+++ /dev/null
-/* $Id: tif_unix.c,v 1.1 2005/06/17 13:54:52 vp153 Exp $ */
-
-/*
- * 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. These are should also work with the
- * Windows Common RunTime Library.
- */
-#include "tif_config.h"
-
-#include <stdlib.h>
-#include <sys/stat.h>
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#if HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
-
-#if HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#if HAVE_IO_H
-# include <io.h>
-#endif
-
-#include "tiffiop.h"
-
-static tsize_t
-_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
-{
- return ((tsize_t) read((int) fd, buf, (size_t) size));
-}
-
-static tsize_t
-_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
-{
- return ((tsize_t) write((int) fd, buf, (size_t) size));
-}
-
-static toff_t
-_tiffSeekProc(thandle_t fd, toff_t off, int whence)
-{
- return ((toff_t) lseek((int) fd, (off_t) off, whence));
-}
-
-static int
-_tiffCloseProc(thandle_t fd)
-{
- return (close((int) fd));
-}
-
-
-static toff_t
-_tiffSizeProc(thandle_t fd)
-{
-#ifdef _AM29K
- long fsize;
- return ((fsize = lseek((int) fd, 0, SEEK_END)) < 0 ? 0 : fsize);
-#else
- struct stat sb;
- return (toff_t) (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
-#endif
-}
-
-#ifdef HAVE_MMAP
-#include <sys/mman.h>
-
-static int
-_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
-{
- toff_t size = _tiffSizeProc(fd);
- if (size != (toff_t) -1) {
- *pbase = (tdata_t)
- mmap(0, size, PROT_READ, MAP_SHARED, (int) fd, 0);
- if (*pbase != (tdata_t) -1) {
- *psize = size;
- return (1);
- }
- }
- return (0);
-}
-
-static void
-_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
-{
- (void) fd;
- (void) munmap(base, (off_t) size);
-}
-#else /* !HAVE_MMAP */
-static int
-_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
-{
- (void) fd; (void) pbase; (void) psize;
- return (0);
-}
-
-static void
-_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
-{
- (void) fd; (void) base; (void) size;
-}
-#endif /* !HAVE_MMAP */
-
-/*
- * Open a TIFF file descriptor for read/writing.
- */
-TIFF*
-TIFFFdOpen(int fd, const char* name, const char* mode)
-{
- TIFF* tif;
-
- tif = TIFFClientOpen(name, mode,
- (thandle_t) fd,
- _tiffReadProc, _tiffWriteProc,
- _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
- _tiffMapProc, _tiffUnmapProc);
- if (tif)
- tif->tif_fd = fd;
- return (tif);
-}
-
-/*
- * Open a TIFF file for read/writing.
- */
-TIFF*
-TIFFOpen(const char* name, const char* mode)
-{
- static const char module[] = "TIFFOpen";
- int m, fd;
- TIFF* tif;
-
- m = _TIFFgetMode(mode, module);
- if (m == -1)
- return ((TIFF*)0);
-
-/* for cygwin and mingw */
-#ifdef O_BINARY
- m |= O_BINARY;
-#endif
-
-#ifdef _AM29K
- fd = open(name, m);
-#else
- fd = open(name, m, 0666);
-#endif
- if (fd < 0) {
- TIFFError(module, "%s: Cannot open", name);
- return ((TIFF *)0);
- }
-
- tif = TIFFFdOpen((int)fd, name, mode);
- if(!tif)
- close(fd);
- return tif;
-}
-
-#ifdef __WIN32__
-/*
- * Open a TIFF file with a Unicode filename, for read/writing.
- */
-TIFF*
-TIFFOpenW(const wchar_t* name, const char* mode)
-{
- static const char module[] = "TIFFOpenW";
- int m, fd;
- int mbsize;
- char *mbname;
- TIFF* tif;
-
- m = _TIFFgetMode(mode, module);
- if (m == -1)
- return ((TIFF*)0);
-
-/* for cygwin and mingw */
-#ifdef O_BINARY
- m |= O_BINARY;
-#endif
-
- fd = _wopen(name, m, 0666);
- if (fd < 0) {
- TIFFError(module, "%s: Cannot open", name);
- return ((TIFF *)0);
- }
-
- mbname = NULL;
- mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
- if (mbsize > 0) {
- mbname = _TIFFmalloc(mbsize);
- if (!mbname) {
- TIFFError(module,
- "Can't allocate space for filename conversion buffer");
- return ((TIFF*)0);
- }
-
- WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
- NULL, NULL);
- }
-
- tif = TIFFFdOpen((int)fd, (mbname != NULL) ? mbname : "<unknown>",
- mode);
-
- _TIFFfree(mbname);
-
- if(!tif)
- close(fd);
- return tif;
-}
-#endif
-
-void*
-_TIFFmalloc(tsize_t s)
-{
- return (malloc((size_t) s));
-}
-
-void
-_TIFFfree(tdata_t p)
-{
- free(p);
-}
-
-void*
-_TIFFrealloc(tdata_t p, tsize_t s)
-{
- 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;
projects / opencv / blobdiff