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- /*
- * Copyright (c) 1988-1997 Sam Leffler
- * Copyright (c) 1991-1997 Silicon Graphics, Inc.
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation for any purpose is hereby granted without fee, provided
- * that (i) the above copyright notices and this permission notice appear in
- * all copies of the software and related documentation, and (ii) the names of
- * Sam Leffler and Silicon Graphics may not be used in any advertising or
- * publicity relating to the software without the specific, prior written
- * permission of Sam Leffler and Silicon Graphics.
- *
- * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
- * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
- * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
- * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
- * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
- * OF THIS SOFTWARE.
- */
-
- /*
- * TIFF Library UNIX-specific Routines.
- */
-
- /* $Id: tif_unix.c,v 1.12 2001/03/28 22:05:41 tm Exp $ */
-
- #include "tiffiop.h"
- #include "p_config.h"
- #include <stdlib.h>
-
- static tsize_t
- _tiffReadProc(FILE* fd, tdata_t buf, tsize_t size)
- {
- return ((tsize_t) fread(buf, 1, (size_t) size, fd));
- }
-
- static tsize_t
- _tiffWriteProc(FILE* fd, tdata_t buf, tsize_t size)
- {
- return ((tsize_t) fwrite(buf, 1, (size_t) size, fd));
- }
-
- static toff_t
- _tiffSeekProc(FILE* fd, toff_t off, int whence)
- {
- return ((toff_t) fseek(fd, (off_t) off, whence));
- }
-
- static int
- _tiffCloseProc(FILE* fd)
- {
- return (fclose(fd));
- }
-
- static toff_t
- _tiffSizeProc(FILE* fd)
- {
- long fsize;
- return ((fsize = fseek(fd, 0, SEEK_END)) < 0 ? 0 : fsize);
- }
-
- static int
- _tiffMapProc(FILE* fd, tdata_t* pbase, toff_t* psize)
- {
- (void) fd; (void) pbase; (void) psize;
- return (0);
- }
-
- static void
- _tiffUnmapProc(FILE* fd, tdata_t base, toff_t size)
- {
- (void) fd; (void) base; (void) size;
- }
-
- /*
- * Open a TIFF file descriptor for read/writing.
- */
- TIFF*
- TIFFFdOpen(FILE* fd, const char* name, const char* mode, void* pdflib_opaque,
- TIFFmallocHandler malloc_h, TIFFreallocHandler realloc_h,
- TIFFfreeHandler free_h, TIFFErrorHandler error_h,
- TIFFErrorHandler warn_h)
- {
- TIFF* tif;
-
- tif = TIFFClientOpen(name, mode, fd,
- _tiffReadProc, _tiffWriteProc,
- _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
- _tiffMapProc, _tiffUnmapProc, pdflib_opaque,
- malloc_h, realloc_h, free_h, error_h, warn_h);
- if (tif)
- tif->tif_fd = fd;
- return (tif);
- }
-
- /*
- * Open a TIFF file for read/writing.
- */
- TIFF*
- TIFFOpen(const char* name, const char* mode, void* pdflib_opaque,
- TIFFmallocHandler malloc_h, TIFFreallocHandler realloc_h,
- TIFFfreeHandler free_h, TIFFErrorHandler error_h,
- TIFFErrorHandler warn_h)
- {
- static const char module[] = "TIFFOpen";
- FILE *fd;
-
- if ((fd = fopen(name, READMODE)) == NULL) {
- TIFFError(module, "%s: Cannot open", name);
- return ((TIFF *)0);
- }
- return (TIFFFdOpen(fd, name, mode, pdflib_opaque,
- malloc_h, realloc_h, free_h, error_h, warn_h));
- }
-
-
- void*
- _TIFFmalloc(TIFF* tif, tsize_t s)
- {
- (void) tif;
- return (malloc((size_t) s));
- }
-
- void
- _TIFFfree(TIFF* tif, tdata_t p)
- {
- (void) tif;
- free(p);
- }
-
- void*
- _TIFFrealloc(TIFF* tif, tdata_t p, tsize_t s)
- {
- (void) tif;
- return (realloc(p, (size_t) s));
- }
-
- void
- _TIFFmemset(tdata_t p, int v, tsize_t c)
- {
- memset(p, v, (size_t) c);
- }
-
- void
- _TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
- {
- memcpy(d, s, (size_t) c);
- }
-
- int
- _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
- {
- return (memcmp(p1, p2, (size_t) c));
- }
-
- static void
- unixWarningHandler(const char* module, const char* fmt, va_list ap)
- {
- if (module != NULL)
- fprintf(stderr, "%s: ", module);
- fprintf(stderr, "Warning, ");
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, ".\n");
- }
- TIFFErrorHandler _TIFFwarningHandler = unixWarningHandler;
-
- static void
- unixErrorHandler(const char* module, const char* fmt, va_list ap)
- {
- if (module != NULL)
- fprintf(stderr, "%s: ", module);
- vfprintf(stderr, fmt, ap);
- fprintf(stderr, ".\n");
- }
- TIFFErrorHandler _TIFFerrorHandler = unixErrorHandler;
-