2 * fontconfig/fc-cache/fc-cache.c
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 the author(s) not be used in
11 * advertising or publicity pertaining to distribution of the software without
12 * specific, written prior permission. The authors make no
13 * representations about the suitability of this software for any purpose. It
14 * is provided "as is" without express or implied warranty.
16 * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18 * EVENT SHALL THE AUTHOR(S) 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 "../src/fcarch.h"
31 #define HAVE_GETOPT_LONG 1
36 #include <fontconfig/fontconfig.h>
40 #include <sys/types.h>
50 #define sleep(x) Sleep((x) * 1000)
61 #ifndef HAVE_GETOPT_LONG
62 #define HAVE_GETOPT_LONG 0
69 const struct option longopts
[] = {
71 {"really-force", 0, 0, 'r'},
73 {"system-only", 0, 0, 's'},
74 {"version", 0, 0, 'V'},
75 {"verbose", 0, 0, 'v'},
82 extern int optind
, opterr
, optopt
;
87 usage (char *program
, int error
)
89 FILE *file
= error
? stderr
: stdout
;
91 fprintf (file
, "usage: %s [-frRsvVh] [--force|--really-force] [--root <root>] [--system-only] [--verbose] [--version] [--help] [dirs]\n",
94 fprintf (file
, "usage: %s [-frRsvVh] [dirs]\n",
97 fprintf (file
, "Build font information caches in [dirs]\n"
98 "(all directories in font configuration by default).\n");
101 fprintf (file
, " -f, --force scan directories with apparently valid caches\n");
102 fprintf (file
, " -r, --really-force erase all existing caches, then rescan\n");
103 fprintf (file
, " -R, --root <root> change to <root> before loading files\n");
104 fprintf (file
, " -s, --system-only scan system-wide directories only\n");
105 fprintf (file
, " -v, --verbose display status information while busy\n");
106 fprintf (file
, " -V, --version display font config version and exit\n");
107 fprintf (file
, " -h, --help display this help and exit\n");
109 fprintf (file
, " -f (force) scan directories with apparently valid caches\n");
110 fprintf (file
, " -r, (really force) erase all existing caches, then rescan\n");
111 fprintf (file
, " -R <root> (root) change to <root> before loading files\n");
112 fprintf (file
, " -s (system) scan system-wide directories only\n");
113 fprintf (file
, " -v (verbose) display status information while busy\n");
114 fprintf (file
, " -V (version) display font config version and exit\n");
115 fprintf (file
, " -h (help) display this help and exit\n");
120 static FcStrSet
*processed_dirs
;
123 scanDirs (FcStrList
*list
, FcConfig
*config
, FcBool force
, FcBool really_force
, FcBool verbose
, int *changed
)
135 * Now scan all of the directories into separate databases
136 * and write out the results
138 while ((dir
= FcStrListNext (list
)))
142 printf ("%s: ", dir
);
149 printf ("skipping, no such directory\n");
153 if (FcStrSetMember (processed_dirs
, dir
))
156 printf ("skipping, looped directory detected\n");
160 if (FcStat (config
, dir
, &statb
) == -1)
166 printf ("skipping, no such directory\n");
169 fprintf (stderr
, "\"%s\": ", dir
);
177 if (!S_ISDIR (statb
.st_mode
))
179 fprintf (stderr
, "\"%s\": not a directory, skipping\n", dir
);
184 FcDirCacheUnlink (dir
, config
);
189 cache
= FcDirCacheLoad (dir
, config
, NULL
);
197 cache
= FcDirCacheRead (dir
, FcTrue
, config
);
200 fprintf (stderr
, "%s: error scanning\n", dir
);
209 printf ("skipping, existing cache is valid: %d fonts, %d dirs\n",
210 FcCacheNumFont (cache
), FcCacheNumSubdir (cache
));
215 printf ("caching, new cache contents: %d fonts, %d dirs\n",
216 FcCacheNumFont (cache
), FcCacheNumSubdir (cache
));
218 if (!FcDirCacheValid (dir
))
220 fprintf (stderr
, "%s: failed to write cache\n", dir
);
221 (void) FcDirCacheUnlink (dir
, config
);
226 subdirs
= FcStrSetCreate ();
229 fprintf (stderr
, "%s: Can't create subdir set\n", dir
);
231 FcDirCacheUnload (cache
);
234 for (i
= 0; i
< FcCacheNumSubdir (cache
); i
++)
235 FcStrSetAdd (subdirs
, FcCacheSubdir (cache
, i
));
237 FcDirCacheUnload (cache
);
239 sublist
= FcStrListCreate (subdirs
);
240 FcStrSetDestroy (subdirs
);
243 fprintf (stderr
, "%s: Can't create subdir list\n", dir
);
247 FcStrSetAdd (processed_dirs
, dir
);
248 ret
+= scanDirs (sublist
, config
, force
, really_force
, verbose
, changed
);
250 FcStrListDone (list
);
255 cleanCacheDirectory (FcConfig
*config
, FcChar8
*dir
, FcBool verbose
)
264 struct stat target_stat
;
266 fullDir
= FcConfigGetRootPlus (config
, dir
);
272 if (access ((char *) checkDir
, W_OK
) != 0)
275 printf ("%s: not cleaning %s cache directory\n", dir
,
276 access ((char *) dir
, F_OK
) == 0 ? "unwritable" : "non-existent");
280 printf ("%s: cleaning cache directory\n", dir
);
281 d
= opendir ((char *) checkDir
);
284 perror ((char *) dir
);
288 while ((ent
= readdir (d
)))
291 const FcChar8
*target_dir
;
293 if (ent
->d_name
[0] == '.')
295 /* skip cache files for different architectures and */
296 /* files which are not cache files at all */
297 if (strlen(ent
->d_name
) != 32 + strlen ("-" FC_ARCHITECTURE FC_CACHE_SUFFIX
) ||
298 strcmp(ent
->d_name
+ 32, "-" FC_ARCHITECTURE FC_CACHE_SUFFIX
))
301 file_name
= FcStrPathPlus (dir
, (const FcChar8
*) ent
->d_name
, NULL
);
304 fprintf (stderr
, "%s: allocation failure\n", dir
);
309 cache
= FcDirCacheLoadFile2 (file_name
, config
, NULL
);
313 printf ("%s: invalid cache file: %s\n", dir
, ent
->d_name
);
318 target_dir
= FcCacheDir (cache
);
319 if (FcStat (config
, target_dir
, &target_stat
) < 0)
322 printf ("%s: %s: missing directory: %s \n",
323 dir
, ent
->d_name
, target_dir
);
329 FcChar8
*unlink_file
= FcConfigGetRootPlus (config
, file_name
);
331 unlink_file
= file_name
;
332 if (unlink ((char *) unlink_file
) < 0)
334 perror ((char *) unlink_file
);
337 if (unlink_file
!= file_name
)
338 FcStrFree (unlink_file
);
340 FcDirCacheUnload (cache
);
341 FcStrFree (file_name
);
352 cleanCacheDirectories (FcConfig
*config
, FcBool verbose
)
354 FcStrList
*cache_dirs
= FcConfigGetCacheDirs (config
);
360 while ((cache_dir
= FcStrListNext (cache_dirs
)))
362 if (!cleanCacheDirectory (config
, cache_dir
, verbose
))
368 FcStrListDone (cache_dirs
);
373 main (int argc
, char **argv
)
377 FcBool verbose
= FcFalse
;
378 FcBool force
= FcFalse
;
379 FcBool really_force
= FcFalse
;
380 FcBool systemOnly
= FcFalse
;
386 #if HAVE_GETOPT_LONG || HAVE_GETOPT
390 while ((c
= getopt_long (argc
, argv
, "frR:sVvh", longopts
, NULL
)) != -1)
392 while ((c
= getopt (argc
, argv
, "frR:sVvh")) != -1)
397 really_force
= FcTrue
;
409 fprintf (stderr
, "fontconfig version %d.%d.%d\n",
410 FC_MAJOR
, FC_MINOR
, FC_REVISION
);
427 FcConfigEnableHome (FcFalse
);
428 config
= FcInitLoadConfig ();
431 fprintf (stderr
, "%s: Can't init font config library\n", argv
[0]);
434 FcConfigSetCurrent (config
);
435 FcConfigSetRoot (config
, (const FcChar8
*) rootDir
);
439 dirs
= FcStrSetCreate ();
442 fprintf (stderr
, "%s: Can't create list of directories\n",
448 if (!FcStrSetAddFilename (dirs
, (FcChar8
*) argv
[i
]))
450 fprintf (stderr
, "%s: Can't add directory\n", argv
[0]);
455 list
= FcStrListCreate (dirs
);
456 FcStrSetDestroy (dirs
);
459 list
= FcConfigGetConfigDirs (config
);
461 if ((processed_dirs
= FcStrSetCreate()) == NULL
) {
462 fprintf(stderr
, "Cannot malloc\n");
467 ret
= scanDirs (list
, config
, force
, really_force
, verbose
, &changed
);
469 FcStrSetDestroy (processed_dirs
);
471 cleanCacheDirectories (config
, verbose
);
474 * Now we need to sleep a second (or two, to be extra sure), to make
475 * sure that timestamps for changes after this run of fc-cache are later
476 * then any timestamps we wrote. We don't use gettimeofday() because
477 * sleep(3) can't be interrupted by a signal here -- this isn't in the
478 * library, and there aren't any signals flying around here.
480 FcConfigDestroy (config
);
485 printf ("%s: %s\n", argv
[0], ret
? "failed" : "succeeded");