--- /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