282 lines
6.8 KiB
C
282 lines
6.8 KiB
C
/* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/Attic/tif_apple.c,v 1.3.2.1 2010-06-08 18:50:41 bfriesen Exp $ */
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/*
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* Copyright (c) 1988-1997 Sam Leffler
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* Copyright (c) 1991-1997 Silicon Graphics, Inc.
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*
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* Permission to use, copy, modify, distribute, and sell this software and
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* its documentation for any purpose is hereby granted without fee, provided
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* that (i) the above copyright notices and this permission notice appear in
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* all copies of the software and related documentation, and (ii) the names of
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* Sam Leffler and Silicon Graphics may not be used in any advertising or
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* publicity relating to the software without the specific, prior written
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* permission of Sam Leffler and Silicon Graphics.
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*
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* THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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* WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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*
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* IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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* ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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* OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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* WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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* LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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* OF THIS SOFTWARE.
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*/
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/*
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* TIFF Library Macintosh-specific routines.
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*
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* These routines use only Toolbox and high-level File Manager traps.
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* They make no calls to the THINK C "unix" compatibility library. Also,
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* malloc is not used directly but it is still referenced internally by
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* the ANSI library in rare cases. Heap fragmentation by the malloc ring
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* buffer is therefore minimized.
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*
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* O_RDONLY and O_RDWR are treated identically here. The tif_mode flag is
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* checked in TIFFWriteCheck().
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*
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* Create below fills in a blank creator signature and sets the file type
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* to 'TIFF'. It is much better for the application to do this by Create'ing
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* the file first and TIFFOpen'ing it later.
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* ---------
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* This code has been "Carbonized", and may not work with older MacOS versions.
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* If so, grab the tif_apple.c out of an older libtiff distribution, like
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* 3.5.5 from www.libtiff.org.
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*/
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#include "tiffiop.h"
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#include <Errors.h>
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#include <Files.h>
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#include <Memory.h>
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#include <Script.h>
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#if defined(__PPCC__) || defined(__SC__) || defined(__MRC__) || defined(applec)
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#define CtoPstr c2pstr
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#endif
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static tsize_t
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_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
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{
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return (FSRead((short) fd, (long*) &size, (char*) buf) == noErr ?
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size : (tsize_t) -1);
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}
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static tsize_t
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_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
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{
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return (FSWrite((short) fd, (long*) &size, (char*) buf) == noErr ?
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size : (tsize_t) -1);
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}
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static toff_t
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_tiffSeekProc(thandle_t fd, toff_t off, int whence)
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{
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long fpos, size;
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if (GetEOF((short) fd, &size) != noErr)
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return EOF;
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(void) GetFPos((short) fd, &fpos);
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switch (whence) {
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case SEEK_CUR:
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if (off + fpos > size)
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SetEOF((short) fd, off + fpos);
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if (SetFPos((short) fd, fsFromMark, off) != noErr)
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return EOF;
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break;
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case SEEK_END:
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if (off > 0)
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SetEOF((short) fd, off + size);
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if (SetFPos((short) fd, fsFromStart, off + size) != noErr)
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return EOF;
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break;
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case SEEK_SET:
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if (off > size)
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SetEOF((short) fd, off);
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if (SetFPos((short) fd, fsFromStart, off) != noErr)
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return EOF;
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break;
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}
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return (toff_t)(GetFPos((short) fd, &fpos) == noErr ? fpos : EOF);
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}
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static int
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_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
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{
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return (0);
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}
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static void
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_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
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{
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}
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static int
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_tiffCloseProc(thandle_t fd)
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{
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return (FSClose((short) fd));
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}
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static toff_t
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_tiffSizeProc(thandle_t fd)
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{
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long size;
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if (GetEOF((short) fd, &size) != noErr) {
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TIFFErrorExt(fd, "_tiffSizeProc", "%s: Cannot get file size");
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return (-1L);
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}
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return ((toff_t) size);
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}
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/*
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* Open a TIFF file descriptor for read/writing.
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*/
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TIFF*
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TIFFFdOpen(int fd, const char* name, const char* mode)
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{
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TIFF* tif;
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tif = TIFFClientOpen(name, mode, (thandle_t) fd,
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_tiffReadProc, _tiffWriteProc, _tiffSeekProc, _tiffCloseProc,
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_tiffSizeProc, _tiffMapProc, _tiffUnmapProc);
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if (tif)
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tif->tif_fd = fd;
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return (tif);
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}
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static void ourc2pstr( char* inString )
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{
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int sLen = strlen( inString );
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BlockMoveData( inString, &inString[1], sLen );
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inString[0] = sLen;
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}
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/*
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* Open a TIFF file for read/writing.
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*/
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TIFF*
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TIFFOpen(const char* name, const char* mode)
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{
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static const char module[] = "TIFFOpen";
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Str255 pname;
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FInfo finfo;
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short fref;
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OSErr err;
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FSSpec fSpec;
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strcpy((char*) pname, name);
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ourc2pstr((char*) pname);
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err = FSMakeFSSpec( 0, 0, pname, &fSpec );
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switch (_TIFFgetMode(mode, module)) {
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default:
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return ((TIFF*) 0);
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case O_RDWR | O_CREAT | O_TRUNC:
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if (FSpGetFInfo(&fSpec, &finfo) == noErr)
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FSpDelete(&fSpec);
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/* fall through */
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case O_RDWR | O_CREAT:
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if ((err = FSpGetFInfo(&fSpec, &finfo)) == fnfErr) {
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if (FSpCreate(&fSpec, ' ', 'TIFF', smSystemScript) != noErr)
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goto badCreate;
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if (FSpOpenDF(&fSpec, fsRdWrPerm, &fref) != noErr)
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goto badOpen;
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} else if (err == noErr) {
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if (FSpOpenDF(&fSpec, fsRdWrPerm, &fref) != noErr)
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goto badOpen;
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} else
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goto badOpen;
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break;
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case O_RDONLY:
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if (FSpOpenDF(&fSpec, fsRdPerm, &fref) != noErr)
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goto badOpen;
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break;
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case O_RDWR:
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if (FSpOpenDF(&fSpec, fsRdWrPerm, &fref) != noErr)
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goto badOpen;
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break;
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}
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return (TIFFFdOpen((int) fref, name, mode));
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badCreate:
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TIFFErrorExt(0, module, "%s: Cannot create", name);
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return ((TIFF*) 0);
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badOpen:
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TIFFErrorExt(0, module, "%s: Cannot open", name);
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return ((TIFF*) 0);
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}
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void
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_TIFFmemset(tdata_t p, int v, tsize_t c)
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{
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memset(p, v, (size_t) c);
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}
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void
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_TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
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{
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memcpy(d, s, (size_t) c);
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}
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int
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_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
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{
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return (memcmp(p1, p2, (size_t) c));
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}
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tdata_t
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_TIFFmalloc(tsize_t s)
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{
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return (NewPtr((size_t) s));
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}
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void
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_TIFFfree(tdata_t p)
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{
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DisposePtr(p);
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}
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tdata_t
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_TIFFrealloc(tdata_t p, tsize_t s)
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{
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Ptr n = p;
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SetPtrSize(p, (size_t) s);
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if (MemError() && (n = NewPtr((size_t) s)) != NULL) {
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BlockMove(p, n, GetPtrSize(p));
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DisposePtr(p);
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}
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return ((tdata_t) n);
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}
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static void
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appleWarningHandler(const char* module, const char* fmt, va_list ap)
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{
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if (module != NULL)
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fprintf(stderr, "%s: ", module);
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fprintf(stderr, "Warning, ");
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, ".\n");
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}
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TIFFErrorHandler _TIFFwarningHandler = appleWarningHandler;
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static void
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appleErrorHandler(const char* module, const char* fmt, va_list ap)
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{
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if (module != NULL)
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fprintf(stderr, "%s: ", module);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, ".\n");
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}
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TIFFErrorHandler _TIFFerrorHandler = appleErrorHandler;
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/*
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* Local Variables:
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* mode: c
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* c-basic-offset: 8
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* fill-column: 78
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* End:
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*/
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