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#ifndef lint
static char rcsid[] = "$Header: /usr/people/sam/tiff/libtiff/RCS/tif_unix.c,v 1.4 92/10/21 13:42:21 sam Exp $";
#endif
/*
* Copyright (c) 1988, 1989, 1990, 1991, 1992 Sam Leffler
* Copyright (c) 1991, 1992 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.
*/
#include "tiffiop.h"
static int
DECLARE3(_tiffReadProc, void*, fd, char*, buf, u_long, size)
{
return (read((int) fd, buf, size));
}
static int
DECLARE3(_tiffWriteProc, void*, fd, char*, buf, u_long, size)
{
return (write((int) fd, buf, size));
}
static long
DECLARE3(_tiffSeekProc, void*, fd, long, off, int, whence)
{
return (lseek((int) fd, off, whence));
}
static int
DECLARE1(_tiffCloseProc, void*, fd)
{
return (close((int) fd));
}
#include <sys/stat.h>
static long
DECLARE1(_tiffSizeProc, void*, fd)
{
struct stat sb;
return (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
}
#ifdef MMAP_SUPPORT
#include <sys/mman.h>
static int
DECLARE3(_tiffMapProc, void*, fd, char**, pbase, long*, psize)
{
long size = _tiffSizeProc(fd);
if (size != -1) {
*pbase = (char*)
mmap(0, size, PROT_READ, MAP_SHARED, (int) fd, 0);
if (*pbase != (char *)-1) {
*psize = size;
return (1);
}
}
return (0);
}
static void
DECLARE3(_tiffUnmapProc, void*, fd, char*, base, long, size)
{
(void) munmap(base, size);
}
#else /* !MMAP_SUPPORT */
static int
DECLARE3(_tiffMapProc, void*, fd, char**, pbase, long*, psize)
{
return (0);
}
static void
DECLARE3(_tiffUnmapProc, void*, fd, char*, base, long, size)
{
}
#endif /* !MMAP_SUPPORT */
/*
* Open a TIFF file descriptor for read/writing.
*/
TIFF*
DECLARE3(TIFFFdOpen, int, fd, const char*, name, const char*, mode)
{
TIFF *tif;
tif = TIFFClientOpen(name, mode,
(void*) fd,
_tiffReadProc, _tiffWriteProc,
_tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
_tiffMapProc, _tiffUnmapProc);
if (tif)
tif->tif_fd = fd;
return (tif);
}
/*
* Open a TIFF file for read/writing.
*/
TIFF*
DECLARE2(TIFFOpen, const char*, name, const char*, mode)
{
static const char module[] = "TIFFOpen";
int m, fd;
m = _TIFFgetMode(mode, module);
if (m == -1)
return ((TIFF *)0);
fd = open(name, m, 0666);
if (fd < 0) {
TIFFError(module, "%s: Cannot open", name);
return ((TIFF *)0);
}
return (TIFFFdOpen(fd, name, mode));
}
#if defined(__MACH__) || defined(THINK_C)
extern void *malloc(size_t size);
extern void *realloc(void *ptr, size_t size);
#else /* !__MACH__ && !THINK_C */
#if defined(_IBMR2)
#include <stdlib.h>
#else /* !_IBMR2 */
extern char *malloc();
extern char *realloc();
#endif /* _IBMR2 */
#endif /* !__MACH__ */
void *
DECLARE1(_TIFFmalloc, size_t, s)
{
return (malloc(s));
}
void
DECLARE1(_TIFFfree, void*, p)
{
free(p);
}
void *
DECLARE2(_TIFFrealloc, void*, p, size_t, s)
{
return (realloc(p, s));
}
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.