diff options
Diffstat (limited to 'test/monniaux/tiff-4.0.10/tif_unix.c')
| -rw-r--r-- | test/monniaux/tiff-4.0.10/tif_unix.c | 384 |
1 files changed, 384 insertions, 0 deletions
diff --git a/test/monniaux/tiff-4.0.10/tif_unix.c b/test/monniaux/tiff-4.0.10/tif_unix.c new file mode 100644 index 00000000..874f1feb --- /dev/null +++ b/test/monniaux/tiff-4.0.10/tif_unix.c @@ -0,0 +1,384 @@ +/* + * 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: + */ |