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24330d27 | 1 | /* |
317b8492 | 2 | * fontconfig/fc-cache/fc-cache.c |
24330d27 | 3 | * |
46b51147 | 4 | * Copyright © 2002 Keith Packard |
24330d27 KP |
5 | * |
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. | |
15 | * | |
3074a73b | 16 | * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, |
24330d27 | 17 | * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO |
3074a73b | 18 | * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR |
24330d27 KP |
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. | |
23 | */ | |
24 | ||
0334e5a2 MF |
25 | #include "../fc-arch/fcarch.h" |
26 | ||
24330d27 KP |
27 | #ifdef HAVE_CONFIG_H |
28 | #include <config.h> | |
29 | #else | |
c4bd0638 MALF |
30 | #ifdef linux |
31 | #define HAVE_GETOPT_LONG 1 | |
32 | #endif | |
24330d27 KP |
33 | #define HAVE_GETOPT 1 |
34 | #endif | |
35 | ||
4984242e | 36 | #include <fontconfig/fontconfig.h> |
f045376c PL |
37 | #include <stdio.h> |
38 | #include <stdlib.h> | |
39 | #include <unistd.h> | |
40 | #include <sys/types.h> | |
41 | #include <sys/stat.h> | |
42 | #include <errno.h> | |
d8ab9e6c KP |
43 | #include <fcntl.h> |
44 | #include <dirent.h> | |
0334e5a2 | 45 | #include <string.h> |
f045376c | 46 | |
d6217cc6 PL |
47 | #if defined (_WIN32) |
48 | #define STRICT | |
49 | #include <windows.h> | |
50 | #define sleep(x) Sleep((x) * 1000) | |
51 | #undef STRICT | |
52 | #endif | |
53 | ||
d8ab9e6c KP |
54 | #ifndef O_BINARY |
55 | #define O_BINARY 0 | |
56 | #endif | |
57 | ||
c4bd0638 MALF |
58 | #ifndef HAVE_GETOPT |
59 | #define HAVE_GETOPT 0 | |
60 | #endif | |
61 | #ifndef HAVE_GETOPT_LONG | |
62 | #define HAVE_GETOPT_LONG 0 | |
63 | #endif | |
64 | ||
24330d27 | 65 | #if HAVE_GETOPT_LONG |
c4bd0638 | 66 | #undef _GNU_SOURCE |
24330d27 KP |
67 | #define _GNU_SOURCE |
68 | #include <getopt.h> | |
69 | const struct option longopts[] = { | |
179c3995 | 70 | {"force", 0, 0, 'f'}, |
d2c01029 | 71 | {"really-force", 0, 0, 'r'}, |
ff3f1f98 | 72 | {"system-only", 0, 0, 's'}, |
24330d27 KP |
73 | {"version", 0, 0, 'V'}, |
74 | {"verbose", 0, 0, 'v'}, | |
1439c8f2 | 75 | {"help", 0, 0, 'h'}, |
24330d27 KP |
76 | {NULL,0,0,0}, |
77 | }; | |
78 | #else | |
79 | #if HAVE_GETOPT | |
80 | extern char *optarg; | |
81 | extern int optind, opterr, optopt; | |
82 | #endif | |
83 | #endif | |
84 | ||
65018b4a | 85 | static void |
1439c8f2 | 86 | usage (char *program, int error) |
24330d27 | 87 | { |
1439c8f2 | 88 | FILE *file = error ? stderr : stdout; |
86b12431 | 89 | #if HAVE_GETOPT_LONG |
1439c8f2 | 90 | fprintf (file, "usage: %s [-frsvVh] [--force|--really-force] [--system-only] [--verbose] [--version] [--help] [dirs]\n", |
86b12431 KP |
91 | program); |
92 | #else | |
1439c8f2 | 93 | fprintf (file, "usage: %s [-frsvVh] [dirs]\n", |
24330d27 | 94 | program); |
86b12431 | 95 | #endif |
1439c8f2 | 96 | fprintf (file, "Build font information caches in [dirs]\n" |
24330d27 | 97 | "(all directories in font configuration by default).\n"); |
1439c8f2 | 98 | fprintf (file, "\n"); |
86b12431 | 99 | #if HAVE_GETOPT_LONG |
1439c8f2 BE |
100 | fprintf (file, " -f, --force scan directories with apparently valid caches\n"); |
101 | fprintf (file, " -r, --really-force erase all existing caches, then rescan\n"); | |
102 | fprintf (file, " -s, --system-only scan system-wide directories only\n"); | |
103 | fprintf (file, " -v, --verbose display status information while busy\n"); | |
104 | fprintf (file, " -V, --version display font config version and exit\n"); | |
105 | fprintf (file, " -h, --help display this help and exit\n"); | |
86b12431 | 106 | #else |
1439c8f2 BE |
107 | fprintf (file, " -f (force) scan directories with apparently valid caches\n"); |
108 | fprintf (file, " -r, (really force) erase all existing caches, then rescan\n"); | |
109 | fprintf (file, " -s (system) scan system-wide directories only\n"); | |
110 | fprintf (file, " -v (verbose) display status information while busy\n"); | |
111 | fprintf (file, " -V (version) display font config version and exit\n"); | |
112 | fprintf (file, " -h (help) display this help and exit\n"); | |
86b12431 | 113 | #endif |
1439c8f2 | 114 | exit (error); |
24330d27 KP |
115 | } |
116 | ||
660acf8f PL |
117 | static FcStrSet *processed_dirs; |
118 | ||
179c3995 | 119 | static int |
111e5b6d | 120 | scanDirs (FcStrList *list, FcConfig *config, FcBool force, FcBool really_force, FcBool verbose, int *changed) |
24330d27 | 121 | { |
4984242e KP |
122 | int ret = 0; |
123 | const FcChar8 *dir; | |
124 | FcStrSet *subdirs; | |
125 | FcStrList *sublist; | |
126 | FcCache *cache; | |
127 | struct stat statb; | |
128 | FcBool was_valid; | |
129 | int i; | |
179c3995 KP |
130 | |
131 | /* | |
132 | * Now scan all of the directories into separate databases | |
133 | * and write out the results | |
134 | */ | |
db50cbda | 135 | while ((dir = FcStrListNext (list))) |
179c3995 KP |
136 | { |
137 | if (verbose) | |
138 | { | |
bc5e487f | 139 | printf ("%s: ", dir); |
179c3995 KP |
140 | fflush (stdout); |
141 | } | |
275cf6cd PL |
142 | |
143 | if (!dir) | |
144 | { | |
145 | if (verbose) | |
146 | printf ("skipping, no such directory\n"); | |
147 | continue; | |
148 | } | |
149 | ||
660acf8f PL |
150 | if (FcStrSetMember (processed_dirs, dir)) |
151 | { | |
152 | if (verbose) | |
153 | printf ("skipping, looped directory detected\n"); | |
154 | continue; | |
155 | } | |
275cf6cd | 156 | |
e12f718f | 157 | if (stat ((char *) dir, &statb) == -1) |
0c35c0fa | 158 | { |
565a919e KP |
159 | switch (errno) { |
160 | case ENOENT: | |
161 | case ENOTDIR: | |
5d43e799 | 162 | if (verbose) |
565a919e | 163 | printf ("skipping, no such directory\n"); |
565a919e KP |
164 | break; |
165 | default: | |
0c35c0fa KP |
166 | fprintf (stderr, "\"%s\": ", dir); |
167 | perror (""); | |
168 | ret++; | |
e12f718f | 169 | break; |
0c35c0fa | 170 | } |
565a919e KP |
171 | continue; |
172 | } | |
e12f718f | 173 | |
0c35c0fa KP |
174 | if (!S_ISDIR (statb.st_mode)) |
175 | { | |
176 | fprintf (stderr, "\"%s\": not a directory, skipping\n", dir); | |
177 | continue; | |
178 | } | |
d2c01029 PL |
179 | |
180 | if (really_force) | |
181 | FcDirCacheUnlink (dir, config); | |
182 | ||
bc5e487f KP |
183 | cache = NULL; |
184 | was_valid = FcFalse; | |
185 | if (!force) { | |
186 | cache = FcDirCacheLoad (dir, config, NULL); | |
187 | if (cache) | |
188 | was_valid = FcTrue; | |
189 | } | |
2d3387fd | 190 | |
bc5e487f | 191 | if (!cache) |
179c3995 | 192 | { |
111e5b6d | 193 | (*changed)++; |
bc5e487f KP |
194 | cache = FcDirCacheRead (dir, FcTrue, config); |
195 | if (!cache) | |
196 | { | |
197 | fprintf (stderr, "%s: error scanning\n", dir); | |
198 | ret++; | |
199 | continue; | |
200 | } | |
179c3995 | 201 | } |
bc5e487f | 202 | |
bc5e487f | 203 | if (was_valid) |
179c3995 KP |
204 | { |
205 | if (verbose) | |
50124d1e | 206 | printf ("skipping, existing cache is valid: %d fonts, %d dirs\n", |
4984242e | 207 | FcCacheNumFont (cache), FcCacheNumSubdir (cache)); |
179c3995 KP |
208 | } |
209 | else | |
210 | { | |
211 | if (verbose) | |
50124d1e | 212 | printf ("caching, new cache contents: %d fonts, %d dirs\n", |
4984242e | 213 | FcCacheNumFont (cache), FcCacheNumSubdir (cache)); |
4262e0b3 | 214 | |
f57783d2 | 215 | if (!FcDirCacheValid (dir)) |
179c3995 | 216 | { |
2d3387fd KP |
217 | fprintf (stderr, "%s: failed to write cache\n", dir); |
218 | (void) FcDirCacheUnlink (dir, config); | |
179c3995 KP |
219 | ret++; |
220 | } | |
221 | } | |
bc5e487f KP |
222 | |
223 | subdirs = FcStrSetCreate (); | |
224 | if (!subdirs) | |
225 | { | |
226 | fprintf (stderr, "%s: Can't create subdir set\n", dir); | |
227 | ret++; | |
228 | FcDirCacheUnload (cache); | |
229 | continue; | |
230 | } | |
4984242e | 231 | for (i = 0; i < FcCacheNumSubdir (cache); i++) |
bc5e487f KP |
232 | FcStrSetAdd (subdirs, FcCacheSubdir (cache, i)); |
233 | ||
234 | FcDirCacheUnload (cache); | |
235 | ||
179c3995 | 236 | sublist = FcStrListCreate (subdirs); |
5c1853cd | 237 | FcStrSetDestroy (subdirs); |
179c3995 KP |
238 | if (!sublist) |
239 | { | |
2d3387fd | 240 | fprintf (stderr, "%s: Can't create subdir list\n", dir); |
179c3995 KP |
241 | ret++; |
242 | continue; | |
243 | } | |
660acf8f | 244 | FcStrSetAdd (processed_dirs, dir); |
111e5b6d | 245 | ret += scanDirs (sublist, config, force, really_force, verbose, changed); |
179c3995 KP |
246 | } |
247 | FcStrListDone (list); | |
248 | return ret; | |
249 | } | |
250 | ||
d8ab9e6c KP |
251 | static FcBool |
252 | cleanCacheDirectory (FcConfig *config, FcChar8 *dir, FcBool verbose) | |
253 | { | |
254 | DIR *d; | |
255 | struct dirent *ent; | |
b190ad9d | 256 | FcChar8 *dir_base; |
d8ab9e6c KP |
257 | FcBool ret = FcTrue; |
258 | FcBool remove; | |
259 | FcCache *cache; | |
d8ab9e6c KP |
260 | struct stat target_stat; |
261 | ||
b190ad9d | 262 | dir_base = FcStrPlus (dir, (FcChar8 *) "/"); |
1741499e KP |
263 | if (!dir_base) |
264 | { | |
265 | fprintf (stderr, "%s: out of memory\n", dir); | |
266 | return FcFalse; | |
267 | } | |
23848903 | 268 | if (access ((char *) dir, W_OK) != 0) |
d8ab9e6c KP |
269 | { |
270 | if (verbose) | |
2b0d3d8a KP |
271 | printf ("%s: not cleaning %s cache directory\n", dir, |
272 | access ((char *) dir, F_OK) == 0 ? "unwritable" : "non-existent"); | |
1741499e | 273 | FcStrFree (dir_base); |
d8ab9e6c KP |
274 | return FcTrue; |
275 | } | |
bc5e487f KP |
276 | if (verbose) |
277 | printf ("%s: cleaning cache directory\n", dir); | |
b190ad9d | 278 | d = opendir ((char *) dir); |
d8ab9e6c KP |
279 | if (!d) |
280 | { | |
b190ad9d | 281 | perror ((char *) dir); |
1741499e | 282 | FcStrFree (dir_base); |
d8ab9e6c KP |
283 | return FcFalse; |
284 | } | |
285 | while ((ent = readdir (d))) | |
286 | { | |
287 | FcChar8 *file_name; | |
4984242e | 288 | const FcChar8 *target_dir; |
d8ab9e6c KP |
289 | |
290 | if (ent->d_name[0] == '.') | |
291 | continue; | |
0334e5a2 MF |
292 | /* skip cache files for different architectures and */ |
293 | /* files which are not cache files at all */ | |
294 | if (strlen(ent->d_name) != 32 + strlen ("-" FC_ARCHITECTURE FC_CACHE_SUFFIX) || | |
295 | strcmp(ent->d_name + 32, "-" FC_ARCHITECTURE FC_CACHE_SUFFIX)) | |
296 | continue; | |
297 | ||
b190ad9d | 298 | file_name = FcStrPlus (dir_base, (FcChar8 *) ent->d_name); |
d8ab9e6c KP |
299 | if (!file_name) |
300 | { | |
301 | fprintf (stderr, "%s: allocation failure\n", dir); | |
302 | ret = FcFalse; | |
303 | break; | |
304 | } | |
2a3e3c44 | 305 | remove = FcFalse; |
9b84ecff | 306 | cache = FcDirCacheLoadFile (file_name, NULL); |
d8ab9e6c | 307 | if (!cache) |
d8ab9e6c KP |
308 | { |
309 | if (verbose) | |
2a3e3c44 | 310 | printf ("%s: invalid cache file: %s\n", dir, ent->d_name); |
d8ab9e6c KP |
311 | remove = FcTrue; |
312 | } | |
2a3e3c44 | 313 | else |
d8ab9e6c | 314 | { |
2a3e3c44 KP |
315 | target_dir = FcCacheDir (cache); |
316 | if (stat ((char *) target_dir, &target_stat) < 0) | |
317 | { | |
318 | if (verbose) | |
319 | printf ("%s: %s: missing directory: %s \n", | |
320 | dir, ent->d_name, target_dir); | |
2a3e3c44 KP |
321 | remove = FcTrue; |
322 | } | |
d8ab9e6c KP |
323 | } |
324 | if (remove) | |
325 | { | |
b190ad9d | 326 | if (unlink ((char *) file_name) < 0) |
d8ab9e6c | 327 | { |
b190ad9d | 328 | perror ((char *) file_name); |
d8ab9e6c KP |
329 | ret = FcFalse; |
330 | } | |
331 | } | |
1741499e | 332 | FcDirCacheUnload (cache); |
d8ab9e6c KP |
333 | FcStrFree (file_name); |
334 | } | |
335 | ||
336 | closedir (d); | |
1741499e | 337 | FcStrFree (dir_base); |
d8ab9e6c KP |
338 | return ret; |
339 | } | |
340 | ||
341 | static FcBool | |
342 | cleanCacheDirectories (FcConfig *config, FcBool verbose) | |
343 | { | |
344 | FcStrList *cache_dirs = FcConfigGetCacheDirs (config); | |
345 | FcChar8 *cache_dir; | |
346 | FcBool ret = FcTrue; | |
347 | ||
348 | if (!cache_dirs) | |
349 | return FcFalse; | |
350 | while ((cache_dir = FcStrListNext (cache_dirs))) | |
351 | { | |
352 | if (!cleanCacheDirectory (config, cache_dir, verbose)) | |
353 | { | |
354 | ret = FcFalse; | |
355 | break; | |
356 | } | |
357 | } | |
358 | FcStrListDone (cache_dirs); | |
359 | return ret; | |
360 | } | |
361 | ||
179c3995 KP |
362 | int |
363 | main (int argc, char **argv) | |
364 | { | |
365 | FcStrSet *dirs; | |
366 | FcStrList *list; | |
367 | FcBool verbose = FcFalse; | |
368 | FcBool force = FcFalse; | |
d2c01029 | 369 | FcBool really_force = FcFalse; |
ff3f1f98 | 370 | FcBool systemOnly = FcFalse; |
179c3995 | 371 | FcConfig *config; |
24330d27 | 372 | int i; |
111e5b6d | 373 | int changed; |
179c3995 | 374 | int ret; |
24330d27 KP |
375 | #if HAVE_GETOPT_LONG || HAVE_GETOPT |
376 | int c; | |
377 | ||
378 | #if HAVE_GETOPT_LONG | |
1439c8f2 | 379 | while ((c = getopt_long (argc, argv, "frsVvh", longopts, NULL)) != -1) |
24330d27 | 380 | #else |
1439c8f2 | 381 | while ((c = getopt (argc, argv, "frsVvh")) != -1) |
24330d27 KP |
382 | #endif |
383 | { | |
384 | switch (c) { | |
d2c01029 PL |
385 | case 'r': |
386 | really_force = FcTrue; | |
387 | /* fall through */ | |
179c3995 KP |
388 | case 'f': |
389 | force = FcTrue; | |
390 | break; | |
ff3f1f98 KP |
391 | case 's': |
392 | systemOnly = FcTrue; | |
393 | break; | |
24330d27 KP |
394 | case 'V': |
395 | fprintf (stderr, "fontconfig version %d.%d.%d\n", | |
396 | FC_MAJOR, FC_MINOR, FC_REVISION); | |
397 | exit (0); | |
398 | case 'v': | |
179c3995 | 399 | verbose = FcTrue; |
24330d27 | 400 | break; |
1439c8f2 BE |
401 | case 'h': |
402 | usage (argv[0], 0); | |
24330d27 | 403 | default: |
1439c8f2 | 404 | usage (argv[0], 1); |
24330d27 KP |
405 | } |
406 | } | |
407 | i = optind; | |
408 | #else | |
409 | i = 1; | |
410 | #endif | |
411 | ||
ff3f1f98 KP |
412 | if (systemOnly) |
413 | FcConfigEnableHome (FcFalse); | |
5e678e94 | 414 | config = FcInitLoadConfig (); |
179c3995 | 415 | if (!config) |
24330d27 | 416 | { |
179c3995 | 417 | fprintf (stderr, "%s: Can't init font config library\n", argv[0]); |
24330d27 KP |
418 | return 1; |
419 | } | |
df3efc11 | 420 | FcConfigSetCurrent (config); |
212c9f43 | 421 | |
24330d27 | 422 | if (argv[i]) |
24330d27 | 423 | { |
179c3995 KP |
424 | dirs = FcStrSetCreate (); |
425 | if (!dirs) | |
24330d27 | 426 | { |
179c3995 KP |
427 | fprintf (stderr, "%s: Can't create list of directories\n", |
428 | argv[0]); | |
429 | return 1; | |
24330d27 | 430 | } |
179c3995 | 431 | while (argv[i]) |
24330d27 | 432 | { |
9b511b29 | 433 | if (!FcStrSetAddFilename (dirs, (FcChar8 *) argv[i])) |
24330d27 | 434 | { |
179c3995 KP |
435 | fprintf (stderr, "%s: Can't add directory\n", argv[0]); |
436 | return 1; | |
24330d27 | 437 | } |
179c3995 | 438 | i++; |
24330d27 | 439 | } |
179c3995 KP |
440 | list = FcStrListCreate (dirs); |
441 | FcStrSetDestroy (dirs); | |
24330d27 | 442 | } |
179c3995 KP |
443 | else |
444 | list = FcConfigGetConfigDirs (config); | |
660acf8f PL |
445 | |
446 | if ((processed_dirs = FcStrSetCreate()) == NULL) { | |
447 | fprintf(stderr, "Cannot malloc\n"); | |
448 | return 1; | |
449 | } | |
450 | ||
111e5b6d BE |
451 | changed = 0; |
452 | ret = scanDirs (list, config, force, really_force, verbose, &changed); | |
660acf8f PL |
453 | |
454 | FcStrSetDestroy (processed_dirs); | |
455 | ||
d8ab9e6c KP |
456 | cleanCacheDirectories (config, verbose); |
457 | ||
54560b01 KP |
458 | /* |
459 | * Now we need to sleep a second (or two, to be extra sure), to make | |
460 | * sure that timestamps for changes after this run of fc-cache are later | |
461 | * then any timestamps we wrote. We don't use gettimeofday() because | |
462 | * sleep(3) can't be interrupted by a signal here -- this isn't in the | |
463 | * library, and there aren't any signals flying around here. | |
464 | */ | |
716ac8b8 | 465 | FcConfigDestroy (config); |
c6c9400d | 466 | FcFini (); |
111e5b6d BE |
467 | if (changed) |
468 | sleep (2); | |
24330d27 KP |
469 | if (verbose) |
470 | printf ("%s: %s\n", argv[0], ret ? "failed" : "succeeded"); | |
471 | return ret; | |
472 | } |