+++ /dev/null
-/* $Id: tif_unix.c,v 1.28 2017-01-11 19:02:49 erouault 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"
-
-#ifdef HAVE_SYS_TYPES_H
-# include <sys/types.h>
-#endif
-
-#include <errno.h>
-
-#include <stdarg.h>
-#include <stdlib.h>
-#include <sys/stat.h>
-
-#ifdef HAVE_UNISTD_H
-# include <unistd.h>
-#endif
-
-#ifdef HAVE_FCNTL_H
-# include <fcntl.h>
-#endif
-
-#ifdef HAVE_IO_H
-# include <io.h>
-#endif
-
-#include "tiffiop.h"
-
-
-#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)
-{
- 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 tmsize_t
-_tiffWriteProc(thandle_t fd, void* buf, tmsize_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 uint64
-_tiffSeekProc(thandle_t fd, uint64 off, int 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)
-{
- fd_as_handle_union_t fdh;
- fdh.h = fd;
- return(close(fdh.fd));
-}
-
-static uint64
-_tiffSizeProc(thandle_t fd)
-{
- _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, void** pbase, toff_t* psize)
-{
- 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);
- }
- }
- return (0);
-}
-
-static void
-_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, void** pbase, toff_t* psize)
-{
- (void) fd; (void) pbase; (void) psize;
- return (0);
-}
-
-static void
-_tiffUnmapProc(thandle_t fd, void* 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;
-
- fd_as_handle_union_t fdh;
- fdh.fd = fd;
- tif = TIFFClientOpen(name, mode,
- fdh.h,
- _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
-
- fd = open(name, m, 0666);
- if (fd < 0) {
- 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);
- }
-
- tif = TIFFFdOpen((int)fd, name, mode);
- if(!tif)
- close(fd);
- return tif;
-}
-
-#ifdef __WIN32__
-#include <windows.h>
-/*
- * 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) {
- TIFFErrorExt(0, module, "%ls: 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) {
- TIFFErrorExt(0, 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(tmsize_t s)
-{
- if (s == 0)
- return ((void *) NULL);
-
- return (malloc((size_t) s));
-}
-
-void* _TIFFcalloc(tmsize_t nmemb, tmsize_t siz)
-{
- if( nmemb == 0 || siz == 0 )
- return ((void *) NULL);
-
- return calloc((size_t) nmemb, (size_t)siz);
-}
-
-void
-_TIFFfree(void* p)
-{
- free(p);
-}
-
-void*
-_TIFFrealloc(void* p, tmsize_t s)
-{
- return (realloc(p, (size_t) s));
-}
-
-void
-_TIFFmemset(void* p, int v, tmsize_t c)
-{
- memset(p, v, (size_t) c);
-}
-
-void
-_TIFFmemcpy(void* d, const void* s, tmsize_t c)
-{
- memcpy(d, s, (size_t) c);
-}
-
-int
-_TIFFmemcmp(const void* p1, const void* p2, tmsize_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;
-
-/* vim: set ts=8 sts=8 sw=8 noet: */
-
-/*
- * Local Variables:
- * mode: c
- * c-basic-offset: 8
- * fill-column: 78
- * End:
- */
projects / reactos.git / blobdiff