-/* $Id: tif_unix.c,v 1.12.2.1 2010-06-08 18:50:43 bfriesen Exp $ */
+/* $Id: tif_unix.c,v 1.27 2015-08-19 02:31:04 bfriesen 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
+ * 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.
- *
+ *
+ * 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
+ * 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"
#ifdef HAVE_SYS_TYPES_H
# include <sys/types.h>
#endif
+#include <errno.h>
+
#include <stdarg.h>
#include <stdlib.h>
#include <sys/stat.h>
# include <fcntl.h>
#endif
+#ifdef HAVE_IO_H
+# include <io.h>
+#endif
+
#include "tiffiop.h"
-static tsize_t
-_tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
+
+#define TIFF_IO_MAX 2147483647U
+
+
+typedef union fd_as_handle_union
+{
+ int fd;
+ thandle_t h;
+} fd_as_handle_union_t;
+
+static tmsize_t
+_tiffReadProc(thandle_t fd, void* buf, tmsize_t size)
{
- return ((tsize_t) read((int) fd, buf, (size_t) size));
+ fd_as_handle_union_t fdh;
+ const size_t bytes_total = (size_t) size;
+ size_t bytes_read;
+ tmsize_t count = -1;
+ if ((tmsize_t) bytes_total != size)
+ {
+ errno=EINVAL;
+ return (tmsize_t) -1;
+ }
+ fdh.h = fd;
+ for (bytes_read=0; bytes_read < bytes_total; bytes_read+=count)
+ {
+ char *buf_offset = (char *) buf+bytes_read;
+ size_t io_size = bytes_total-bytes_read;
+ if (io_size > TIFF_IO_MAX)
+ io_size = TIFF_IO_MAX;
+ count=read(fdh.fd, buf_offset, (TIFFIOSize_t) io_size);
+ if (count <= 0)
+ break;
+ }
+ if (count < 0)
+ return (tmsize_t)-1;
+ return (tmsize_t) bytes_read;
}
-static tsize_t
-_tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
+static tmsize_t
+_tiffWriteProc(thandle_t fd, void* buf, tmsize_t size)
{
- return ((tsize_t) write((int) fd, buf, (size_t) size));
+ fd_as_handle_union_t fdh;
+ const size_t bytes_total = (size_t) size;
+ size_t bytes_written;
+ tmsize_t count = -1;
+ if ((tmsize_t) bytes_total != size)
+ {
+ errno=EINVAL;
+ return (tmsize_t) -1;
+ }
+ fdh.h = fd;
+ for (bytes_written=0; bytes_written < bytes_total; bytes_written+=count)
+ {
+ const char *buf_offset = (char *) buf+bytes_written;
+ size_t io_size = bytes_total-bytes_written;
+ if (io_size > TIFF_IO_MAX)
+ io_size = TIFF_IO_MAX;
+ count=write(fdh.fd, buf_offset, (TIFFIOSize_t) io_size);
+ if (count <= 0)
+ break;
+ }
+ if (count < 0)
+ return (tmsize_t)-1;
+ return (tmsize_t) bytes_written;
+ /* return ((tmsize_t) write(fdh.fd, buf, bytes_total)); */
}
-static toff_t
-_tiffSeekProc(thandle_t fd, toff_t off, int whence)
+static uint64
+_tiffSeekProc(thandle_t fd, uint64 off, int whence)
{
- return ((toff_t) lseek((int) fd, (off_t) off, whence));
+ fd_as_handle_union_t fdh;
+ _TIFF_off_t off_io = (_TIFF_off_t) off;
+ if ((uint64) off_io != off)
+ {
+ errno=EINVAL;
+ return (uint64) -1; /* this is really gross */
+ }
+ fdh.h = fd;
+ return((uint64)_TIFF_lseek_f(fdh.fd,off_io,whence));
}
static int
_tiffCloseProc(thandle_t fd)
{
- return (close((int) fd));
+ fd_as_handle_union_t fdh;
+ fdh.h = fd;
+ return(close(fdh.fd));
}
-
-static toff_t
+static uint64
_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
+ _TIFF_stat_s sb;
+ fd_as_handle_union_t fdh;
+ fdh.h = fd;
+ if (_TIFF_fstat_f(fdh.fd,&sb)<0)
+ return(0);
+ else
+ return((uint64)sb.st_size);
}
#ifdef HAVE_MMAP
#include <sys/mman.h>
static int
-_tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
+_tiffMapProc(thandle_t fd, void** 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;
+ uint64 size64 = _tiffSizeProc(fd);
+ tmsize_t sizem = (tmsize_t)size64;
+ if ((uint64)sizem==size64) {
+ fd_as_handle_union_t fdh;
+ fdh.h = fd;
+ *pbase = (void*)
+ mmap(0, (size_t)sizem, PROT_READ, MAP_SHARED, fdh.fd, 0);
+ if (*pbase != (void*) -1) {
+ *psize = (tmsize_t)sizem;
return (1);
}
}
}
static void
-_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
+_tiffUnmapProc(thandle_t fd, void* 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)
+_tiffMapProc(thandle_t fd, void** pbase, toff_t* psize)
{
(void) fd; (void) pbase; (void) psize;
return (0);
}
static void
-_tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
+_tiffUnmapProc(thandle_t fd, void* base, toff_t size)
{
(void) fd; (void) base; (void) size;
}
{
TIFF* tif;
+ fd_as_handle_union_t fdh;
+ fdh.fd = fd;
tif = TIFFClientOpen(name, mode,
- (thandle_t) fd,
+ fdh.h,
_tiffReadProc, _tiffWriteProc,
_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
_tiffMapProc, _tiffUnmapProc);
{
static const char module[] = "TIFFOpen";
int m, fd;
- TIFF* tif;
+ TIFF* tif;
m = _TIFFgetMode(mode, module);
if (m == -1)
return ((TIFF*)0);
-/* for cygwin and mingw */
+/* for cygwin and mingw */
#ifdef O_BINARY
- m |= O_BINARY;
-#endif
-
-#ifdef _AM29K
- fd = open(name, m);
-#else
- fd = open(name, m, 0666);
+ m |= O_BINARY;
#endif
+
+ fd = open(name, m, 0666);
if (fd < 0) {
- TIFFErrorExt(0, module, "%s: Cannot open", name);
+ if (errno > 0 && strerror(errno) != NULL ) {
+ TIFFErrorExt(0, module, "%s: %s", name, strerror(errno) );
+ } else {
+ TIFFErrorExt(0, module, "%s: Cannot open", name);
+ }
return ((TIFF *)0);
}
if (m == -1)
return ((TIFF*)0);
-/* for cygwin and mingw */
+/* for cygwin and mingw */
#ifdef O_BINARY
- m |= O_BINARY;
-#endif
-
+ m |= O_BINARY;
+#endif
+
fd = _wopen(name, m, 0666);
if (fd < 0) {
- TIFFErrorExt(0, module, "%s: Cannot open", name);
+ TIFFErrorExt(0, module, "%ls: Cannot open", name);
return ((TIFF *)0);
}
#endif
void*
-_TIFFmalloc(tsize_t s)
+_TIFFmalloc(tmsize_t s)
{
+ if (s == 0)
+ return ((void *) NULL);
+
return (malloc((size_t) s));
}
void
-_TIFFfree(tdata_t p)
+_TIFFfree(void* p)
{
free(p);
}
void*
-_TIFFrealloc(tdata_t p, tsize_t s)
+_TIFFrealloc(void* p, tmsize_t s)
{
return (realloc(p, (size_t) s));
}
void
-_TIFFmemset(tdata_t p, int v, tsize_t c)
+_TIFFmemset(void* p, int v, tmsize_t c)
{
memset(p, v, (size_t) c);
}
void
-_TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
+_TIFFmemcpy(void* d, const void* s, tmsize_t c)
{
memcpy(d, s, (size_t) c);
}
int
-_TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
+_TIFFmemcmp(const void* p1, const void* p2, tmsize_t c)
{
return (memcmp(p1, p2, (size_t) c));
}
fprintf(stderr, ".\n");
}
TIFFErrorHandler _TIFFerrorHandler = unixErrorHandler;
+
+/* vim: set ts=8 sts=8 sw=8 noet: */
+
/*
* Local Variables:
* mode: c
projects / openjpeg.git / blobdiff