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tif_msdos.c
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1 /* $Header: /cvs/maptools/cvsroot/libtiff/libtiff/Attic/tif_msdos.c,v 1.3.2.1 2010-06-08 18:50:42 bfriesen Exp $ */
2
3 /*
4 * Copyright (c) 1988-1997 Sam Leffler
5 * Copyright (c) 1991-1997 Silicon Graphics, Inc.
6 *
7 * Permission to use, copy, modify, distribute, and sell this software and
8 * its documentation for any purpose is hereby granted without fee, provided
9 * that (i) the above copyright notices and this permission notice appear in
10 * all copies of the software and related documentation, and (ii) the names of
11 * Sam Leffler and Silicon Graphics may not be used in any advertising or
12 * publicity relating to the software without the specific, prior written
13 * permission of Sam Leffler and Silicon Graphics.
14 *
15 * THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
17 * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
18 *
19 * IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
20 * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
21 * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
22 * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
23 * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
24 * OF THIS SOFTWARE.
25 */
26
27 /*
28 * TIFF Library MSDOS-specific Routines.
29 */
30 #if defined(__WATCOMC__) || defined(__BORLANDC__) || defined(_MSC_VER)
31 #include <io.h> /* for open, close, etc. function prototypes */
32 #include <stdio.h>
33 #endif
34 #include "tiffiop.h"
35
36 static tsize_t
37 _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
38 {
39 return (read((int) fd, buf, size));
40 }
41
42 static tsize_t
43 _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
44 {
45 return (write((int) fd, buf, size));
46 }
47
48 static toff_t
49 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
50 {
51 return (lseek((int) fd, (off_t) off, whence));
52 }
53
54 static int
55 _tiffCloseProc(thandle_t fd)
56 {
57 return (close((int) fd));
58 }
59
60 #include <sys/stat.h>
61
62 static toff_t
63 _tiffSizeProc(thandle_t fd)
64 {
65 struct stat sb;
66 return (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
67 }
68
69 static int
70 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
71 {
72 return (0);
73 }
74
75 static void
76 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
77 {
78 }
79
80 /*
81 * Open a TIFF file descriptor for read/writing.
82 */
83 TIFF*
84 TIFFFdOpen(int fd, const char* name, const char* mode)
85 {
86 TIFF* tif;
87
88 tif = TIFFClientOpen(name, mode,
89 (void*) fd,
90 _tiffReadProc, _tiffWriteProc, _tiffSeekProc, _tiffCloseProc,
91 _tiffSizeProc, _tiffMapProc, _tiffUnmapProc);
92 if (tif)
93 tif->tif_fd = fd;
94 return (tif);
95 }
96
97 /*
98 * Open a TIFF file for read/writing.
99 */
100 TIFF*
101 TIFFOpen(const char* name, const char* mode)
102 {
103 static const char module[] = "TIFFOpen";
104 int m, fd;
105 TIFF *ret;
106
107 m = _TIFFgetMode(mode, module);
108 if (m == -1)
109 return ((TIFF*)0);
110 fd = open(name, m|O_BINARY, 0666);
111 if (fd < 0) {
112 TIFFErrorExt(0, module, "%s: Cannot open", name);
113 return ((TIFF*)0);
114 }
115 return (TIFFFdOpen(fd, name, mode));
116
117 ret = TIFFFdOpen(fd, name, mode);
118
119 if (ret == NULL) close(fd);
120
121 return ret;
122 }
123
124 #ifdef __GNUC__
125 extern char* malloc();
126 extern char* realloc();
127 #else
128 #include <malloc.h>
129 #endif
130
131 tdata_t
132 _TIFFmalloc(tsize_t s)
133 {
134 return (malloc((size_t) s));
135 }
136
137 void
138 _TIFFfree(tdata_t p)
139 {
140 free(p);
141 }
142
143 tdata_t
144 _TIFFrealloc(tdata_t p, tsize_t s)
145 {
146 return (realloc(p, (size_t) s));
147 }
148
149 void
150 _TIFFmemset(tdata_t p, int v, tsize_t c)
151 {
152 memset(p, v, (size_t) c);
153 }
154
155 void
156 _TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
157 {
158 memcpy(d, s, (size_t) c);
159 }
160
161 int
162 _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
163 {
164 return (memcmp(p1, p2, (size_t) c));
165 }
166
167 static void
168 msdosWarningHandler(const char* module, const char* fmt, va_list ap)
169 {
170 if (module != NULL)
171 fprintf(stderr, "%s: ", module);
172 fprintf(stderr, "Warning, ");
173 vfprintf(stderr, fmt, ap);
174 fprintf(stderr, ".\n");
175 }
176 TIFFErrorHandler _TIFFwarningHandler = msdosWarningHandler;
177
178 static void
179 msdosErrorHandler(const char* module, const char* fmt, va_list ap)
180 {
181 if (module != NULL)
182 fprintf(stderr, "%s: ", module);
183 vfprintf(stderr, fmt, ap);
184 fprintf(stderr, ".\n");
185 }
186 TIFFErrorHandler _TIFFerrorHandler = msdosErrorHandler;
187 /*
188 * Local Variables:
189 * mode: c
190 * c-basic-offset: 8
191 * fill-column: 78
192 * End:
193 */
tsize_t
int32 tsize_t
Definition: tiffio.h:67
tdata_t
void * tdata_t
Definition: tiffio.h:68
TIFFFdOpen
TIFF * TIFFFdOpen(int fd, const char *name, const char *mode)
Definition: tif_msdos.c:84
write
int write(int fd, const char *buf, int nbytes)
Definition: tif_acorn.c:325
read
int read(int fd, char *buf, int nbytes)
Definition: tif_acorn.c:331
_TIFFmemcmp
int _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
Definition: tif_msdos.c:162
TIFFErrorHandler
void(* TIFFErrorHandler)(const char *, const char *, va_list)
Definition: tiffio.h:261
_TIFFerrorHandler
TIFFErrorHandler _TIFFerrorHandler
Definition: tif_msdos.c:186
tiffiop.h
_TIFFmemcpy
void _TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
Definition: tif_msdos.c:156
_TIFFmalloc
tdata_t _TIFFmalloc(tsize_t s)
Definition: tif_msdos.c:132
_TIFFrealloc
tdata_t _TIFFrealloc(tdata_t p, tsize_t s)
Definition: tif_msdos.c:144
tiff
Definition: tiffiop.h:102
tiff::tif_fd
int tif_fd
Definition: tiffiop.h:104
TIFFClientOpen
TIFF * TIFFClientOpen(const char *name, const char *mode, thandle_t clientdata, TIFFReadWriteProc readproc, TIFFReadWriteProc writeproc, TIFFSeekProc seekproc, TIFFCloseProc closeproc, TIFFSizeProc sizeproc, TIFFMapFileProc mapproc, TIFFUnmapFileProc unmapproc)
Definition: tif_open.c:139
lseek
off_t lseek(int fd, off_t offset, int whence)
Definition: tif_acorn.c:337
_TIFFfree
void _TIFFfree(tdata_t p)
Definition: tif_msdos.c:138
TIFFOpen
TIFF * TIFFOpen(const char *name, const char *mode)
Definition: tif_msdos.c:101
_TIFFwarningHandler
TIFFErrorHandler _TIFFwarningHandler
Definition: tif_msdos.c:176
sb
int sb(0)
close
int close(int fd)
Definition: tif_acorn.c:320
TIFFErrorExt
void TIFFErrorExt(thandle_t fd, const char *module, const char *fmt,...)
Definition: tif_error.c:63
open
int open(const char *name, int flags, int mode)
Definition: tif_acorn.c:285
_TIFFgetMode
int _TIFFgetMode(const char *mode, const char *module)
Definition: tif_open.c:115
toff_t
uint32 toff_t
Definition: tiffio.h:69
_TIFFmemset
void _TIFFmemset(tdata_t p, int v, tsize_t c)
Definition: tif_msdos.c:150
thandle_t
void * thandle_t
Definition: tiffio.h:97