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 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 "../fc-arch/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'},
72 {"system-only", 0, 0, 's'},
73 {"version", 0, 0, 'V'},
74 {"verbose", 0, 0, 'v'},
81 extern int optind
, opterr
, optopt
;
89 fprintf (stderr
, "usage: %s [-frsvV?] [--force|--really-force] [--system-only] [--verbose] [--version] [--help] [dirs]\n",
92 fprintf (stderr
, "usage: %s [-frsvV?] [dirs]\n",
95 fprintf (stderr
, "Build font information caches in [dirs]\n"
96 "(all directories in font configuration by default).\n");
97 fprintf (stderr
, "\n");
99 fprintf (stderr
, " -f, --force scan directories with apparently valid caches\n");
100 fprintf (stderr
, " -r, --really-force erase all existing caches, then rescan\n");
101 fprintf (stderr
, " -s, --system-only scan system-wide directories only\n");
102 fprintf (stderr
, " -v, --verbose display status information while busy\n");
103 fprintf (stderr
, " -V, --version display font config version and exit\n");
104 fprintf (stderr
, " -?, --help display this help and exit\n");
106 fprintf (stderr
, " -f (force) scan directories with apparently valid caches\n");
107 fprintf (stderr
, " -r, (really force) erase all existing caches, then rescan\n");
108 fprintf (stderr
, " -s (system) scan system-wide directories only\n");
109 fprintf (stderr
, " -v (verbose) display status information while busy\n");
110 fprintf (stderr
, " -V (version) display font config version and exit\n");
111 fprintf (stderr
, " -? (help) display this help and exit\n");
116 static FcStrSet
*processed_dirs
;
119 scanDirs (FcStrList
*list
, FcConfig
*config
, FcBool force
, FcBool really_force
, FcBool verbose
)
131 * Now scan all of the directories into separate databases
132 * and write out the results
134 while ((dir
= FcStrListNext (list
)))
138 printf ("%s: ", dir
);
145 printf ("skipping, no such directory\n");
149 if (FcStrSetMember (processed_dirs
, dir
))
152 printf ("skipping, looped directory detected\n");
156 if (stat ((char *) dir
, &statb
) == -1)
162 printf ("skipping, no such directory\n");
165 fprintf (stderr
, "\"%s\": ", dir
);
173 if (!S_ISDIR (statb
.st_mode
))
175 fprintf (stderr
, "\"%s\": not a directory, skipping\n", dir
);
180 FcDirCacheUnlink (dir
, config
);
185 cache
= FcDirCacheLoad (dir
, config
, NULL
);
192 cache
= FcDirCacheRead (dir
, FcTrue
, config
);
195 fprintf (stderr
, "%s: error scanning\n", dir
);
204 printf ("skipping, existing cache is valid: %d fonts, %d dirs\n",
205 FcCacheNumFont (cache
), FcCacheNumSubdir (cache
));
210 printf ("caching, new cache contents: %d fonts, %d dirs\n",
211 FcCacheNumFont (cache
), FcCacheNumSubdir (cache
));
213 if (!FcDirCacheValid (dir
))
215 fprintf (stderr
, "%s: failed to write cache\n", dir
);
216 (void) FcDirCacheUnlink (dir
, config
);
221 subdirs
= FcStrSetCreate ();
224 fprintf (stderr
, "%s: Can't create subdir set\n", dir
);
226 FcDirCacheUnload (cache
);
229 for (i
= 0; i
< FcCacheNumSubdir (cache
); i
++)
230 FcStrSetAdd (subdirs
, FcCacheSubdir (cache
, i
));
232 FcDirCacheUnload (cache
);
234 sublist
= FcStrListCreate (subdirs
);
235 FcStrSetDestroy (subdirs
);
238 fprintf (stderr
, "%s: Can't create subdir list\n", dir
);
242 FcStrSetAdd (processed_dirs
, dir
);
243 ret
+= scanDirs (sublist
, config
, force
, really_force
, verbose
);
245 FcStrListDone (list
);
250 cleanCacheDirectory (FcConfig
*config
, FcChar8
*dir
, FcBool verbose
)
258 struct stat target_stat
;
260 dir_base
= FcStrPlus (dir
, (FcChar8
*) "/");
263 fprintf (stderr
, "%s: out of memory\n", dir
);
266 if (access ((char *) dir
, W_OK
) != 0)
269 printf ("%s: not cleaning %s cache directory\n", dir
,
270 access ((char *) dir
, F_OK
) == 0 ? "unwritable" : "non-existent");
271 FcStrFree (dir_base
);
275 printf ("%s: cleaning cache directory\n", dir
);
276 d
= opendir ((char *) dir
);
279 perror ((char *) dir
);
280 FcStrFree (dir_base
);
283 while ((ent
= readdir (d
)))
286 const FcChar8
*target_dir
;
288 if (ent
->d_name
[0] == '.')
290 /* skip cache files for different architectures and */
291 /* files which are not cache files at all */
292 if (strlen(ent
->d_name
) != 32 + strlen ("-" FC_ARCHITECTURE FC_CACHE_SUFFIX
) ||
293 strcmp(ent
->d_name
+ 32, "-" FC_ARCHITECTURE FC_CACHE_SUFFIX
))
296 file_name
= FcStrPlus (dir_base
, (FcChar8
*) ent
->d_name
);
299 fprintf (stderr
, "%s: allocation failure\n", dir
);
304 cache
= FcDirCacheLoadFile (file_name
, NULL
);
308 printf ("%s: invalid cache file: %s\n", dir
, ent
->d_name
);
313 target_dir
= FcCacheDir (cache
);
314 if (stat ((char *) target_dir
, &target_stat
) < 0)
317 printf ("%s: %s: missing directory: %s \n",
318 dir
, ent
->d_name
, target_dir
);
324 if (unlink ((char *) file_name
) < 0)
326 perror ((char *) file_name
);
330 FcDirCacheUnload (cache
);
331 FcStrFree (file_name
);
335 FcStrFree (dir_base
);
340 cleanCacheDirectories (FcConfig
*config
, FcBool verbose
)
342 FcStrList
*cache_dirs
= FcConfigGetCacheDirs (config
);
348 while ((cache_dir
= FcStrListNext (cache_dirs
)))
350 if (!cleanCacheDirectory (config
, cache_dir
, verbose
))
356 FcStrListDone (cache_dirs
);
361 main (int argc
, char **argv
)
365 FcBool verbose
= FcFalse
;
366 FcBool force
= FcFalse
;
367 FcBool really_force
= FcFalse
;
368 FcBool systemOnly
= FcFalse
;
372 #if HAVE_GETOPT_LONG || HAVE_GETOPT
376 while ((c
= getopt_long (argc
, argv
, "frsVv?", longopts
, NULL
)) != -1)
378 while ((c
= getopt (argc
, argv
, "frsVv?")) != -1)
383 really_force
= FcTrue
;
392 fprintf (stderr
, "fontconfig version %d.%d.%d\n",
393 FC_MAJOR
, FC_MINOR
, FC_REVISION
);
408 FcConfigEnableHome (FcFalse
);
409 config
= FcInitLoadConfig ();
412 fprintf (stderr
, "%s: Can't init font config library\n", argv
[0]);
415 FcConfigSetCurrent (config
);
419 dirs
= FcStrSetCreate ();
422 fprintf (stderr
, "%s: Can't create list of directories\n",
428 if (!FcStrSetAddFilename (dirs
, (FcChar8
*) argv
[i
]))
430 fprintf (stderr
, "%s: Can't add directory\n", argv
[0]);
435 list
= FcStrListCreate (dirs
);
436 FcStrSetDestroy (dirs
);
439 list
= FcConfigGetConfigDirs (config
);
441 if ((processed_dirs
= FcStrSetCreate()) == NULL
) {
442 fprintf(stderr
, "Cannot malloc\n");
446 ret
= scanDirs (list
, config
, force
, really_force
, verbose
);
448 FcStrSetDestroy (processed_dirs
);
450 cleanCacheDirectories (config
, verbose
);
453 * Now we need to sleep a second (or two, to be extra sure), to make
454 * sure that timestamps for changes after this run of fc-cache are later
455 * then any timestamps we wrote. We don't use gettimeofday() because
456 * sleep(3) can't be interrupted by a signal here -- this isn't in the
457 * library, and there aren't any signals flying around here.
459 FcConfigDestroy (config
);
463 printf ("%s: %s\n", argv
[0], ret
? "failed" : "succeeded");