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Update to libpng 1.6.25 (#821)

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This commit is contained in:
Matthieu Darbois 2016-09-06 22:33:45 +02:00 committed by GitHub
parent 734d57d5f7
commit 275aad4df8
8 changed files with 121 additions and 30 deletions
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4
thirdparty/libpng/LICENSE vendored
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@ -10,7 +10,7 @@ this sentence.
This code is released under the libpng license.
libpng versions 1.0.7, July 1, 2000 through 1.6.24, August 4, 2016 are
libpng versions 1.0.7, July 1, 2000 through 1.6.25, September 1, 2016 are
Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
derived from libpng-1.0.6, and are distributed according to the same
disclaimer and license as libpng-1.0.6 with the following individuals
@ -127,4 +127,4 @@ any encryption software. See the EAR, paragraphs 734.3(b)(3) and
Glenn Randers-Pehrson
glennrp at users.sourceforge.net
August 4, 2016
September 1, 2016

50
thirdparty/libpng/png.c vendored
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@ -1,8 +1,8 @@
/* png.c - location for general purpose libpng functions
*
* Last changed in libpng 1.6.24 [August 4, 2016]
* Copyright (c) 1998-2002,2004,2006-2015 Glenn Randers-Pehrson
* Last changed in libpng 1.6.25 [September 1, 2016]
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
*
@ -14,7 +14,7 @@
#include "pngpriv.h"
/* Generate a compiler error if there is an old png.h in the search path. */
typedef png_libpng_version_1_6_24 Your_png_h_is_not_version_1_6_24;
typedef png_libpng_version_1_6_25 Your_png_h_is_not_version_1_6_25;
/* Tells libpng that we have already handled the first "num_bytes" bytes
* of the PNG file signature. If the PNG data is embedded into another
@ -775,14 +775,14 @@ png_get_copyright(png_const_structrp png_ptr)
#else
# ifdef __STDC__
return PNG_STRING_NEWLINE \
"libpng version 1.6.24 - August 4, 2016" PNG_STRING_NEWLINE \
"libpng version 1.6.25 - September 1, 2016" PNG_STRING_NEWLINE \
"Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson" \
PNG_STRING_NEWLINE \
"Copyright (c) 1996-1997 Andreas Dilger" PNG_STRING_NEWLINE \
"Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc." \
PNG_STRING_NEWLINE;
# else
return "libpng version 1.6.24 - August 4, 2016\
return "libpng version 1.6.25 - September 1, 2016\
Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson\
Copyright (c) 1996-1997 Andreas Dilger\
Copyright (c) 1995-1996 Guy Eric Schalnat, Group 42, Inc.";
@ -1931,8 +1931,8 @@ png_colorspace_set_sRGB(png_const_structrp png_ptr, png_colorspacerp colorspace,
static const png_byte D50_nCIEXYZ[12] =
{ 0x00, 0x00, 0xf6, 0xd6, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0xd3, 0x2d };
int /* PRIVATE */
png_icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace,
static int /* bool */
icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace,
png_const_charp name, png_uint_32 profile_length)
{
if (profile_length < 132)
@ -1942,6 +1942,40 @@ png_icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace,
return 1;
}
#ifdef PNG_READ_iCCP_SUPPORTED
int /* PRIVATE */
png_icc_check_length(png_const_structrp png_ptr, png_colorspacerp colorspace,
png_const_charp name, png_uint_32 profile_length)
{
if (!icc_check_length(png_ptr, colorspace, name, profile_length))
return 0;
/* This needs to be here because the 'normal' check is in
* png_decompress_chunk, yet this happens after the attempt to
* png_malloc_base the required data. We only need this on read; on write
* the caller supplies the profile buffer so libpng doesn't allocate it. See
* the call to icc_check_length below (the write case).
*/
# ifdef PNG_SET_USER_LIMITS_SUPPORTED
else if (png_ptr->user_chunk_malloc_max > 0 &&
png_ptr->user_chunk_malloc_max < profile_length)
return png_icc_profile_error(png_ptr, colorspace, name, profile_length,
"exceeds application limits");
# elif PNG_USER_CHUNK_MALLOC_MAX > 0
else if (PNG_USER_CHUNK_MALLOC_MAX < profile_length)
return png_icc_profile_error(png_ptr, colorspace, name, profile_length,
"exceeds libpng limits");
# else /* !SET_USER_LIMITS */
/* This will get compiled out on all 32-bit and better systems. */
else if (PNG_SIZE_MAX < profile_length)
return png_icc_profile_error(png_ptr, colorspace, name, profile_length,
"exceeds system limits");
# endif /* !SET_USER_LIMITS */
return 1;
}
#endif /* READ_iCCP */
int /* PRIVATE */
png_icc_check_header(png_const_structrp png_ptr, png_colorspacerp colorspace,
png_const_charp name, png_uint_32 profile_length,
@ -2377,7 +2411,7 @@ png_colorspace_set_ICC(png_const_structrp png_ptr, png_colorspacerp colorspace,
if ((colorspace->flags & PNG_COLORSPACE_INVALID) != 0)
return 0;
if (png_icc_check_length(png_ptr, colorspace, name, profile_length) != 0 &&
if (icc_check_length(png_ptr, colorspace, name, profile_length) != 0 &&
png_icc_check_header(png_ptr, colorspace, name, profile_length, profile,
color_type) != 0 &&
png_icc_check_tag_table(png_ptr, colorspace, name, profile_length,

28
thirdparty/libpng/png.h vendored
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@ -1,7 +1,7 @@
/* png.h - header file for PNG reference library
*
* libpng version 1.6.24, August 4, 2016
* libpng version 1.6.25, September 1, 2016
*
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
@ -12,7 +12,7 @@
* Authors and maintainers:
* libpng versions 0.71, May 1995, through 0.88, January 1996: Guy Schalnat
* libpng versions 0.89, June 1996, through 0.96, May 1997: Andreas Dilger
* libpng versions 0.97, January 1998, through 1.6.24, August 4, 2016:
* libpng versions 0.97, January 1998, through 1.6.25, September 1, 2016:
* Glenn Randers-Pehrson.
* See also "Contributing Authors", below.
*/
@ -29,7 +29,7 @@
* files that are distributed with libpng have other copyright owners and
* are released under other open source licenses.
*
* libpng versions 1.0.7, July 1, 2000 through 1.6.24, August 4, 2016 are
* libpng versions 1.0.7, July 1, 2000 through 1.6.25, September 1, 2016 are
* Copyright (c) 2000-2002, 2004, 2006-2016 Glenn Randers-Pehrson, are
* derived from libpng-1.0.6, and are distributed according to the same
* disclaimer and license as libpng-1.0.6 with the following individuals
@ -41,6 +41,7 @@
* Cosmin Truta
* Gilles Vollant
* James Yu
* Mandar Sahastrabuddhe
*
* and with the following additions to the disclaimer:
*
@ -217,7 +218,7 @@
* ...
* 1.5.27 15 10527 15.so.15.27[.0]
* ...
* 1.6.24 16 10624 16.so.16.24[.0]
* 1.6.25 16 10625 16.so.16.25[.0]
*
* Henceforth the source version will match the shared-library major
* and minor numbers; the shared-library major version number will be
@ -245,13 +246,13 @@
* Y2K compliance in libpng:
* =========================
*
* August 4, 2016
* September 1, 2016
*
* Since the PNG Development group is an ad-hoc body, we can't make
* an official declaration.
*
* This is your unofficial assurance that libpng from version 0.71 and
* upward through 1.6.24 are Y2K compliant. It is my belief that
* upward through 1.6.25 are Y2K compliant. It is my belief that
* earlier versions were also Y2K compliant.
*
* Libpng only has two year fields. One is a 2-byte unsigned integer
@ -313,8 +314,8 @@
*/
/* Version information for png.h - this should match the version in png.c */
#define PNG_LIBPNG_VER_STRING "1.6.24"
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.24 - August 4, 2016\n"
#define PNG_LIBPNG_VER_STRING "1.6.25"
#define PNG_HEADER_VERSION_STRING " libpng version 1.6.25 - September 1, 2016\n"
#define PNG_LIBPNG_VER_SONUM 16
#define PNG_LIBPNG_VER_DLLNUM 16
@ -322,7 +323,7 @@
/* These should match the first 3 components of PNG_LIBPNG_VER_STRING: */
#define PNG_LIBPNG_VER_MAJOR 1
#define PNG_LIBPNG_VER_MINOR 6
#define PNG_LIBPNG_VER_RELEASE 24
#define PNG_LIBPNG_VER_RELEASE 25
/* This should match the numeric part of the final component of
* PNG_LIBPNG_VER_STRING, omitting any leading zero:
@ -353,7 +354,7 @@
* version 1.0.0 was mis-numbered 100 instead of 10000). From
* version 1.0.1 it's xxyyzz, where x=major, y=minor, z=release
*/
#define PNG_LIBPNG_VER 10624 /* 1.6.24 */
#define PNG_LIBPNG_VER 10625 /* 1.6.25 */
/* Library configuration: these options cannot be changed after
* the library has been built.
@ -463,7 +464,7 @@ extern "C" {
/* This triggers a compiler error in png.c, if png.c and png.h
* do not agree upon the version number.
*/
typedef char* png_libpng_version_1_6_24;
typedef char* png_libpng_version_1_6_25;
/* Basic control structions. Read libpng-manual.txt or libpng.3 for more info.
*
@ -3226,7 +3227,10 @@ PNG_EXPORT(245, int, png_image_write_to_memory, (png_imagep image, void *memory,
#endif
#define PNG_MAXIMUM_INFLATE_WINDOW 2 /* SOFTWARE: force maximum window */
#define PNG_SKIP_sRGB_CHECK_PROFILE 4 /* SOFTWARE: Check ICC profile for sRGB */
#define PNG_OPTION_NEXT 6 /* Next option - numbers must be even */
#ifdef PNG_MIPS_MSA_API_SUPPORTED
# define PNG_MIPS_MSA 6 /* HARDWARE: MIPS Msa SIMD instructions supported */
#endif
#define PNG_OPTION_NEXT 8 /* Next option - numbers must be even */
/* Return values: NOTE: there are four values and 'off' is *not* zero */
#define PNG_OPTION_UNSET 0 /* Unset - defaults to off */

2
thirdparty/libpng/pngconf.h vendored
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@ -1,7 +1,7 @@
/* pngconf.h - machine configurable file for libpng
*
* libpng version 1.6.24, August 4, 2016
* libpng version 1.6.25, September 1, 2016
*
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)

4
thirdparty/libpng/pnglibconf.h vendored
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@ -1,8 +1,8 @@
/* libpng 1.6.24 STANDARD API DEFINITION */
/* libpng 1.6.25 STANDARD API DEFINITION */
/* pnglibconf.h - library build configuration */
/* Libpng version 1.6.24 - August 4, 2016 */
/* Libpng version 1.6.25 - September 1, 2016 */
/* Copyright (c) 1998-2015 Glenn Randers-Pehrson */

2
thirdparty/libpng/pngmem.c vendored
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@ -1,7 +1,7 @@
/* pngmem.c - stub functions for memory allocation
*
* Last changed in libpng 1.6.24 [August 4, 2016]
* Last changed in libpng 1.6.24 [August 4, 2016%]
* Copyright (c) 1998-2002,2004,2006-2014,2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)

57
thirdparty/libpng/pngpriv.h vendored
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@ -1,7 +1,7 @@
/* pngpriv.h - private declarations for use inside libpng
*
* Last changed in libpng 1.6.24 [August 4, 2016]
* Last changed in libpng 1.6.25 [September 1, 2016]
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -182,6 +182,35 @@
# endif
#endif /* PNG_ARM_NEON_OPT > 0 */
#ifndef PNG_MIPS_MSA_OPT
# if defined(__mips_msa) && (__mips_isa_rev >= 5) && defined(PNG_ALIGNED_MEMORY_SUPPORTED)
# define PNG_MIPS_MSA_OPT 2
# else
# define PNG_MIPS_MSA_OPT 0
# endif
#endif
#if PNG_MIPS_MSA_OPT > 0
# define PNG_FILTER_OPTIMIZATIONS png_init_filter_functions_msa
# ifndef PNG_MIPS_MSA_IMPLEMENTATION
# if defined(__mips_msa)
# if defined(__clang__)
# elif defined(__GNUC__)
# if __GNUC__ < 4 || (__GNUC__ == 4 && __GNUC_MINOR__ < 7)
# define PNG_MIPS_MSA_IMPLEMENTATION 2
# endif /* no GNUC support */
# endif /* __GNUC__ */
# else /* !defined __mips_msa */
# define PNG_MIPS_MSA_IMPLEMENTATION 2
# endif /* __mips_msa */
# endif /* !PNG_MIPS_MSA_IMPLEMENTATION */
# ifndef PNG_MIPS_MSA_IMPLEMENTATION
# define PNG_MIPS_MSA_IMPLEMENTATION 1
# endif
#endif /* PNG_MIPS_MSA_OPT > 0 */
/* Is this a build of a DLL where compilation of the object modules requires
* different preprocessor settings to those required for a simple library? If
* so PNG_BUILD_DLL must be set.
@ -1191,6 +1220,23 @@ PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_neon,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
#endif
#if PNG_MIPS_MSA_OPT > 0
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_up_msa,(png_row_infop row_info,
png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub3_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_sub4_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg3_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_avg4_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth3_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
PNG_INTERNAL_FUNCTION(void,png_read_filter_row_paeth4_msa,(png_row_infop
row_info, png_bytep row, png_const_bytep prev_row),PNG_EMPTY);
#endif
/* Choose the best filter to use and filter the row data */
PNG_INTERNAL_FUNCTION(void,png_write_find_filter,(png_structrp png_ptr,
png_row_infop row_info),PNG_EMPTY);
@ -1494,9 +1540,11 @@ PNG_INTERNAL_FUNCTION(int,png_colorspace_set_ICC,(png_const_structrp png_ptr,
/* The 'name' is used for information only */
/* Routines for checking parts of an ICC profile. */
#ifdef PNG_READ_iCCP_SUPPORTED
PNG_INTERNAL_FUNCTION(int,png_icc_check_length,(png_const_structrp png_ptr,
png_colorspacerp colorspace, png_const_charp name,
png_uint_32 profile_length), PNG_EMPTY);
#endif /* READ_iCCP */
PNG_INTERNAL_FUNCTION(int,png_icc_check_header,(png_const_structrp png_ptr,
png_colorspacerp colorspace, png_const_charp name,
png_uint_32 profile_length,
@ -1918,7 +1966,12 @@ PNG_INTERNAL_FUNCTION(void, PNG_FILTER_OPTIMIZATIONS, (png_structp png_ptr,
# if PNG_ARM_NEON_OPT > 0
PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_neon,
(png_structp png_ptr, unsigned int bpp), PNG_EMPTY);
# endif
#endif
#if PNG_MIPS_MSA_OPT > 0
PNG_INTERNAL_FUNCTION(void, png_init_filter_functions_msa,
(png_structp png_ptr, unsigned int bpp), PNG_EMPTY);
#endif
#endif
PNG_INTERNAL_FUNCTION(png_uint_32, png_check_keyword, (png_structrp png_ptr,

4
thirdparty/libpng/pngrutil.c vendored
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@ -1,7 +1,7 @@
/* pngrutil.c - utilities to read a PNG file
*
* Last changed in libpng 1.6.24 [August 4, 2016]
* Last changed in libpng 1.6.25 [September 1, 2016]
* Copyright (c) 1998-2002,2004,2006-2016 Glenn Randers-Pehrson
* (Version 0.96 Copyright (c) 1996, 1997 Andreas Dilger)
* (Version 0.88 Copyright (c) 1995, 1996 Guy Eric Schalnat, Group 42, Inc.)
@ -461,6 +461,7 @@ png_zlib_inflate(png_structrp png_ptr, int flush)
#endif /* Zlib >= 1.2.4 */
#ifdef PNG_READ_COMPRESSED_TEXT_SUPPORTED
#if defined(PNG_READ_zTXt_SUPPORTED) || defined (PNG_READ_iTXt_SUPPORTED)
/* png_inflate now returns zlib error codes including Z_OK and Z_STREAM_END to
* allow the caller to do multiple calls if required. If the 'finish' flag is
* set Z_FINISH will be passed to the final inflate() call and Z_STREAM_END must
@ -590,7 +591,6 @@ png_inflate(png_structrp png_ptr, png_uint_32 owner, int finish,
}
}
#if defined(PNG_READ_zTXt_SUPPORTED) || defined (PNG_READ_iTXt_SUPPORTED)
/*
* Decompress trailing data in a chunk. The assumption is that read_buffer
* points at an allocated area holding the contents of a chunk with a