Visualization Library 2.0.0-b5

A lightweight C++ OpenGL middleware for 2D/3D graphics

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tif_unix.c
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1 /* $Id: tif_unix.c,v 1.12 2006/03/21 16:37:51 dron 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 UNIX-specific Routines. These are should also work with the
29  * Windows Common RunTime Library.
30  */
31 #include "tif_config.h"
32 
33 #ifdef HAVE_SYS_TYPES_H
34 # include <sys/types.h>
35 #endif
36 
37 #include <stdarg.h>
38 #include <stdlib.h>
39 #include <sys/stat.h>
40 
41 #ifdef HAVE_UNISTD_H
42 # include <unistd.h>
43 #endif
44 
45 #ifdef HAVE_FCNTL_H
46 # include <fcntl.h>
47 #endif
48 
49 #ifdef _WIN32
50  #include <io.h>
51 #endif
52 
53 #include "tiffiop.h"
54 
55 static tsize_t
56 _tiffReadProc(thandle_t fd, tdata_t buf, tsize_t size)
57 {
58  return ((tsize_t) read((int) fd, buf, (size_t) size));
59 }
60 
61 static tsize_t
62 _tiffWriteProc(thandle_t fd, tdata_t buf, tsize_t size)
63 {
64  return ((tsize_t) write((int) fd, buf, (size_t) size));
65 }
66 
67 static toff_t
68 _tiffSeekProc(thandle_t fd, toff_t off, int whence)
69 {
70  return ((toff_t) lseek((int) fd, (off_t) off, whence));
71 }
72 
73 static int
74 _tiffCloseProc(thandle_t fd)
75 {
76  return (close((int) fd));
77 }
78 
79 
80 static toff_t
81 _tiffSizeProc(thandle_t fd)
82 {
83 #ifdef _AM29K
84  long fsize;
85  return ((fsize = lseek((int) fd, 0, SEEK_END)) < 0 ? 0 : fsize);
86 #else
87  struct stat sb;
88  return (toff_t) (fstat((int) fd, &sb) < 0 ? 0 : sb.st_size);
89 #endif
90 }
91 
92 #ifdef HAVE_MMAP
93 #include <sys/mman.h>
94 
95 static int
96 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
97 {
98  toff_t size = _tiffSizeProc(fd);
99  if (size != (toff_t) -1) {
100  *pbase = (tdata_t)
101  mmap(0, size, PROT_READ, MAP_SHARED, (int) fd, 0);
102  if (*pbase != (tdata_t) -1) {
103  *psize = size;
104  return (1);
105  }
106  }
107  return (0);
108 }
109 
110 static void
111 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
112 {
113  (void) fd;
114  (void) munmap(base, (off_t) size);
115 }
116 #else /* !HAVE_MMAP */
117 static int
118 _tiffMapProc(thandle_t fd, tdata_t* pbase, toff_t* psize)
119 {
120  (void) fd; (void) pbase; (void) psize;
121  return (0);
122 }
123 
124 static void
125 _tiffUnmapProc(thandle_t fd, tdata_t base, toff_t size)
126 {
127  (void) fd; (void) base; (void) size;
128 }
129 #endif /* !HAVE_MMAP */
130 
131 /*
132  * Open a TIFF file descriptor for read/writing.
133  */
134 TIFF*
135 TIFFFdOpen(int fd, const char* name, const char* mode)
136 {
137  TIFF* tif;
138 
139  tif = TIFFClientOpen(name, mode,
140  (thandle_t) fd,
141  _tiffReadProc, _tiffWriteProc,
142  _tiffSeekProc, _tiffCloseProc, _tiffSizeProc,
143  _tiffMapProc, _tiffUnmapProc);
144  if (tif)
145  tif->tif_fd = fd;
146  return (tif);
147 }
148 
149 /*
150  * Open a TIFF file for read/writing.
151  */
152 TIFF*
153 TIFFOpen(const char* name, const char* mode)
154 {
155  static const char module[] = "TIFFOpen";
156  int m, fd;
157  TIFF* tif;
158 
159  m = _TIFFgetMode(mode, module);
160  if (m == -1)
161  return ((TIFF*)0);
162 
163 /* for cygwin and mingw */
164 #ifdef O_BINARY
165  m |= O_BINARY;
166 #endif
167 
168 #ifdef _AM29K
169  fd = open(name, m);
170 #else
171  fd = open(name, m, 0666);
172 #endif
173  if (fd < 0) {
174  TIFFErrorExt(0, module, "%s: Cannot open", name);
175  return ((TIFF *)0);
176  }
177 
178  tif = TIFFFdOpen((int)fd, name, mode);
179  if(!tif)
180  close(fd);
181  return tif;
182 }
183 
184 #ifdef __WIN32__
185 #include <windows.h>
186 /*
187  * Open a TIFF file with a Unicode filename, for read/writing.
188  */
189 TIFF*
190 TIFFOpenW(const wchar_t* name, const char* mode)
191 {
192  static const char module[] = "TIFFOpenW";
193  int m, fd;
194  int mbsize;
195  char *mbname;
196  TIFF* tif;
197 
198  m = _TIFFgetMode(mode, module);
199  if (m == -1)
200  return ((TIFF*)0);
201 
202 /* for cygwin and mingw */
203 #ifdef O_BINARY
204  m |= O_BINARY;
205 #endif
206 
207  fd = _wopen(name, m, 0666);
208  if (fd < 0) {
209  TIFFErrorExt(0, module, "%s: Cannot open", name);
210  return ((TIFF *)0);
211  }
212 
213  mbname = NULL;
214  mbsize = WideCharToMultiByte(CP_ACP, 0, name, -1, NULL, 0, NULL, NULL);
215  if (mbsize > 0) {
216  mbname = _TIFFmalloc(mbsize);
217  if (!mbname) {
218  TIFFErrorExt(0, module,
219  "Can't allocate space for filename conversion buffer");
220  return ((TIFF*)0);
221  }
222 
223  WideCharToMultiByte(CP_ACP, 0, name, -1, mbname, mbsize,
224  NULL, NULL);
225  }
226 
227  tif = TIFFFdOpen((int)fd, (mbname != NULL) ? mbname : "<unknown>",
228  mode);
229 
230  _TIFFfree(mbname);
231 
232  if(!tif)
233  close(fd);
234  return tif;
235 }
236 #endif
237 
238 void*
240 {
241  return (malloc((size_t) s));
242 }
243 
244 void
246 {
247  free(p);
248 }
249 
250 void*
252 {
253  return (realloc(p, (size_t) s));
254 }
255 
256 void
258 {
259  memset(p, v, (size_t) c);
260 }
261 
262 void
264 {
265  memcpy(d, s, (size_t) c);
266 }
267 
268 int
269 _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
270 {
271  return (memcmp(p1, p2, (size_t) c));
272 }
273 
274 static void
275 unixWarningHandler(const char* module, const char* fmt, va_list ap)
276 {
277  if (module != NULL)
278  fprintf(stderr, "%s: ", module);
279  fprintf(stderr, "Warning, ");
280  vfprintf(stderr, fmt, ap);
281  fprintf(stderr, ".\n");
282 }
284 
285 static void
286 unixErrorHandler(const char* module, const char* fmt, va_list ap)
287 {
288  if (module != NULL)
289  fprintf(stderr, "%s: ", module);
290  vfprintf(stderr, fmt, ap);
291  fprintf(stderr, ".\n");
292 }
int32 tsize_t
Definition: tiffio.h:66
void * tdata_t
Definition: tiffio.h:67
TIFFErrorHandler _TIFFerrorHandler
Definition: tif_unix.c:293
GLfloat GLfloat p
int write(int fd, const char *buf, int nbytes)
Definition: tif_acorn.c:325
int read(int fd, char *buf, int nbytes)
Definition: tif_acorn.c:331
GLint fsize
#define NULL
Definition: ftobjs.h:61
void _TIFFmemcpy(tdata_t d, const tdata_t s, tsize_t c)
Definition: tif_unix.c:263
TIFF * TIFFFdOpen(int fd, const char *name, const char *mode)
Definition: tif_unix.c:135
void _TIFFmemset(tdata_t p, int v, tsize_t c)
Definition: tif_unix.c:257
char * malloc()
void(* TIFFErrorHandler)(const char *, const char *, va_list)
Definition: tiffio.h:259
void * _TIFFmalloc(tsize_t s)
Definition: tif_unix.c:239
#define SEEK_END
Definition: zconf.h:251
typedef void(APIENTRY *GLDEBUGPROCARB)(GLenum source
int _TIFFmemcmp(const tdata_t p1, const tdata_t p2, tsize_t c)
Definition: tif_unix.c:269
Definition: tiffiop.h:95
int tif_fd
Definition: tiffiop.h:97
TIFF * TIFFOpen(const char *name, const char *mode)
Definition: tif_unix.c:153
GLenum GLuint GLenum GLsizei const GLchar * buf
void * _TIFFrealloc(tdata_t p, tsize_t s)
Definition: tif_unix.c:251
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:141
off_t lseek(int fd, off_t offset, int whence)
Definition: tif_acorn.c:337
GLenum mode
TIFF * TIFFOpenW(const wchar_t *name, const char *mode)
Definition: tif_win32.c:220
const GLdouble * v
int close(int fd)
Definition: tif_acorn.c:320
const GLubyte * c
int free()
void TIFFErrorExt(thandle_t fd, const char *module, const char *fmt,...)
Definition: tif_error.c:63
const GLfloat * m
TIFFErrorHandler _TIFFwarningHandler
Definition: tif_unix.c:283
GLuint const GLchar * name
int open(const char *name, int flags, int mode)
Definition: tif_acorn.c:285
int _TIFFgetMode(const char *mode, const char *module)
Definition: tif_open.c:117
uint32 toff_t
Definition: tiffio.h:68
GLdouble s
GLsizeiptr size
void * thandle_t
Definition: tiffio.h:96
void _TIFFfree(tdata_t p)
Definition: tif_unix.c:245