2 * $RCSId: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.8tsi Exp $
4 * Copyright © 2002 Keith Packard
6 * Permission to use, copy, modify, distribute, and sell this software and its
7 * documentation for any purpose is hereby granted without fee, provided that
8 * the above copyright notice appear in all copies and that both that
9 * copyright notice and this permission notice appear in supporting
10 * documentation, and that the name of Keith Packard not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. Keith Packard makes no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
19 * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
20 * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
21 * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
22 * PERFORMANCE OF THIS SOFTWARE.
25 #include <fontconfig/fontconfig.h>
26 #include <../src/fccache.c>
31 #include <sys/types.h>
38 #define HAVE_GETOPT_LONG 1
46 #ifndef HAVE_GETOPT_LONG
47 #define HAVE_GETOPT_LONG 0
54 const struct option longopts[] = {
55 {"version", 0, 0, 'V'},
62 extern int optind, opterr, optopt;
67 * POSIX has broken stdio so that getc must do thread-safe locking,
68 * this is a serious performance problem for applications doing large
69 * amounts of IO with getc (as is done here). If available, use
70 * the getc_unlocked varient instead.
73 #if defined(getc_unlocked) || defined(_IO_getc_unlocked)
74 #define GETC(f) getc_unlocked(f)
75 #define PUTC(c,f) putc_unlocked(c,f)
77 #define GETC(f) getc(f)
78 #define PUTC(c,f) putc(c,f)
82 FcCachePrintSet (FcFontSet *set, FcStrSet *dirs, char *base_name);
85 FcCacheWriteChars (FILE *f, const FcChar8 *chars)
88 while ((c = *chars++))
93 if (PUTC ('\\', f) == EOF)
97 if (PUTC (c, f) == EOF)
105 FcCacheWriteUlong (FILE *f, unsigned long t)
108 unsigned long temp, digit;
121 if (PUTC ((char) digit + '0', f) == EOF)
123 temp = temp - pow * digit;
130 FcCacheWriteInt (FILE *f, int i)
132 return FcCacheWriteUlong (f, (unsigned long) i);
136 FcCacheWriteStringOld (FILE *f, const FcChar8 *string)
139 if (PUTC ('"', f) == EOF)
141 if (!FcCacheWriteChars (f, string))
143 if (PUTC ('"', f) == EOF)
149 usage (char *program)
152 fprintf (stderr, "usage: %s [-V?] [--version] [--help] <fonts.cache-2>\n",
155 fprintf (stderr, "usage: %s [-fsvV?] <fonts.cache-2>\n",
158 fprintf (stderr, "Reads font information caches in <fonts.cache-2>\n");
159 fprintf (stderr, "\n");
161 fprintf (stderr, " -V, --version display font config version and exit\n");
162 fprintf (stderr, " -?, --help display this help and exit\n");
164 fprintf (stderr, " -V (version) display font config version and exit\n");
165 fprintf (stderr, " -? (help) display this help and exit\n");
171 FcCacheGlobalFileReadAndPrint (FcFontSet * set, FcStrSet *dirs, char *cache_file)
175 char * current_arch_machine_name;
176 char candidate_arch_machine_name[9+MACHINE_SIGNATURE_SIZE];
177 char subdirName[FC_MAX_FILE_LEN + 1 + 12 + 1];
178 off_t current_arch_start = 0;
183 current_arch_machine_name = FcCacheMachineSignature();
184 fd = open(cache_file, O_RDONLY);
188 current_arch_start = FcCacheSkipToArch(fd, current_arch_machine_name);
189 if (current_arch_start < 0)
192 lseek (fd, current_arch_start, SEEK_SET);
193 if (FcCacheReadString (fd, candidate_arch_machine_name,
194 sizeof (candidate_arch_machine_name)) == 0)
200 FcCacheReadString (fd, name_buf, sizeof (name_buf));
201 if (!strlen(name_buf))
203 printf ("fc-cat: printing global cache contents for dir %s\n",
208 if (!FcCacheReadString (fd, subdirName,
209 sizeof (subdirName)) ||
210 !strlen (subdirName))
212 /* then don't do anything with subdirName. */
215 if (!FcDirCacheConsume (fd, name_buf, set, 0))
218 dir = malloc (strlen (name_buf) + 2);
222 strcpy (dir, name_buf);
225 FcCachePrintSet (set, dirs, dir);
228 FcFontSetDestroy (set);
229 set = FcFontSetCreate();
238 /* read serialized state from the cache file */
240 FcCacheFileRead (FcFontSet * set, FcStrSet *dirs, char *cache_file)
243 char * current_arch_machine_name;
244 off_t current_arch_start = 0;
245 char subdirName[FC_MAX_FILE_LEN + 1 + 12 + 1];
246 static char name_buf[8192], *dir;
252 current_arch_machine_name = FcCacheMachineSignature();
253 fd = open(cache_file, O_RDONLY);
257 FcCacheReadString (fd, name_buf, sizeof (name_buf));
258 if (!strlen (name_buf))
260 if (strcmp (name_buf, FC_GLOBAL_MAGIC_COOKIE) == 0)
262 printf ("fc-cat: printing directory cache for cache which would be named %s\n",
265 current_arch_start = FcCacheSkipToArch(fd, current_arch_machine_name);
266 if (current_arch_start < 0)
269 while (strlen(FcCacheReadString (fd, subdirName, sizeof (subdirName))) > 0)
270 FcStrSetAdd (dirs, (FcChar8 *)subdirName);
272 dir = strdup(name_buf);
273 ls = FcStrLastSlash ((FcChar8 *)dir);
277 if (!FcDirCacheConsume (fd, dir, set, 0))
294 * return the path from the directory containing 'cache' to 'file'
297 static const FcChar8 *
298 FcFileBaseName (const char *cache, const FcChar8 *file)
300 const FcChar8 *cache_slash;
302 cache_slash = FcStrLastSlash ((const FcChar8 *)cache);
303 if (cache_slash && !strncmp ((const char *) cache, (const char *) file,
304 (cache_slash + 1) - (const FcChar8 *)cache))
305 return file + ((cache_slash + 1) - (const FcChar8 *)cache);
310 FcCachePrintSet (FcFontSet *set, FcStrSet *dirs, char *base_name)
314 const FcChar8 *file, *base;
320 list = FcStrListCreate (dirs);
324 while ((dir = FcStrListNext (list)))
326 base = FcFileBaseName (base_name, dir);
327 if (!FcCacheWriteStringOld (stdout, base))
329 if (PUTC (' ', stdout) == EOF)
331 if (!FcCacheWriteInt (stdout, 0))
333 if (PUTC (' ', stdout) == EOF)
335 if (!FcCacheWriteStringOld (stdout, FC_FONT_FILE_DIR))
337 if (PUTC ('\n', stdout) == EOF)
341 for (n = 0; n < set->nfont; n++)
343 font = set->fonts[n];
344 if (FcPatternGetString (font, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch)
346 base = FcFileBaseName (base_name, file);
347 if (FcPatternGetInteger (font, FC_INDEX, 0, &id) != FcResultMatch)
349 if (FcDebug () & FC_DBG_CACHEV)
350 printf (" write file \"%s\"\n", base);
351 if (!FcCacheWriteStringOld (stdout, base))
353 if (PUTC (' ', stdout) == EOF)
355 if (!FcCacheWriteInt (stdout, id))
357 if (PUTC (' ', stdout) == EOF)
359 name = FcNameUnparse (font);
362 ret = FcCacheWriteStringOld (stdout, name);
366 if (PUTC ('\n', stdout) == EOF)
370 FcStrListDone (list);
375 FcStrListDone (list);
381 main (int argc, char **argv)
384 #if HAVE_GETOPT_LONG || HAVE_GETOPT
386 FcFontSet *fs = FcFontSetCreate();
387 FcStrSet *dirs = FcStrSetCreate();
391 while ((c = getopt_long (argc, argv, "fsVv?", longopts, NULL)) != -1)
393 while ((c = getopt (argc, argv, "fsVv?")) != -1)
398 fprintf (stderr, "fontconfig version %d.%d.%d\n",
399 FC_MAJOR, FC_MINOR, FC_REVISION);
413 if ((name_buf = FcCacheFileRead (fs, dirs, argv[i])) != 0)
414 FcCachePrintSet (fs, dirs, name_buf);
417 FcStrSetDestroy (dirs);
418 dirs = FcStrSetCreate ();
419 if (FcCacheGlobalFileReadAndPrint (fs, dirs, argv[i]))
423 FcStrSetDestroy (dirs);
424 FcFontSetDestroy (fs);