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>
30 #include <sys/types.h>
37 #define HAVE_GETOPT_LONG 1
45 #ifndef HAVE_GETOPT_LONG
46 #define HAVE_GETOPT_LONG 0
53 const struct option longopts[] = {
54 {"version", 0, 0, 'V'},
61 extern int optind, opterr, optopt;
66 * POSIX has broken stdio so that getc must do thread-safe locking,
67 * this is a serious performance problem for applications doing large
68 * amounts of IO with getc (as is done here). If available, use
69 * the getc_unlocked varient instead.
72 #if defined(getc_unlocked) || defined(_IO_getc_unlocked)
73 #define GETC(f) getc_unlocked(f)
74 #define PUTC(c,f) putc_unlocked(c,f)
76 #define GETC(f) getc(f)
77 #define PUTC(c,f) putc(c,f)
81 FcCachePrintSet (FcFontSet *set, FcStrSet *dirs, char *base_name);
84 FcCacheWriteChars (FILE *f, const FcChar8 *chars)
87 while ((c = *chars++))
92 if (PUTC ('\\', f) == EOF)
96 if (PUTC (c, f) == EOF)
104 FcCacheWriteUlong (FILE *f, unsigned long t)
107 unsigned long temp, digit;
120 if (PUTC ((char) digit + '0', f) == EOF)
122 temp = temp - pow * digit;
129 FcCacheWriteInt (FILE *f, int i)
131 return FcCacheWriteUlong (f, (unsigned long) i);
135 FcCacheWriteStringOld (FILE *f, const FcChar8 *string)
138 if (PUTC ('"', f) == EOF)
140 if (!FcCacheWriteChars (f, string))
142 if (PUTC ('"', f) == EOF)
148 usage (char *program)
151 fprintf (stderr, "usage: %s [-V?] [--version] [--help] <fonts.cache-2>\n",
154 fprintf (stderr, "usage: %s [-fsvV?] <fonts.cache-2>\n",
157 fprintf (stderr, "Reads font information caches in <fonts.cache-2>\n");
158 fprintf (stderr, "\n");
160 fprintf (stderr, " -V, --version display font config version and exit\n");
161 fprintf (stderr, " -?, --help display this help and exit\n");
163 fprintf (stderr, " -V (version) display font config version and exit\n");
164 fprintf (stderr, " -? (help) display this help and exit\n");
170 FcCacheGlobalFileReadAndPrint (FcFontSet * set, FcStrSet *dirs, char *cache_file)
174 char * current_arch_machine_name;
175 char candidate_arch_machine_name[9+MACHINE_SIGNATURE_SIZE];
176 char subdirName[FC_MAX_FILE_LEN + 1 + 12 + 1];
177 off_t current_arch_start = 0;
182 current_arch_machine_name = FcCacheMachineSignature();
183 fd = open(cache_file, O_RDONLY);
187 current_arch_start = FcCacheSkipToArch(fd, current_arch_machine_name);
188 if (current_arch_start < 0)
191 lseek (fd, current_arch_start, SEEK_SET);
192 if (FcCacheReadString (fd, candidate_arch_machine_name,
193 sizeof (candidate_arch_machine_name)) == 0)
199 FcCacheReadString (fd, name_buf, sizeof (name_buf));
200 if (!strlen(name_buf))
202 printf ("fc-cat: printing global cache contents for dir %s\n",
207 if (!FcCacheReadString (fd, subdirName,
208 sizeof (subdirName)) ||
209 !strlen (subdirName))
211 /* then don't do anything with subdirName. */
214 if (!FcDirCacheConsume (fd, name_buf, set, 0))
217 dir = malloc (strlen (name_buf) + 2);
221 strcpy (dir, name_buf);
224 FcCachePrintSet (set, dirs, dir);
227 FcFontSetDestroy (set);
228 set = FcFontSetCreate();
237 /* read serialized state from the cache file */
239 FcCacheFileRead (FcFontSet * set, FcStrSet *dirs, char *cache_file)
242 char * current_arch_machine_name;
243 off_t current_arch_start = 0;
244 char subdirName[FC_MAX_FILE_LEN + 1 + 12 + 1];
245 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 ((buf = FcCacheReadString (fd, subdirName, sizeof (subdirName)))
271 FcStrSetAdd (dirs, (FcChar8 *)subdirName);
273 dir = strdup(name_buf);
274 ls = FcStrLastSlash ((FcChar8 *)dir);
278 if (!FcDirCacheConsume (fd, dir, set, 0))
295 * return the path from the directory containing 'cache' to 'file'
298 static const FcChar8 *
299 FcFileBaseName (const char *cache, const FcChar8 *file)
301 const FcChar8 *cache_slash;
303 cache_slash = FcStrLastSlash ((const FcChar8 *)cache);
304 if (cache_slash && !strncmp ((const char *) cache, (const char *) file,
305 (cache_slash + 1) - (const FcChar8 *)cache))
306 return file + ((cache_slash + 1) - (const FcChar8 *)cache);
311 FcCachePrintSet (FcFontSet *set, FcStrSet *dirs, char *base_name)
315 const FcChar8 *file, *base;
321 list = FcStrListCreate (dirs);
325 while ((dir = FcStrListNext (list)))
327 base = FcFileBaseName (base_name, dir);
328 if (!FcCacheWriteStringOld (stdout, base))
330 if (PUTC (' ', stdout) == EOF)
332 if (!FcCacheWriteInt (stdout, 0))
334 if (PUTC (' ', stdout) == EOF)
336 if (!FcCacheWriteStringOld (stdout, FC_FONT_FILE_DIR))
338 if (PUTC ('\n', stdout) == EOF)
342 for (n = 0; n < set->nfont; n++)
344 font = set->fonts[n];
345 if (FcPatternGetString (font, FC_FILE, 0, (FcChar8 **) &file) != FcResultMatch)
347 base = FcFileBaseName (base_name, file);
348 if (FcPatternGetInteger (font, FC_INDEX, 0, &id) != FcResultMatch)
350 if (FcDebug () & FC_DBG_CACHEV)
351 printf (" write file \"%s\"\n", base);
352 if (!FcCacheWriteStringOld (stdout, base))
354 if (PUTC (' ', stdout) == EOF)
356 if (!FcCacheWriteInt (stdout, id))
358 if (PUTC (' ', stdout) == EOF)
360 name = FcNameUnparse (font);
363 ret = FcCacheWriteStringOld (stdout, name);
367 if (PUTC ('\n', stdout) == EOF)
371 FcStrListDone (list);
376 FcStrListDone (list);
382 main (int argc, char **argv)
385 #if HAVE_GETOPT_LONG || HAVE_GETOPT
387 FcFontSet *fs = FcFontSetCreate();
388 FcStrSet *dirs = FcStrSetCreate();
393 while ((c = getopt_long (argc, argv, "fsVv?", longopts, NULL)) != -1)
395 while ((c = getopt (argc, argv, "fsVv?")) != -1)
400 fprintf (stderr, "fontconfig version %d.%d.%d\n",
401 FC_MAJOR, FC_MINOR, FC_REVISION);
412 config = FcInitLoadConfig ();
415 fprintf (stderr, "%s: Can't init font config library\n", argv[0]);
418 FcConfigSetCurrent (config);
423 if (FcFileIsDir ((const FcChar8 *)argv[i]))
425 char * dummy_name = (char *)FcStrPlus ((FcChar8 *)argv[i],
426 (FcChar8 *)"/dummy");
427 if (!FcDirScanConfig (fs, dirs, 0, 0,
428 (const FcChar8 *)argv[i], FcFalse, config))
429 fprintf (stderr, "couldn't load font dir %s\n", argv[i]);
432 /* sorry, we can't tell you where the cache file is. */
433 FcCachePrintSet (fs, dirs, dummy_name);
434 FcStrFree ((FcChar8 *)dummy_name);
437 else if ((name_buf = FcCacheFileRead (fs, dirs, argv[i])) != 0)
438 FcCachePrintSet (fs, dirs, name_buf);
441 FcStrSetDestroy (dirs);
442 dirs = FcStrSetCreate ();
443 if (FcCacheGlobalFileReadAndPrint (fs, dirs, argv[i]))
447 FcStrSetDestroy (dirs);
448 FcFontSetDestroy (fs);