1 /* $Id: tif_unix.c,v 1.12.2.1 2010-06-08 18:50:43 bfriesen Exp $ */
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
7 * Permission to use, copy, modify, distribute, and sell this software and
8 * its documentation for any purpose is hereby granted without fee, provided
9 * that (i) the above copyright notices and this permission notice appear in
10 * all copies of the software and related documentation, and (ii) the names of
11 * Sam Leffler and Silicon Graphics may not be used in any advertising or
12 * publicity relating to the software without the specific, prior written
13 * permission of Sam Leffler and Silicon Graphics.
15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
28 * TIFF Library UNIX-specific Routines. These are should also work with the
29 * Windows Common RunTime Library.
31 #include "tif_config.h"
33 #ifdef HAVE_SYS_TYPES_H
34 # include <sys/types.h>
52 _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
54 return ((tsize_t) read((int) fd, buf, (size_t) size));
58 _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
60 return ((tsize_t) write((int) fd, buf, (size_t) size));
64 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
66 return ((toff_t) lseek((int) fd, (off_t) off, whence));
70 _tiffCloseProc(thandle_t fd)
72 return (close((int) fd));
77 _tiffSizeProc(thandle_t fd)
81 return ((fsize = lseek((int) fd, 0, SEEK_END)) < 0 ? 0 : fsize);
84 return (toff_t) (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
92 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
94 toff_t size = _tiffSizeProc(fd);
95 if (size != (toff_t) -1) {
97 mmap(0, size, PROT_READ, MAP_SHARED, (int) fd, 0);
98 if (*pbase != (tdata_t) -1) {
107 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
110 (void) munmap(base, (off_t) size);
112 #else /* !HAVE_MMAP */
114 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
116 (void) fd; (void) pbase; (void) psize;
121 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
123 (void) fd; (void) base; (void) size;
125 #endif /* !HAVE_MMAP */
128 * Open a TIFF file descriptor for read/writing.
131 TIFFFdOpen(int fd, const char* name, const char* mode)
135 tif = TIFFClientOpen(name, mode,
137 _tiffReadProc, _tiffWriteProc,
138 _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
139 _tiffMapProc, _tiffUnmapProc);
146 * Open a TIFF file for read/writing.
149 TIFFOpen(const char* name, const char* mode)
151 static const char module[] = "TIFFOpen";
155 m = _TIFFgetMode(mode, module);
159 /* for cygwin and mingw */
167 fd = open(name, m, 0666);
170 TIFFErrorExt(0, module, "%s: Cannot open", name);
174 tif = TIFFFdOpen((int)fd, name, mode);
183 * Open a TIFF file with a Unicode filename, for read/writing.
186 TIFFOpenW(const wchar_t* name, const char* mode)
188 static const char module[] = "TIFFOpenW";
194 m = _TIFFgetMode(mode, module);
198 /* for cygwin and mingw */
203 fd = _wopen(name, m, 0666);
205 TIFFErrorExt(0, module, "%s: Cannot open", name);
210 mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
212 mbname = _TIFFmalloc(mbsize);
214 TIFFErrorExt(0, module,
215 "Can't allocate space for filename conversion buffer");
219 WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
223 tif = TIFFFdOpen((int)fd, (mbname != NULL) ? mbname : "<unknown>",
235 _TIFFmalloc(tsize_t s)
237 return (malloc((size_t) s));
247 _TIFFrealloc(tdata_t p, tsize_t s)
249 return (realloc(p, (size_t) s));
253 _TIFFmemset(tdata_t p, int v, tsize_t c)
255 memset(p, v, (size_t) c);
259 _TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
261 memcpy(d, s, (size_t) c);
265 _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
267 return (memcmp(p1, p2, (size_t) c));
271 unixWarningHandler(const char* module, const char* fmt, va_list ap)
274 fprintf(stderr, "%s: ", module);
275 fprintf(stderr, "Warning, ");
276 vfprintf(stderr, fmt, ap);
277 fprintf(stderr, ".\n");
279 TIFFErrorHandler _TIFFwarningHandler = unixWarningHandler;
282 unixErrorHandler(const char* module, const char* fmt, va_list ap)
285 fprintf(stderr, "%s: ", module);
286 vfprintf(stderr, fmt, ap);
287 fprintf(stderr, ".\n");
289 TIFFErrorHandler _TIFFerrorHandler = unixErrorHandler;