */
         else {  /* state->how == GZIP */
             strm->avail_out = len;
-            strm->next_out = buf;
+            strm->next_out = (unsigned char *)buf;
             if (gz_decomp(state) == -1)
                 return -1;
-            n = state->have;
-            state->have = 0;
+            n = state->x.have;
+            state->x.have = 0;
         }
 
         /* update progress */
         len -= n;
         buf = (char *)buf + n;
         got += n;
-        state->pos += n;
+        state->x.pos += n;
     } while (len);
 
     /* return number of bytes read into user buffer (will fit in int) */
@@ -449,6 +379,11 @@ int ZEXPORT gzread(file, buf, len)
 }
 
 /* -- see zlib.h -- */
+#ifdef Z_PREFIX_SET
+#  undef z_gzgetc
+#else
+#  undef gzgetc
+#endif
 int ZEXPORT gzgetc(file)
     gzFile file;
 {
@@ -461,15 +396,16 @@ int ZEXPORT gzgetc(file)
         return -1;
     state = (gz_statep)file;
 
-    /* check that we're reading and that there's no error */
-    if (state->mode != GZ_READ || state->err != Z_OK)
+    /* check that we're reading and that there's no (serious) error */
+    if (state->mode != GZ_READ ||
+        (state->err != Z_OK && state->err != Z_BUF_ERROR))
         return -1;
 
     /* try output buffer (no need to check for skip request) */
-    if (state->have) {
-        state->have--;
-        state->pos++;
-        return *(state->next)++;
+    if (state->x.have) {
+        state->x.have--;
+        state->x.pos++;
+        return *(state->x.next)++;
     }
 
     /* nothing there -- try gzread() */
@@ -477,6 +413,12 @@ int ZEXPORT gzgetc(file)
     return ret < 1 ? -1 : buf[0];
 }
 
+int ZEXPORT gzgetc_(file)
+gzFile file;
+{
+    return gzgetc(file);
+}
+
 /* -- see zlib.h -- */
 int ZEXPORT gzungetc(c, file)
     int c;
@@ -489,8 +431,9 @@ int ZEXPORT gzungetc(c, file)
         return -1;
     state = (gz_statep)file;
 
-    /* check that we're reading and that there's no error */
-    if (state->mode != GZ_READ || state->err != Z_OK)
+    /* check that we're reading and that there's no (serious) error */
+    if (state->mode != GZ_READ ||
+        (state->err != Z_OK && state->err != Z_BUF_ERROR))
         return -1;
 
     /* process a skip request */
@@ -505,32 +448,34 @@ int ZEXPORT gzungetc(c, file)
         return -1;
 
     /* if output buffer empty, put byte at end (allows more pushing) */
-    if (state->have == 0) {
-        state->have = 1;
-        state->next = state->out + (state->size << 1) - 1;
-        state->next[0] = c;
-        state->pos--;
+    if (state->x.have == 0) {
+        state->x.have = 1;
+        state->x.next = state->out + (state->size << 1) - 1;
+        state->x.next[0] = c;
+        state->x.pos--;
+        state->past = 0;
         return c;
     }
 
     /* if no room, give up (must have already done a gzungetc()) */
-    if (state->have == (state->size << 1)) {
-        gz_error(state, Z_BUF_ERROR, "out of room to push characters");
+    if (state->x.have == (state->size << 1)) {
+        gz_error(state, Z_DATA_ERROR, "out of room to push characters");
         return -1;
     }
 
     /* slide output data if needed and insert byte before existing data */
-    if (state->next == state->out) {
-        unsigned char *src = state->out + state->have;
+    if (state->x.next == state->out) {
+        unsigned char *src = state->out + state->x.have;
         unsigned char *dest = state->out + (state->size << 1);
         while (src > state->out)
             *--dest = *--src;
-        state->next = dest;
+        state->x.next = dest;
     }
-    state->have++;
-    state->next--;
-    state->next[0] = c;
-    state->pos--;
+    state->x.have++;
+    state->x.next--;
+    state->x.next[0] = c;
+    state->x.pos--;
+    state->past = 0;
     return c;
 }
 
@@ -550,8 +495,9 @@ char * ZEXPORT gzgets(file, buf, len)
         return NULL;
     state = (gz_statep)file;
 
-    /* check that we're reading and that there's no error */
-    if (state->mode != GZ_READ || state->err != Z_OK)
+    /* check that we're reading and that there's no (serious) error */
+    if (state->mode != GZ_READ ||
+        (state->err != Z_OK && state->err != Z_BUF_ERROR))
         return NULL;
 
     /* process a skip request */
@@ -568,32 +514,31 @@ char * ZEXPORT gzgets(file, buf, len)
     left = (unsigned)len - 1;
     if (left) do {
         /* assure that something is in the output buffer */
-        if (state->have == 0) {
-            if (gz_make(state) == -1)
-                return NULL;            /* error */
-            if (state->have == 0) {     /* end of file */
-                if (buf == str)         /* got bupkus */
-                    return NULL;
-                break;                  /* got something -- return it */
-            }
+        if (state->x.have == 0 && gz_fetch(state) == -1)
+            return NULL;                /* error */
+        if (state->x.have == 0) {       /* end of file */
+            state->past = 1;            /* read past end */
+            break;                      /* return what we have */
         }
 
         /* look for end-of-line in current output buffer */
-        n = state->have > left ? left : state->have;
-        eol = memchr(state->next, '\n', n);
+        n = state->x.have > left ? left : state->x.have;
+        eol = (unsigned char *)memchr(state->x.next, '\n', n);
         if (eol != NULL)
-            n = (unsigned)(eol - state->next) + 1;
+            n = (unsigned)(eol - state->x.next) + 1;
 
         /* copy through end-of-line, or remainder if not found */
-        memcpy(buf, state->next, n);
-        state->have -= n;
-        state->next += n;
-        state->pos += n;
+        memcpy(buf, state->x.next, n);
+        state->x.have -= n;
+        state->x.next += n;
+        state->x.pos += n;
         left -= n;
         buf += n;
     } while (left && eol == NULL);
 
-    /* found end-of-line or out of space -- terminate string and return it */
+    /* return terminated string, or if nothing, end of file */
+    if (buf == str)
+        return NULL;
     buf[0] = 0;
     return str;
 }
@@ -609,16 +554,12 @@ int ZEXPORT gzdirect(file)
         return 0;
     state = (gz_statep)file;
 
-    /* check that we're reading */
-    if (state->mode != GZ_READ)
-        return 0;
-
     /* if the state is not known, but we can find out, then do so (this is
        mainly for right after a gzopen() or gzdopen()) */
-    if (state->how == LOOK && state->have == 0)
-        (void)gz_head(state);
+    if (state->mode == GZ_READ && state->how == LOOK && state->x.have == 0)
+        (void)gz_look(state);
 
-    /* return 1 if reading direct, 0 if decompressing a gzip stream */
+    /* return 1 if transparent, 0 if processing a gzip stream */
     return state->direct;
 }
 
@@ -626,7 +567,7 @@ int ZEXPORT gzdirect(file)
 int ZEXPORT gzclose_r(file)
     gzFile file;
 {
-    int ret;
+    int ret, err;
     gz_statep state;
 
     /* get internal structure */
@@ -644,9 +585,10 @@ int ZEXPORT gzclose_r(file)
         free(state->out);
         free(state->in);
     }
+    err = state->err == Z_BUF_ERROR ? Z_BUF_ERROR : Z_OK;
     gz_error(state, Z_OK, NULL);
     free(state->path);
     ret = close(state->fd);
     free(state);
-    return ret ? Z_ERRNO : Z_OK;
+    return ret ? Z_ERRNO : err;
 }

gzwrite.c

@@ -1,5 +1,5 @@
 /* gzwrite.c -- zlib functions for writing gzip files
- * Copyright (C) 2004, 2005, 2010 Mark Adler
+ * Copyright (C) 2004, 2005, 2010, 2011, 2012, 2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -18,44 +18,55 @@ local int gz_init(state)
     int ret;
     z_streamp strm = &(state->strm);
 
-    /* allocate input and output buffers */
-    state->in = malloc(state->want);
-    state->out = malloc(state->want);
-    if (state->in == NULL || state->out == NULL) {
-        if (state->out != NULL)
-            free(state->out);
-        if (state->in != NULL)
-            free(state->in);
+    /* allocate input buffer */
+    state->in = (unsigned char *)malloc(state->want);
+    if (state->in == NULL) {
         gz_error(state, Z_MEM_ERROR, "out of memory");
         return -1;
     }
 
-    /* allocate deflate memory, set up for gzip compression */
-    strm->zalloc = Z_NULL;
-    strm->zfree = Z_NULL;
-    strm->opaque = Z_NULL;
-    ret = deflateInit2(strm, state->level, Z_DEFLATED,
-                       15 + 16, 8, state->strategy);
-    if (ret != Z_OK) {
-        free(state->in);
-        gz_error(state, Z_MEM_ERROR, "out of memory");
-        return -1;
+    /* only need output buffer and deflate state if compressing */
+    if (!state->direct) {
+        /* allocate output buffer */
+        state->out = (unsigned char *)malloc(state->want);
+        if (state->out == NULL) {
+            free(state->in);
+            gz_error(state, Z_MEM_ERROR, "out of memory");
+            return -1;
+        }
+
+        /* allocate deflate memory, set up for gzip compression */
+        strm->zalloc = Z_NULL;
+        strm->zfree = Z_NULL;
+        strm->opaque = Z_NULL;
+        ret = deflateInit2(strm, state->level, Z_DEFLATED,
+                           MAX_WBITS + 16, DEF_MEM_LEVEL, state->strategy);
+        if (ret != Z_OK) {
+            free(state->out);
+            free(state->in);
+            gz_error(state, Z_MEM_ERROR, "out of memory");
+            return -1;
+        }
     }
 
     /* mark state as initialized */
     state->size = state->want;
 
-    /* initialize write buffer */
-    strm->avail_out = state->size;
-    strm->next_out = state->out;
-    state->next = strm->next_out;
+    /* initialize write buffer if compressing */
+    if (!state->direct) {
+        strm->avail_out = state->size;
+        strm->next_out = state->out;
+        state->x.next = strm->next_out;
+    }
     return 0;
 }
 
 /* Compress whatever is at avail_in and next_in and write to the output file.
    Return -1 if there is an error writing to the output file, otherwise 0.
    flush is assumed to be a valid deflate() flush value.  If flush is Z_FINISH,
-   then the deflate() state is reset to start a new gzip stream. */
+   then the deflate() state is reset to start a new gzip stream.  If gz->direct
+   is true, then simply write to the output file without compressing, and
+   ignore flush. */
 local int gz_comp(state, flush)
     gz_statep state;
     int flush;
@@ -68,6 +79,17 @@ local int gz_comp(state, flush)
     if (state->size == 0 && gz_init(state) == -1)
         return -1;
 
+    /* write directly if requested */
+    if (state->direct) {
+        got = write(state->fd, strm->next_in, strm->avail_in);
+        if (got < 0 || (unsigned)got != strm->avail_in) {
+            gz_error(state, Z_ERRNO, zstrerror());
+            return -1;
+        }
+        strm->avail_in = 0;
+        return 0;
+    }
+
     /* run deflate() on provided input until it produces no more output */
     ret = Z_OK;
     do {
@@ -75,8 +97,8 @@ local int gz_comp(state, flush)
            doing Z_FINISH then don't write until we get to Z_STREAM_END */
         if (strm->avail_out == 0 || (flush != Z_NO_FLUSH &&
             (flush != Z_FINISH || ret == Z_STREAM_END))) {
-            have = (unsigned)(strm->next_out - state->next);
-            if (have && ((got = write(state->fd, state->next, have)) < 0 ||
+            have = (unsigned)(strm->next_out - state->x.next);
+            if (have && ((got = write(state->fd, state->x.next, have)) < 0 ||
                          (unsigned)got != have)) {
                 gz_error(state, Z_ERRNO, zstrerror());
                 return -1;
@@ -85,7 +107,7 @@ local int gz_comp(state, flush)
                 strm->avail_out = state->size;
                 strm->next_out = state->out;
             }
-            state->next = strm->next_out;
+            state->x.next = strm->next_out;
         }
 
         /* compress */
@@ -131,7 +153,7 @@ local int gz_zero(state, len)
         }
         strm->avail_in = n;
         strm->next_in = state->in;
-        state->pos += n;
+        state->x.pos += n;
         if (gz_comp(state, Z_NO_FLUSH) == -1)
             return -1;
         len -= n;
@@ -146,7 +168,6 @@ int ZEXPORT gzwrite(file, buf, len)
     unsigned len;
 {
     unsigned put = len;
-    unsigned n;
     gz_statep state;
     z_streamp strm;
 
@@ -163,7 +184,7 @@ int ZEXPORT gzwrite(file, buf, len)
     /* since an int is returned, make sure len fits in one, otherwise return
        with an error (this avoids the flaw in the interface) */
     if ((int)len < 0) {
-        gz_error(state, Z_BUF_ERROR, "requested length does not fit in int");
+        gz_error(state, Z_DATA_ERROR, "requested length does not fit in int");
         return 0;
     }
 
@@ -186,16 +207,19 @@ int ZEXPORT gzwrite(file, buf, len)
     if (len < state->size) {
         /* copy to input buffer, compress when full */
         do {
+            unsigned have, copy;
+
             if (strm->avail_in == 0)
                 strm->next_in = state->in;
-            n = state->size - strm->avail_in;
-            if (n > len)
-                n = len;
-            memcpy(strm->next_in + strm->avail_in, buf, n);
-            strm->avail_in += n;
-            state->pos += n;
-            buf = (char *)buf + n;
-            len -= n;
+            have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
+            copy = state->size - have;
+            if (copy > len)
+                copy = len;
+            memcpy(state->in + have, buf, copy);
+            strm->avail_in += copy;
+            state->x.pos += copy;
+            buf = (const char *)buf + copy;
+            len -= copy;
             if (len && gz_comp(state, Z_NO_FLUSH) == -1)
                 return 0;
         } while (len);
@@ -207,8 +231,8 @@ int ZEXPORT gzwrite(file, buf, len)
 
         /* directly compress user buffer to file */
         strm->avail_in = len;
-        strm->next_in = (voidp)buf;
-        state->pos += len;
+        strm->next_in = (z_const Bytef *)buf;
+        state->x.pos += len;
         if (gz_comp(state, Z_NO_FLUSH) == -1)
             return 0;
     }
@@ -222,6 +246,7 @@ int ZEXPORT gzputc(file, c)
     gzFile file;
     int c;
 {
+    unsigned have;
     unsigned char buf[1];
     gz_statep state;
     z_streamp strm;
@@ -245,19 +270,23 @@ int ZEXPORT gzputc(file, c)
 
     /* try writing to input buffer for speed (state->size == 0 if buffer not
        initialized) */
-    if (strm->avail_in < state->size) {
+    if (state->size) {
         if (strm->avail_in == 0)
             strm->next_in = state->in;
-        strm->next_in[strm->avail_in++] = c;
-        state->pos++;
-        return c;
+        have = (unsigned)((strm->next_in + strm->avail_in) - state->in);
+        if (have < state->size) {
+            state->in[have] = c;
+            strm->avail_in++;
+            state->x.pos++;
+            return c & 0xff;
+        }
     }
 
     /* no room in buffer or not initialized, use gz_write() */
     buf[0] = c;
     if (gzwrite(file, buf, 1) != 1)
         return -1;
-    return c;
+    return c & 0xff;
 }
 
 /* -- see zlib.h -- */
@@ -274,16 +303,15 @@ int ZEXPORT gzputs(file, str)
     return ret == 0 && len != 0 ? -1 : ret;
 }
 
-#ifdef STDC
+#if defined(STDC) || defined(Z_HAVE_STDARG_H)
 #include <stdarg.h>
 
 /* -- see zlib.h -- */
-int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
+int ZEXPORTVA gzvprintf(gzFile file, const char *format, va_list va)
 {
     int size, len;
     gz_statep state;
     z_streamp strm;
-    va_list va;
 
     /* get internal structure */
     if (file == NULL)
@@ -313,25 +341,20 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
     /* do the printf() into the input buffer, put length in len */
     size = (int)(state->size);
     state->in[size - 1] = 0;
-    va_start(va, format);
 #ifdef NO_vsnprintf
 #  ifdef HAS_vsprintf_void
-    (void)vsprintf(state->in, format, va);
-    va_end(va);
+    (void)vsprintf((char *)(state->in), format, va);
     for (len = 0; len < size; len++)
         if (state->in[len] == 0) break;
 #  else
-    len = vsprintf(state->in, format, va);
-    va_end(va);
+    len = vsprintf((char *)(state->in), format, va);
 #  endif
 #else
 #  ifdef HAS_vsnprintf_void
-    (void)vsnprintf(state->in, size, format, va);
-    va_end(va);
-    len = strlen(state->in);
+    (void)vsnprintf((char *)(state->in), size, format, va);
+    len = strlen((char *)(state->in));
 #  else
     len = vsnprintf((char *)(state->in), size, format, va);
-    va_end(va);
 #  endif
 #endif
 
@@ -342,11 +365,22 @@ int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
     /* update buffer and position, defer compression until needed */
     strm->avail_in = (unsigned)len;
     strm->next_in = state->in;
-    state->pos += len;
+    state->x.pos += len;
     return len;
 }
 
-#else /* !STDC */
+int ZEXPORTVA gzprintf(gzFile file, const char *format, ...)
+{
+    va_list va;
+    int ret;
+
+    va_start(va, format);
+    ret = gzvprintf(file, format, va);
+    va_end(va);
+    return ret;
+}
+
+#else /* !STDC && !Z_HAVE_STDARG_H */
 
 /* -- see zlib.h -- */
 int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
@@ -366,6 +400,10 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
     state = (gz_statep)file;
     strm = &(state->strm);
 
+    /* check that can really pass pointer in ints */
+    if (sizeof(int) != sizeof(void *))
+        return 0;
+
     /* check that we're writing and that there's no error */
     if (state->mode != GZ_WRITE || state->err != Z_OK)
         return 0;
@@ -390,22 +428,23 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
     state->in[size - 1] = 0;
 #ifdef NO_snprintf
 #  ifdef HAS_sprintf_void
-    sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8,
+    sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
             a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
     for (len = 0; len < size; len++)
         if (state->in[len] == 0) break;
 #  else
-    len = sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8,
-                a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
+    len = sprintf((char *)(state->in), format, a1, a2, a3, a4, a5, a6, a7, a8,
+                  a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
 #  endif
 #else
 #  ifdef HAS_snprintf_void
-    snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8,
+    snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6, a7, a8,
              a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
-    len = strlen(state->in);
+    len = strlen((char *)(state->in));
 #  else
-    len = snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8,
-                 a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
+    len = snprintf((char *)(state->in), size, format, a1, a2, a3, a4, a5, a6,
+                   a7, a8, a9, a10, a11, a12, a13, a14, a15, a16, a17, a18,
+                   a19, a20);
 #  endif
 #endif
 
@@ -416,7 +455,7 @@ int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
     /* update buffer and position, defer compression until needed */
     strm->avail_in = (unsigned)len;
     strm->next_in = state->in;
-    state->pos += len;
+    state->x.pos += len;
     return len;
 }
 
@@ -500,7 +539,7 @@ int ZEXPORT gzsetparams(file, level, strategy)
 int ZEXPORT gzclose_w(file)
     gzFile file;
 {
-    int ret = 0;
+    int ret = Z_OK;
     gz_statep state;
 
     /* get internal structure */
@@ -515,17 +554,24 @@ int ZEXPORT gzclose_w(file)
     /* check for seek request */
     if (state->seek) {
         state->seek = 0;
-        ret += gz_zero(state, state->skip);
+        if (gz_zero(state, state->skip) == -1)
+            ret = state->err;
     }
 
     /* flush, free memory, and close file */
-    ret += gz_comp(state, Z_FINISH);
-    (void)deflateEnd(&(state->strm));
-    free(state->out);
-    free(state->in);
+    if (gz_comp(state, Z_FINISH) == -1)
+        ret = state->err;
+    if (state->size) {
+        if (!state->direct) {
+            (void)deflateEnd(&(state->strm));
+            free(state->out);
+        }
+        free(state->in);
+    }
     gz_error(state, Z_OK, NULL);
     free(state->path);
-    ret += close(state->fd);
+    if (close(state->fd) == -1)
+        ret = Z_ERRNO;
     free(state);
-    return ret ? Z_ERRNO : Z_OK;
+    return ret;
 }

infback.c

@@ -1,5 +1,5 @@
 /* infback.c -- inflate using a call-back interface
- * Copyright (C) 1995-2009 Mark Adler
+ * Copyright (C) 1995-2011 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -42,10 +42,19 @@ int stream_size;
         return Z_STREAM_ERROR;
     strm->msg = Z_NULL;                 /* in case we return an error */
     if (strm->zalloc == (alloc_func)0) {
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
         strm->zalloc = zcalloc;
         strm->opaque = (voidpf)0;
+#endif
     }
-    if (strm->zfree == (free_func)0) strm->zfree = zcfree;
+    if (strm->zfree == (free_func)0)
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
+    strm->zfree = zcfree;
+#endif
     state = (struct inflate_state FAR *)ZALLOC(strm, 1,
                                                sizeof(struct inflate_state));
     if (state == Z_NULL) return Z_MEM_ERROR;
@@ -246,7 +255,7 @@ out_func out;
 void FAR *out_desc;
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *next;    /* next input */
+    z_const unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have, left;        /* available input and output */
     unsigned long hold;         /* bit buffer */
@@ -394,7 +403,6 @@ void FAR *out_desc;
                     PULLBYTE();
                 }
                 if (here.val < 16) {
-                    NEEDBITS(here.bits);
                     DROPBITS(here.bits);
                     state->lens[state->have++] = here.val;
                 }

inffast.c

@@ -1,5 +1,5 @@
 /* inffast.c -- fast decoding
- * Copyright (C) 1995-2008 Mark Adler
+ * Copyright (C) 1995-2008, 2010, 2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -64,13 +64,13 @@
       requires strm->avail_out >= 258 for each loop to avoid checking for
       output space.
  */
-void inflate_fast(strm, start)
+void ZLIB_INTERNAL inflate_fast(strm, start)
 z_streamp strm;
 unsigned start;         /* inflate()'s starting value for strm->avail_out */
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *in;      /* local strm->next_in */
-    unsigned char FAR *last;    /* while in < last, enough input available */
+    z_const unsigned char FAR *in;      /* local strm->next_in */
+    z_const unsigned char FAR *last;    /* have enough input while in < last */
     unsigned char FAR *out;     /* local strm->next_out */
     unsigned char FAR *beg;     /* inflate()'s initial strm->next_out */
     unsigned char FAR *end;     /* while out < end, enough space available */

inffast.h

@@ -1,5 +1,5 @@
 /* inffast.h -- header to use inffast.c
- * Copyright (C) 1995-2003 Mark Adler
+ * Copyright (C) 1995-2003, 2010 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -8,4 +8,4 @@
    subject to change. Applications should only use zlib.h.
  */
 
-void inflate_fast OF((z_streamp strm, unsigned start));
+void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));

inffixed.h

@@ -2,9 +2,9 @@
      * Generated automatically by makefixed().
      */
 
-    /* WARNING: this file should *not* be used by applications. It
-       is part of the implementation of the compression library and
-       is subject to change. Applications should only use zlib.h.
+    /* WARNING: this file should *not* be used by applications.
+       It is part of the implementation of this library and is
+       subject to change. Applications should only use zlib.h.
      */
 
     static const code lenfix[512] = {

inflate.c

@@ -1,5 +1,5 @@
 /* inflate.c -- zlib decompression
- * Copyright (C) 1995-2010 Mark Adler
+ * Copyright (C) 1995-2012 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -93,14 +93,15 @@
 
 /* function prototypes */
 local void fixedtables OF((struct inflate_state FAR *state));
-local int updatewindow OF((z_streamp strm, unsigned out));
+local int updatewindow OF((z_streamp strm, const unsigned char FAR *end,
+                           unsigned copy));
 #ifdef BUILDFIXED
    void makefixed OF((void));
 #endif
-local unsigned syncsearch OF((unsigned FAR *have, unsigned char FAR *buf,
+local unsigned syncsearch OF((unsigned FAR *have, const unsigned char FAR *buf,
                               unsigned len));
 
-int ZEXPORT inflateReset(strm)
+int ZEXPORT inflateResetKeep(strm)
 z_streamp strm;
 {
     struct inflate_state FAR *state;
@@ -109,15 +110,13 @@ z_streamp strm;
     state = (struct inflate_state FAR *)strm->state;
     strm->total_in = strm->total_out = state->total = 0;
     strm->msg = Z_NULL;
-    strm->adler = 1;        /* to support ill-conceived Java test suite */
+    if (state->wrap)        /* to support ill-conceived Java test suite */
+        strm->adler = state->wrap & 1;
     state->mode = HEAD;
     state->last = 0;
     state->havedict = 0;
     state->dmax = 32768U;
     state->head = Z_NULL;
-    state->wsize = 0;
-    state->whave = 0;
-    state->wnext = 0;
     state->hold = 0;
     state->bits = 0;
     state->lencode = state->distcode = state->next = state->codes;
@@ -127,6 +126,19 @@ z_streamp strm;
     return Z_OK;
 }
 
+int ZEXPORT inflateReset(strm)
+z_streamp strm;
+{
+    struct inflate_state FAR *state;
+
+    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
+    state = (struct inflate_state FAR *)strm->state;
+    state->wsize = 0;
+    state->whave = 0;
+    state->wnext = 0;
+    return inflateResetKeep(strm);
+}
+
 int ZEXPORT inflateReset2(strm, windowBits)
 z_streamp strm;
 int windowBits;
@@ -180,10 +192,19 @@ int stream_size;
     if (strm == Z_NULL) return Z_STREAM_ERROR;
     strm->msg = Z_NULL;                 /* in case we return an error */
     if (strm->zalloc == (alloc_func)0) {
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
         strm->zalloc = zcalloc;
         strm->opaque = (voidpf)0;
+#endif
     }
-    if (strm->zfree == (free_func)0) strm->zfree = zcfree;
+    if (strm->zfree == (free_func)0)
+#ifdef Z_SOLO
+        return Z_STREAM_ERROR;
+#else
+        strm->zfree = zcfree;
+#endif
     state = (struct inflate_state FAR *)
             ZALLOC(strm, 1, sizeof(struct inflate_state));
     if (state == Z_NULL) return Z_MEM_ERROR;
@@ -321,8 +342,8 @@ void makefixed()
     low = 0;
     for (;;) {
         if ((low % 7) == 0) printf("\n        ");
-        printf("{%u,%u,%d}", state.lencode[low].op, state.lencode[low].bits,
-               state.lencode[low].val);
+        printf("{%u,%u,%d}", (low & 127) == 99 ? 64 : state.lencode[low].op,
+               state.lencode[low].bits, state.lencode[low].val);
         if (++low == size) break;
         putchar(',');
     }
@@ -355,12 +376,13 @@ void makefixed()
    output will fall in the output data, making match copies simpler and faster.
    The advantage may be dependent on the size of the processor's data caches.
  */
-local int updatewindow(strm, out)
+local int updatewindow(strm, end, copy)
 z_streamp strm;
-unsigned out;
+const Bytef *end;
+unsigned copy;
 {
     struct inflate_state FAR *state;
-    unsigned copy, dist;
+    unsigned dist;
 
     state = (struct inflate_state FAR *)strm->state;
 
@@ -380,19 +402,18 @@ unsigned out;
     }
 
     /* copy state->wsize or less output bytes into the circular window */
-    copy = out - strm->avail_out;
     if (copy >= state->wsize) {
-        zmemcpy(state->window, strm->next_out - state->wsize, state->wsize);
+        zmemcpy(state->window, end - state->wsize, state->wsize);
         state->wnext = 0;
         state->whave = state->wsize;
     }
     else {
         dist = state->wsize - state->wnext;
         if (dist > copy) dist = copy;
-        zmemcpy(state->window + state->wnext, strm->next_out - copy, dist);
+        zmemcpy(state->window + state->wnext, end - copy, dist);
         copy -= dist;
         if (copy) {
-            zmemcpy(state->window, strm->next_out - copy, copy);
+            zmemcpy(state->window, end - copy, copy);
             state->wnext = copy;
             state->whave = state->wsize;
         }
@@ -499,11 +520,6 @@ unsigned out;
         bits -= bits & 7; \
     } while (0)
 
-/* Reverse the bytes in a 32-bit value */
-#define REVERSE(q) \
-    ((((q) >> 24) & 0xff) + (((q) >> 8) & 0xff00) + \
-     (((q) & 0xff00) << 8) + (((q) & 0xff) << 24))
-
 /*
    inflate() uses a state machine to process as much input data and generate as
    much output data as possible before returning.  The state machine is
@@ -591,7 +607,7 @@ z_streamp strm;
 int flush;
 {
     struct inflate_state FAR *state;
-    unsigned char FAR *next;    /* next input */
+    z_const unsigned char FAR *next;    /* next input */
     unsigned char FAR *put;     /* next output */
     unsigned have, left;        /* available input and output */
     unsigned long hold;         /* bit buffer */
@@ -797,7 +813,7 @@ int flush;
 #endif
         case DICTID:
             NEEDBITS(32);
-            strm->adler = state->check = REVERSE(hold);
+            strm->adler = state->check = ZSWAP32(hold);
             INITBITS();
             state->mode = DICT;
         case DICT:
@@ -905,7 +921,7 @@ int flush;
             while (state->have < 19)
                 state->lens[order[state->have++]] = 0;
             state->next = state->codes;
-            state->lencode = (code const FAR *)(state->next);
+            state->lencode = (const code FAR *)(state->next);
             state->lenbits = 7;
             ret = inflate_table(CODES, state->lens, 19, &(state->next),
                                 &(state->lenbits), state->work);
@@ -925,7 +941,6 @@ int flush;
                     PULLBYTE();
                 }
                 if (here.val < 16) {
-                    NEEDBITS(here.bits);
                     DROPBITS(here.bits);
                     state->lens[state->have++] = here.val;
                 }
@@ -980,7 +995,7 @@ int flush;
                values here (9 and 6) without reading the comments in inftrees.h
                concerning the ENOUGH constants, which depend on those values */
             state->next = state->codes;
-            state->lencode = (code const FAR *)(state->next);
+            state->lencode = (const code FAR *)(state->next);
             state->lenbits = 9;
             ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
                                 &(state->lenbits), state->work);
@@ -989,7 +1004,7 @@ int flush;
                 state->mode = BAD;
                 break;
             }
-            state->distcode = (code const FAR *)(state->next);
+            state->distcode = (const code FAR *)(state->next);
             state->distbits = 6;
             ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
                             &(state->next), &(state->distbits), state->work);
@@ -1170,7 +1185,7 @@ int flush;
 #ifdef GUNZIP
                      state->flags ? hold :
 #endif
-                     REVERSE(hold)) != state->check) {
+                     ZSWAP32(hold)) != state->check) {
                     strm->msg = (char *)"incorrect data check";
                     state->mode = BAD;
                     break;
@@ -1214,8 +1229,9 @@ int flush;
      */
   inf_leave:
     RESTORE();
-    if (state->wsize || (state->mode < CHECK && out != strm->avail_out))
-        if (updatewindow(strm, out)) {
+    if (state->wsize || (out != strm->avail_out && state->mode < BAD &&
+            (state->mode < CHECK || flush != Z_FINISH)))
+        if (updatewindow(strm, strm->next_out, out - strm->avail_out)) {
             state->mode = MEM;
             return Z_MEM_ERROR;
         }
@@ -1249,13 +1265,37 @@ z_streamp strm;
     return Z_OK;
 }
 
+int ZEXPORT inflateGetDictionary(strm, dictionary, dictLength)
+z_streamp strm;
+Bytef *dictionary;
+uInt *dictLength;
+{
+    struct inflate_state FAR *state;
+
+    /* check state */
+    if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
+    state = (struct inflate_state FAR *)strm->state;
+
+    /* copy dictionary */
+    if (state->whave && dictionary != Z_NULL) {
+        zmemcpy(dictionary, state->window + state->wnext,
+                state->whave - state->wnext);
+        zmemcpy(dictionary + state->whave - state->wnext,
+                state->window, state->wnext);
+    }
+    if (dictLength != Z_NULL)
+        *dictLength = state->whave;
+    return Z_OK;
+}
+
 int ZEXPORT inflateSetDictionary(strm, dictionary, dictLength)
 z_streamp strm;
 const Bytef *dictionary;
 uInt dictLength;
 {
     struct inflate_state FAR *state;
-    unsigned long id;
+    unsigned long dictid;
+    int ret;
 
     /* check state */
     if (strm == Z_NULL || strm->state == Z_NULL) return Z_STREAM_ERROR;
@@ -1263,29 +1303,21 @@ uInt dictLength;
     if (state->wrap != 0 && state->mode != DICT)
         return Z_STREAM_ERROR;
 
-    /* check for correct dictionary id */
+    /* check for correct dictionary identifier */
     if (state->mode == DICT) {
-        id = adler32(0L, Z_NULL, 0);
-        id = adler32(id, dictionary, dictLength);
-        if (id != state->check)
+        dictid = adler32(0L, Z_NULL, 0);
+        dictid = adler32(dictid, dictionary, dictLength);
+        if (dictid != state->check)
             return Z_DATA_ERROR;
     }
 
-    /* copy dictionary to window */
-    if (updatewindow(strm, strm->avail_out)) {
+    /* copy dictionary to window using updatewindow(), which will amend the
+       existing dictionary if appropriate */
+    ret = updatewindow(strm, dictionary + dictLength, dictLength);
+    if (ret) {
         state->mode = MEM;
         return Z_MEM_ERROR;
     }
-    if (dictLength > state->wsize) {
-        zmemcpy(state->window, dictionary + dictLength - state->wsize,
-                state->wsize);
-        state->whave = state->wsize;
-    }
-    else {
-        zmemcpy(state->window + state->wsize - dictLength, dictionary,
-                dictLength);
-        state->whave = dictLength;
-    }
     state->havedict = 1;
     Tracev((stderr, "inflate:   dictionary set\n"));
     return Z_OK;
@@ -1321,7 +1353,7 @@ gz_headerp head;
  */
 local unsigned syncsearch(have, buf, len)
 unsigned FAR *have;
-unsigned char FAR *buf;
+const unsigned char FAR *buf;
 unsigned len;
 {
     unsigned got;
@@ -1433,8 +1465,8 @@ z_streamp source;
     }
 
     /* copy state */
-    zmemcpy(dest, source, sizeof(z_stream));
-    zmemcpy(copy, state, sizeof(struct inflate_state));
+    zmemcpy((voidpf)dest, (voidpf)source, sizeof(z_stream));
+    zmemcpy((voidpf)copy, (voidpf)state, sizeof(struct inflate_state));
     if (state->lencode >= state->codes &&
         state->lencode <= state->codes + ENOUGH - 1) {
         copy->lencode = copy->codes + (state->lencode - state->codes);

inftrees.c

@@ -1,5 +1,5 @@
 /* inftrees.c -- generate Huffman trees for efficient decoding
- * Copyright (C) 1995-2010 Mark Adler
+ * Copyright (C) 1995-2013 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -9,7 +9,7 @@
 #define MAXBITS 15
 
 const char inflate_copyright[] =
-   " inflate 1.2.4 Copyright 1995-2010 Mark Adler ";
+   " inflate 1.2.8 Copyright 1995-2013 Mark Adler ";
 /*
   If you use the zlib library in a product, an acknowledgment is welcome
   in the documentation of your product. If for some reason you cannot
@@ -29,7 +29,7 @@ const char inflate_copyright[] =
    table index bits.  It will differ if the request is greater than the
    longest code or if it is less than the shortest code.
  */
-int inflate_table(type, lens, codes, table, bits, work)
+int ZLIB_INTERNAL inflate_table(type, lens, codes, table, bits, work)
 codetype type;
 unsigned short FAR *lens;
 unsigned codes;
@@ -62,7 +62,7 @@ unsigned short FAR *work;
         35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
     static const unsigned short lext[31] = { /* Length codes 257..285 extra */
         16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
-        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 198, 71};
+        19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 72, 78};
     static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
         1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
         257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
@@ -208,8 +208,8 @@ unsigned short FAR *work;
     mask = used - 1;            /* mask for comparing low */
 
     /* check available table space */
-    if ((type == LENS && used >= ENOUGH_LENS) ||
-        (type == DISTS && used >= ENOUGH_DISTS))
+    if ((type == LENS && used > ENOUGH_LENS) ||
+        (type == DISTS && used > ENOUGH_DISTS))
         return 1;
 
     /* process all codes and make table entries */
@@ -277,8 +277,8 @@ unsigned short FAR *work;
 
             /* check for enough space */
             used += 1U << curr;
-            if ((type == LENS && used >= ENOUGH_LENS) ||
-                (type == DISTS && used >= ENOUGH_DISTS))
+            if ((type == LENS && used > ENOUGH_LENS) ||
+                (type == DISTS && used > ENOUGH_DISTS))
                 return 1;
 
             /* point entry in root table to sub-table */
@@ -289,38 +289,14 @@ unsigned short FAR *work;
         }
     }
 
-    /*
-       Fill in rest of table for incomplete codes.  This loop is similar to the
-       loop above in incrementing huff for table indices.  It is assumed that
-       len is equal to curr + drop, so there is no loop needed to increment
-       through high index bits.  When the current sub-table is filled, the loop
-       drops back to the root table to fill in any remaining entries there.
-     */
-    here.op = (unsigned char)64;                /* invalid code marker */
-    here.bits = (unsigned char)(len - drop);
-    here.val = (unsigned short)0;
-    while (huff != 0) {
-        /* when done with sub-table, drop back to root table */
-        if (drop != 0 && (huff & mask) != low) {
-            drop = 0;
-            len = root;
-            next = *table;
-            here.bits = (unsigned char)len;
-        }
-
-        /* put invalid code marker in table */
-        next[huff >> drop] = here;
-
-        /* backwards increment the len-bit code huff */
-        incr = 1U << (len - 1);
-        while (huff & incr)
-            incr >>= 1;
-        if (incr != 0) {
-            huff &= incr - 1;
-            huff += incr;
-        }
-        else
-            huff = 0;
+    /* fill in remaining table entry if code is incomplete (guaranteed to have
+       at most one remaining entry, since if the code is incomplete, the
+       maximum code length that was allowed to get this far is one bit) */
+    if (huff != 0) {
+        here.op = (unsigned char)64;            /* invalid code marker */
+        here.bits = (unsigned char)(len - drop);
+        here.val = (unsigned short)0;
+        next[huff] = here;
     }
 
     /* set return parameters */

inftrees.h

@@ -1,5 +1,5 @@
 /* inftrees.h -- header to use inftrees.c
- * Copyright (C) 1995-2005 Mark Adler
+ * Copyright (C) 1995-2005, 2010 Mark Adler
  * For conditions of distribution and use, see copyright notice in zlib.h
  */
 
@@ -57,6 +57,6 @@ typedef enum {
     DISTS
 } codetype;
 
-extern int inflate_table OF((codetype type, unsigned short FAR *lens,
+int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
                              unsigned codes, code FAR * FAR *table,
                              unsigned FAR *bits, unsigned short FAR *work));

make_vms.com

@@ -3,7 +3,7 @@ $! Martin P.J. Zinser
 $!
 $! In case of problems with the install you might contact me at
 $! zinser@zinser.no-ip.info(preferred) or
-$! zinser@sysdev.deutsche-boerse.com (work)
+$! martin.zinser@eurexchange.com (work)
 $!
 $! Make procedure history for Zlib
 $!
@@ -14,9 +14,16 @@ $! 0.02 20061008 Adapt to new Makefile.in
 $! 0.03 20091224 Add support for large file check
 $! 0.04 20100110 Add new gzclose, gzlib, gzread, gzwrite
 $! 0.05 20100221 Exchange zlibdefs.h by zconf.h.in
+$! 0.06 20120111 Fix missing amiss_err, update zconf_h.in, fix new exmples
+$!               subdir path, update module search in makefile.in
+$! 0.07 20120115 Triggered by work done by Alexey Chupahin completly redesigned
+$!               shared image creation
+$! 0.08 20120219 Make it work on VAX again, pre-load missing symbols to shared
+$!               image
+$! 0.09 20120305 SMS.  P1 sets builder ("MMK", "MMS", " " (built-in)).
+$!               "" -> automatic, preference: MMK, MMS, built-in.
 $!
 $ on error then goto err_exit
-$ set proc/parse=ext
 $!
 $ true  = 1
 $ false = 0
@@ -32,31 +39,43 @@ $ s_case   = False
 $!
 $! Setup variables holding "config" information
 $!
-$ Make    = ""
+$ Make    = "''p1'"
 $ name     = "Zlib"
 $ version  = "?.?.?"
 $ v_string = "ZLIB_VERSION"
 $ v_file   = "zlib.h"
-$ ccopt   = ""
+$ ccopt   = "/include = []"
 $ lopts   = ""
 $ dnsrl   = ""
-$ aconf_in_file = "zconf.h.in#zconf.h_in"
+$ aconf_in_file = "zconf.h.in#zconf.h_in#zconf_h.in"
 $ conf_check_string = ""
 $ linkonly = false
 $ optfile  = name + ".opt"
+$ mapfile  = name + ".map"
 $ libdefs  = ""
+$ vax      = f$getsyi("HW_MODEL").lt.1024
 $ axp      = f$getsyi("HW_MODEL").ge.1024 .and. f$getsyi("HW_MODEL").lt.4096
+$ ia64     = f$getsyi("HW_MODEL").ge.4096
 $!
-$ whoami = f$parse(f$enviornment("Procedure"),,,,"NO_CONCEAL")
+$! 2012-03-05 SMS.
+$! Why is this needed?  And if it is needed, why not simply ".not. vax"?
+$!
+$!!! if axp .or. ia64 then  set proc/parse=extended
+$!
+$ whoami = f$parse(f$environment("Procedure"),,,,"NO_CONCEAL")
 $ mydef  = F$parse(whoami,,,"DEVICE")
 $ mydir  = f$parse(whoami,,,"DIRECTORY") - "]["
 $ myproc = f$parse(whoami,,,"Name") + f$parse(whoami,,,"type")
 $!
 $! Check for MMK/MMS
 $!
-$ If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS"
-$ If F$Type (MMK) .eqs. "STRING" Then Make = "MMK"
-$!
+$ if (Make .eqs. "")
+$ then
+$   If F$Search ("Sys$System:MMS.EXE") .nes. "" Then Make = "MMS"
+$   If F$Type (MMK) .eqs. "STRING" Then Make = "MMK"
+$ else
+$   Make = f$edit( Make, "trim")
+$ endif
 $!
 $ gosub find_version
 $!
@@ -69,6 +88,7 @@ $! Look for the compiler used
 $!
 $ gosub check_compiler
 $ close topt
+$ close optf
 $!
 $ if its_decc
 $ then
@@ -83,6 +103,15 @@ $       ccopt = "/decc" + ccopt
 $       define sys decc$library_include:
 $     endif
 $   endif
+$!
+$! 2012-03-05 SMS.
+$! Why /NAMES = AS_IS?  Why not simply ".not. vax"?  And why not on VAX?
+$!
+$   if axp .or. ia64
+$   then
+$       ccopt = ccopt + "/name=as_is/opt=(inline=speed)"
+$       s_case = true
+$   endif
 $ endif
 $ if its_vaxc .or. its_gnuc
 $ then
@@ -122,15 +151,20 @@ $   gosub check_config
 $ endif
 $ goto aconf_loop
 $ACONF_EXIT:
+$ write aconf ""
+$ write aconf "/* VMS specifics added by make_vms.com: */"
 $ write aconf "#define VMS 1"
 $ write aconf "#include <unistd.h>"
 $ write aconf "#include <unixio.h>"
 $ write aconf "#ifdef _LARGEFILE"
-$ write aconf "#define off64_t __off64_t"
-$ write aconf "#define fopen64 fopen"
-$ write aconf "#define fseeko64 fseeko"
-$ write aconf "#define lseek64 lseek"
-$ write aconf "#define ftello64 ftell"
+$ write aconf "# define off64_t __off64_t"
+$ write aconf "# define fopen64 fopen"
+$ write aconf "# define fseeko64 fseeko"
+$ write aconf "# define lseek64 lseek"
+$ write aconf "# define ftello64 ftell"
+$ write aconf "#endif"
+$ write aconf "#if !defined( __VAX) && (__CRTL_VER >= 70312000)"
+$ write aconf "# define HAVE_VSNPRINTF"
 $ write aconf "#endif"
 $ close aconf_in
 $ close aconf
@@ -139,8 +173,9 @@ $! Build the thing plain or with mms
 $!
 $ write sys$output "Compiling Zlib sources ..."
 $ if make.eqs.""
-$  then
-$   dele example.obj;*,minigzip.obj;*
+$ then
+$   if (f$search( "example.obj;*") .nes. "") then delete example.obj;*
+$   if (f$search( "minigzip.obj;*") .nes. "") then delete minigzip.obj;*
 $   CALL MAKE adler32.OBJ "CC ''CCOPT' adler32" -
                 adler32.c zlib.h zconf.h
 $   CALL MAKE compress.OBJ "CC ''CCOPT' compress" -
@@ -174,41 +209,34 @@ $   CALL MAKE zutil.OBJ "CC ''CCOPT' zutil" -
 $   write sys$output "Building Zlib ..."
 $   CALL MAKE libz.OLB "lib/crea libz.olb *.obj" *.OBJ
 $   write sys$output "Building example..."
-$   CALL MAKE example.OBJ "CC ''CCOPT' example" -
-                example.c zlib.h zconf.h
+$   CALL MAKE example.OBJ "CC ''CCOPT' [.test]example" -
+                [.test]example.c zlib.h zconf.h
 $   call make example.exe "LINK example,libz.olb/lib" example.obj libz.olb
-$   if f$search("x11vms:xvmsutils.olb") .nes. ""
-$   then
-$     write sys$output "Building minigzip..."
-$     CALL MAKE minigzip.OBJ "CC ''CCOPT' minigzip" -
-                minigzip.c zlib.h zconf.h
-$     call make minigzip.exe -
-                "LINK minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib" -
-                minigzip.obj libz.olb
-$   endif
-$  else
+$   write sys$output "Building minigzip..."
+$   CALL MAKE minigzip.OBJ "CC ''CCOPT' [.test]minigzip" -
+              [.test]minigzip.c zlib.h zconf.h
+$   call make minigzip.exe -
+              "LINK minigzip,libz.olb/lib" -
+              minigzip.obj libz.olb
+$ else
 $   gosub crea_mms
 $   write sys$output "Make ''name' ''version' with ''Make' "
 $   'make'
-$  endif
-$!
-$! Alpha gets a shareable image
-$!
-$ If axp
-$ Then
-$   gosub crea_olist
-$   write sys$output "Creating libzshr.exe"
-$   call anal_obj_axp modules.opt _link.opt
-$   if s_case
-$   then
-$      open/append optf modules.opt
-$      write optf "case_sensitive=YES"
-$      close optf
-$   endif
-$   LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,_link.opt/opt
 $ endif
+$!
+$! Create shareable image
+$!
+$ gosub crea_olist
+$ write sys$output "Creating libzshr.exe"
+$ call map_2_shopt 'mapfile' 'optfile'
+$ LINK_'lopts'/SHARE=libzshr.exe modules.opt/opt,'optfile'/opt
 $ write sys$output "Zlib build completed"
+$ delete/nolog tmp.opt;*
 $ exit
+$AMISS_ERR:
+$ write sys$output "No source for config.hin found."
+$ write sys$output "Tried any of ''aconf_in_file'"
+$ goto err_exit
 $CC_ERR:
 $ write sys$output "C compiler required to build ''name'"
 $ goto err_exit
@@ -216,7 +244,6 @@ $ERR_EXIT:
 $ set message/facil/ident/sever/text
 $ close/nolog optf
 $ close/nolog topt
-$ close/nolog conf_hin
 $ close/nolog aconf_in
 $ close/nolog aconf
 $ close/nolog out
@@ -397,7 +424,7 @@ $ copy sys$input: out
 $ deck
 # descrip.mms: MMS description file for building zlib on VMS
 # written by Martin P.J. Zinser
-# <zinser@zinser.no-ip.info or zinser@sysdev.deutsche-boerse.com>
+# <zinser@zinser.no-ip.info or martin.zinser@eurexchange.com>
 
 OBJS = adler32.obj, compress.obj, crc32.obj, gzclose.obj, gzlib.obj\
        gzread.obj, gzwrite.obj, uncompr.obj, infback.obj\
@@ -407,10 +434,9 @@ OBJS = adler32.obj, compress.obj, crc32.obj, gzclose.obj, gzlib.obj\
 $ eod
 $ write out "CFLAGS=", ccopt
 $ write out "LOPTS=", lopts
+$ write out "all : example.exe minigzip.exe libz.olb"
 $ copy sys$input: out
 $ deck
-
-all : example.exe minigzip.exe libz.olb
         @ write sys$output " Example applications available"
 
 libz.olb : libz.olb($(OBJS))
@@ -420,7 +446,7 @@ example.exe : example.obj libz.olb
               link $(LOPTS) example,libz.olb/lib
 
 minigzip.exe : minigzip.obj libz.olb
-              link $(LOPTS) minigzip,libz.olb/lib,x11vms:xvmsutils.olb/lib
+              link $(LOPTS) minigzip,libz.olb/lib
 
 clean :
 	delete *.obj;*,libz.olb;*,*.opt;*,*.exe;*
@@ -431,7 +457,7 @@ adler32.obj  : adler32.c zutil.h zlib.h zconf.h
 compress.obj : compress.c zlib.h zconf.h
 crc32.obj    : crc32.c zutil.h zlib.h zconf.h
 deflate.obj  : deflate.c deflate.h zutil.h zlib.h zconf.h
-example.obj  : example.c zlib.h zconf.h
+example.obj  : [.test]example.c zlib.h zconf.h
 gzclose.obj  : gzclose.c zutil.h zlib.h zconf.h
 gzlib.obj    : gzlib.c zutil.h zlib.h zconf.h
 gzread.obj   : gzread.c zutil.h zlib.h zconf.h
@@ -439,7 +465,7 @@ gzwrite.obj  : gzwrite.c zutil.h zlib.h zconf.h
 inffast.obj  : inffast.c zutil.h zlib.h zconf.h inftrees.h inffast.h
 inflate.obj  : inflate.c zutil.h zlib.h zconf.h
 inftrees.obj : inftrees.c zutil.h zlib.h zconf.h inftrees.h
-minigzip.obj : minigzip.c zlib.h zconf.h
+minigzip.obj : [.test]minigzip.c zlib.h zconf.h
 trees.obj    : trees.c deflate.h zutil.h zlib.h zconf.h
 uncompr.obj  : uncompr.c zlib.h zconf.h
 zutil.obj    : zutil.c zutil.h zlib.h zconf.h
@@ -455,13 +481,18 @@ $!
 $CREA_OLIST:
 $ open/read min makefile.in
 $ open/write mod modules.opt
-$ src_check = "OBJC ="
+$ src_check_list = "OBJZ =#OBJG ="
 $MRLOOP:
 $ read/end=mrdone min rec
-$ if (f$extract(0,6,rec) .nes. src_check) then goto mrloop
+$ i = 0
+$SRC_CHECK_LOOP:
+$ src_check = f$element(i, "#", src_check_list)
+$ i = i+1
+$ if src_check .eqs. "#" then goto mrloop
+$ if (f$extract(0,6,rec) .nes. src_check) then goto src_check_loop
 $ rec = rec - src_check
 $ gosub extra_filnam
-$ if (f$element(1,"\",rec) .eqs. "\") then goto mrdone
+$ if (f$element(1,"\",rec) .eqs. "\") then goto mrloop
 $MRSLOOP:
 $ read/end=mrdone min rec
 $ gosub extra_filnam
@@ -672,124 +703,6 @@ $ endif
 $ return
 $!------------------------------------------------------------------------------
 $!
-$! Analyze Object files for OpenVMS AXP to extract Procedure and Data
-$! information to build a symbol vector for a shareable image
-$! All the "brains" of this logic was suggested by Hartmut Becker
-$! (Hartmut.Becker@compaq.com). All the bugs were introduced by me
-$! (zinser@zinser.no-ip.info), so if you do have problem reports please do not
-$! bother Hartmut/HP, but get in touch with me
-$!
-$! Version history
-$! 0.01 20040406 Skip over shareable images in option file
-$! 0.02 20041109 Fix option file for shareable images with case_sensitive=YES
-$! 0.03 20050107 Skip over Identification labels in option file
-$! 0.04 20060117 Add uppercase alias to code compiled with /name=as_is
-$!
-$ ANAL_OBJ_AXP: Subroutine
-$ V = 'F$Verify(0)
-$ SAY := "WRITE_ SYS$OUTPUT"
-$
-$ IF F$SEARCH("''P1'") .EQS. ""
-$ THEN
-$    SAY "ANAL_OBJ_AXP-E-NOSUCHFILE:  Error, inputfile ''p1' not available"
-$    goto exit_aa
-$ ENDIF
-$ IF "''P2'" .EQS. ""
-$ THEN
-$    SAY "ANAL_OBJ_AXP:  Error, no output file provided"
-$    goto exit_aa
-$ ENDIF
-$
-$ open/read in 'p1
-$ create a.tmp
-$ open/append atmp a.tmp
-$ loop:
-$ read/end=end_loop in line
-$ if f$locate("/SHARE",f$edit(line,"upcase")) .lt. f$length(line)
-$ then
-$   write sys$output "ANAL_SKP_SHR-i-skipshare, ''line'"
-$   goto loop
-$ endif
-$ if f$locate("IDENTIFICATION=",f$edit(line,"upcase")) .lt. f$length(line)
-$ then
-$   write sys$output "ANAL_OBJ_AXP-i-ident: Identification ", -
-                     f$element(1,"=",line)
-$   goto loop
-$ endif
-$ f= f$search(line)
-$ if f .eqs. ""
-$ then
-$	write sys$output "ANAL_OBJ_AXP-w-nosuchfile, ''line'"
-$	goto loop
-$ endif
-$ define/user sys$output nl:
-$ define/user sys$error nl:
-$ anal/obj/gsd 'f /out=x.tmp
-$ open/read xtmp x.tmp
-$ XLOOP:
-$ read/end=end_xloop xtmp xline
-$ xline = f$edit(xline,"compress")
-$ write atmp xline
-$ goto xloop
-$ END_XLOOP:
-$ close xtmp
-$ goto loop
-$ end_loop:
-$ close in
-$ close atmp
-$ if f$search("a.tmp") .eqs. "" -
-	then $ exit
-$ ! all global definitions
-$ search a.tmp "symbol:","EGSY$V_DEF 1","EGSY$V_NORM 1"/out=b.tmp
-$ ! all procedures
-$ search b.tmp "EGSY$V_NORM 1"/wind=(0,1) /out=c.tmp
-$ search c.tmp "symbol:"/out=d.tmp
-$ define/user sys$output nl:
-$ edito/edt/command=sys$input d.tmp
-sub/symbol: "/symbol_vector=(/whole
-sub/"/=PROCEDURE)/whole
-exit
-$ ! all data
-$ search b.tmp "EGSY$V_DEF 1"/wind=(0,1) /out=e.tmp
-$ search e.tmp "symbol:"/out=f.tmp
-$ define/user sys$output nl:
-$ edito/edt/command=sys$input f.tmp
-sub/symbol: "/symbol_vector=(/whole
-sub/"/=DATA)/whole
-exit
-$ sort/nodupl d.tmp,f.tmp g.tmp
-$ open/read raw_vector g.tmp
-$ open/write case_vector 'p2'
-$ RAWLOOP:
-$ read/end=end_rawloop raw_vector raw_element
-$ write case_vector raw_element
-$ if f$locate("=PROCEDURE)",raw_element) .lt. f$length(raw_element)
-$ then
-$     name = f$element(1,"=",raw_element) - "("
-$     if f$edit(name,"UPCASE") .nes. name then -
-          write case_vector f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)", -
-	                          f$edit(name,"UPCASE"), name)
-$ endif
-$ if f$locate("=DATA)",raw_element) .lt. f$length(raw_element)
-$ then
-$     name = f$element(1,"=",raw_element) - "("
-$     if f$edit(name,"UPCASE") .nes. name then -
-          write case_vector f$fao(" symbol_vector=(!AS/!AS=DATA)", -
-	                          f$edit(name,"UPCASE"), name)
-$ endif
-$ goto rawloop
-$ END_RAWLOOP:
-$ close raw_vector
-$ close case_vector
-$ delete a.tmp;*,b.tmp;*,c.tmp;*,d.tmp;*,e.tmp;*,f.tmp;*,g.tmp;*
-$ if f$search("x.tmp") .nes. "" -
-	then $ delete x.tmp;*
-$!
-$ EXIT_AA:
-$ if V then set verify
-$ endsubroutine
-$!------------------------------------------------------------------------------
-$!
 $! Write configuration to both permanent and temporary config file
 $!
 $! Version history
@@ -802,3 +715,153 @@ $  write confh 'p1'
 $  close confh
 $ENDSUBROUTINE
 $!------------------------------------------------------------------------------
+$!
+$! Analyze the project map file and create the symbol vector for a shareable
+$! image from it
+$!
+$! Version history
+$! 0.01 20120128 First version
+$! 0.02 20120226 Add pre-load logic
+$!
+$ MAP_2_SHOPT: Subroutine
+$!
+$ SAY := "WRITE_ SYS$OUTPUT"
+$!
+$ IF F$SEARCH("''P1'") .EQS. ""
+$ THEN
+$    SAY "MAP_2_SHOPT-E-NOSUCHFILE:  Error, inputfile ''p1' not available"
+$    goto exit_m2s
+$ ENDIF
+$ IF "''P2'" .EQS. ""
+$ THEN
+$    SAY "MAP_2_SHOPT:  Error, no output file provided"
+$    goto exit_m2s
+$ ENDIF
+$!
+$ module1 = "deflate#deflateEnd#deflateInit_#deflateParams#deflateSetDictionary"
+$ module2 = "gzclose#gzerror#gzgetc#gzgets#gzopen#gzprintf#gzputc#gzputs#gzread"
+$ module3 = "gzseek#gztell#inflate#inflateEnd#inflateInit_#inflateSetDictionary"
+$ module4 = "inflateSync#uncompress#zlibVersion#compress"
+$ open/read map 'p1
+$ if axp .or. ia64
+$ then
+$     open/write aopt a.opt
+$     open/write bopt b.opt
+$     write aopt " CASE_SENSITIVE=YES"
+$     write bopt "SYMBOL_VECTOR= (-"
+$     mod_sym_num = 1
+$ MOD_SYM_LOOP:
+$     if f$type(module'mod_sym_num') .nes. ""
+$     then
+$         mod_in = 0
+$ MOD_SYM_IN:
+$         shared_proc = f$element(mod_in, "#", module'mod_sym_num')
+$         if shared_proc .nes. "#"
+$         then
+$             write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",-
+        		       f$edit(shared_proc,"upcase"),shared_proc)
+$             write bopt f$fao("!AS=PROCEDURE,-",shared_proc)
+$             mod_in = mod_in + 1
+$             goto mod_sym_in
+$         endif
+$         mod_sym_num = mod_sym_num + 1
+$         goto mod_sym_loop
+$     endif
+$MAP_LOOP:
+$     read/end=map_end map line
+$     if (f$locate("{",line).lt. f$length(line)) .or. -
+         (f$locate("global:", line) .lt. f$length(line))
+$     then
+$         proc = true
+$         goto map_loop
+$     endif
+$     if f$locate("}",line).lt. f$length(line) then proc = false
+$     if f$locate("local:", line) .lt. f$length(line) then proc = false
+$     if proc
+$     then
+$         shared_proc = f$edit(line,"collapse")
+$         chop_semi = f$locate(";", shared_proc)
+$         if chop_semi .lt. f$length(shared_proc) then -
+              shared_proc = f$extract(0, chop_semi, shared_proc)
+$         write aopt f$fao(" symbol_vector=(!AS/!AS=PROCEDURE)",-
+        			 f$edit(shared_proc,"upcase"),shared_proc)
+$         write bopt f$fao("!AS=PROCEDURE,-",shared_proc)
+$     endif
+$     goto map_loop
+$MAP_END:
+$     close/nolog aopt
+$     close/nolog bopt
+$     open/append libopt 'p2'
+$     open/read aopt a.opt
+$     open/read bopt b.opt
+$ALOOP:
+$     read/end=aloop_end aopt line
+$     write libopt line
+$     goto aloop
+$ALOOP_END:
+$     close/nolog aopt
+$     sv = ""
+$BLOOP:
+$     read/end=bloop_end bopt svn
+$     if (svn.nes."")
+$     then
+$        if (sv.nes."") then write libopt sv
+$        sv = svn
+$     endif
+$     goto bloop
+$BLOOP_END:
+$     write libopt f$extract(0,f$length(sv)-2,sv), "-"
+$     write libopt ")"
+$     close/nolog bopt
+$     delete/nolog/noconf a.opt;*,b.opt;*
+$ else
+$     if vax
+$     then
+$     open/append libopt 'p2'
+$     mod_sym_num = 1
+$ VMOD_SYM_LOOP:
+$     if f$type(module'mod_sym_num') .nes. ""
+$     then
+$         mod_in = 0
+$ VMOD_SYM_IN:
+$         shared_proc = f$element(mod_in, "#", module'mod_sym_num')
+$         if shared_proc .nes. "#"
+$         then
+$     	      write libopt f$fao("UNIVERSAL=!AS",-
+      	  			     f$edit(shared_proc,"upcase"))
+$             mod_in = mod_in + 1
+$             goto vmod_sym_in
+$         endif
+$         mod_sym_num = mod_sym_num + 1
+$         goto vmod_sym_loop
+$     endif
+$VMAP_LOOP:
+$     	  read/end=vmap_end map line
+$     	  if (f$locate("{",line).lt. f$length(line)) .or. -
+   	      (f$locate("global:", line) .lt. f$length(line))
+$     	  then
+$     	      proc = true
+$     	      goto vmap_loop
+$     	  endif
+$     	  if f$locate("}",line).lt. f$length(line) then proc = false
+$     	  if f$locate("local:", line) .lt. f$length(line) then proc = false
+$     	  if proc
+$     	  then
+$     	      shared_proc = f$edit(line,"collapse")
+$     	      chop_semi = f$locate(";", shared_proc)
+$     	      if chop_semi .lt. f$length(shared_proc) then -
+      	  	  shared_proc = f$extract(0, chop_semi, shared_proc)
+$     	      write libopt f$fao("UNIVERSAL=!AS",-
+      	  			     f$edit(shared_proc,"upcase"))
+$     	  endif
+$     	  goto vmap_loop
+$VMAP_END:
+$     else
+$         write sys$output "Unknown Architecture (Not VAX, AXP, or IA64)"
+$         write sys$output "No options file created"
+$     endif
+$ endif
+$ EXIT_M2S:
+$ close/nolog map
+$ close/nolog libopt
+$ endsubroutine

msdos/Makefile.bor

@@ -86,9 +86,9 @@ uncompr.obj: uncompr.c zlib.h zconf.h
 
 zutil.obj: zutil.c zutil.h zlib.h zconf.h
 
-example.obj: example.c zlib.h zconf.h
+example.obj: test/example.c zlib.h zconf.h
 
-minigzip.obj: minigzip.c zlib.h zconf.h
+minigzip.obj: test/minigzip.c zlib.h zconf.h
 
 
 # the command line is cut to fit in the MS-DOS 128 byte limit:

msdos/Makefile.msc

@@ -80,10 +80,10 @@ uncompr.obj: uncompr.c zlib.h zconf.h
 
 zutil.obj: zutil.c zutil.h zlib.h zconf.h
 
-example.obj: example.c zlib.h zconf.h
+example.obj: test/example.c zlib.h zconf.h
 	$(CC) -c $(CFLAGS) $*.c
 
-minigzip.obj: minigzip.c zlib.h zconf.h
+minigzip.obj: test/minigzip.c zlib.h zconf.h
 	$(CC) -c $(CFLAGS) $*.c