/*
- * $RCSId: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.8tsi Exp $
+ * fontconfig/fc-cache/fc-cache.c
*
* Copyright © 2002 Keith Packard
*
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
+ * documentation, and that the name of the author(s) not be used in
* advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
+ * specific, written prior permission. The authors make no
* representations about the suitability of this software for any purpose. It
* is provided "as is" without express or implied warranty.
*
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
+ * EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
+#include "../src/fcarch.h"
+
#ifdef HAVE_CONFIG_H
#include <config.h>
#else
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
+#include <fcntl.h>
+#include <dirent.h>
+#include <string.h>
#if defined (_WIN32)
#define STRICT
#undef STRICT
#endif
+#ifndef O_BINARY
+#define O_BINARY 0
+#endif
+
#ifndef HAVE_GETOPT
#define HAVE_GETOPT 0
#endif
{"system-only", 0, 0, 's'},
{"version", 0, 0, 'V'},
{"verbose", 0, 0, 'v'},
- {"help", 0, 0, '?'},
+ {"help", 0, 0, 'h'},
{NULL,0,0,0},
};
#else
#endif
static void
-usage (char *program)
+usage (char *program, int error)
{
+ FILE *file = error ? stderr : stdout;
#if HAVE_GETOPT_LONG
- fprintf (stderr, "usage: %s [-frsvV?] [--force|--really-force] [--system-only] [--verbose] [--version] [--help] [dirs]\n",
+ fprintf (file, "usage: %s [-frsvVh] [--force|--really-force] [--system-only] [--verbose] [--version] [--help] [dirs]\n",
program);
#else
- fprintf (stderr, "usage: %s [-frsvV?] [dirs]\n",
+ fprintf (file, "usage: %s [-frsvVh] [dirs]\n",
program);
#endif
- fprintf (stderr, "Build font information caches in [dirs]\n"
+ fprintf (file, "Build font information caches in [dirs]\n"
"(all directories in font configuration by default).\n");
- fprintf (stderr, "\n");
+ fprintf (file, "\n");
#if HAVE_GETOPT_LONG
- fprintf (stderr, " -f, --force scan directories with apparently valid caches\n");
- fprintf (stderr, " -r, --really-force erase all existing caches, then rescan\n");
- fprintf (stderr, " -s, --system-only scan system-wide directories only\n");
- fprintf (stderr, " -v, --verbose display status information while busy\n");
- fprintf (stderr, " -V, --version display font config version and exit\n");
- fprintf (stderr, " -?, --help display this help and exit\n");
+ fprintf (file, " -f, --force scan directories with apparently valid caches\n");
+ fprintf (file, " -r, --really-force erase all existing caches, then rescan\n");
+ fprintf (file, " -s, --system-only scan system-wide directories only\n");
+ fprintf (file, " -v, --verbose display status information while busy\n");
+ fprintf (file, " -V, --version display font config version and exit\n");
+ fprintf (file, " -h, --help display this help and exit\n");
#else
- fprintf (stderr, " -f (force) scan directories with apparently valid caches\n");
- fprintf (stderr, " -r, (really force) erase all existing caches, then rescan\n");
- fprintf (stderr, " -s (system) scan system-wide directories only\n");
- fprintf (stderr, " -v (verbose) display status information while busy\n");
- fprintf (stderr, " -V (version) display font config version and exit\n");
- fprintf (stderr, " -? (help) display this help and exit\n");
+ fprintf (file, " -f (force) scan directories with apparently valid caches\n");
+ fprintf (file, " -r, (really force) erase all existing caches, then rescan\n");
+ fprintf (file, " -s (system) scan system-wide directories only\n");
+ fprintf (file, " -v (verbose) display status information while busy\n");
+ fprintf (file, " -V (version) display font config version and exit\n");
+ fprintf (file, " -h (help) display this help and exit\n");
#endif
- exit (1);
+ exit (error);
}
static FcStrSet *processed_dirs;
static int
-nsubdirs (FcStrSet *set)
+scanDirs (FcStrList *list, FcConfig *config, FcBool force, FcBool really_force, FcBool verbose, int *changed)
{
- FcStrList *list;
- int n = 0;
-
- list = FcStrListCreate (set);
- if (!list)
- return 0;
- while (FcStrListNext (list))
- n++;
- FcStrListDone (list);
- return n;
-}
-
-static int
-scanDirs (FcStrList *list, FcConfig *config, char *program, FcBool force, FcBool really_force, FcBool verbose)
-{
- int ret = 0;
- const FcChar8 *dir;
- const FcChar8 *dir_orig;
- FcFontSet *set;
- FcStrSet *subdirs;
- FcStrList *sublist;
- struct stat statb;
+ int ret = 0;
+ const FcChar8 *dir;
+ FcStrSet *subdirs;
+ FcStrList *sublist;
+ FcCache *cache;
+ struct stat statb;
+ FcBool was_valid;
+ int i;
/*
* Now scan all of the directories into separate databases
* and write out the results
*/
- while ((dir_orig = FcStrListNext (list)))
+ while ((dir = FcStrListNext (list)))
{
- dir = FcConfigNormalizeFontDir (config, dir_orig);
-
if (verbose)
{
- printf ("%s: \"%s\": ", program, dir ? dir : dir_orig);
+ printf ("%s: ", dir);
fflush (stdout);
}
continue;
}
- set = FcFontSetCreate ();
- if (!set)
- {
- fprintf (stderr, "Can't create font set\n");
- ret++;
- continue;
- }
- subdirs = FcStrSetCreate ();
- if (!subdirs)
- {
- fprintf (stderr, "Can't create directory set\n");
- ret++;
- FcFontSetDestroy (set);
- continue;
- }
-
- if (access ((char *) dir, W_OK) < 0)
+ if (stat ((char *) dir, &statb) == -1)
{
switch (errno) {
case ENOENT:
case ENOTDIR:
if (verbose)
printf ("skipping, no such directory\n");
- FcFontSetDestroy (set);
- FcStrSetDestroy (subdirs);
- continue;
- case EACCES:
- case EROFS:
- /* That's ok, caches go to /var anyway. */
- /* Ideally we'd do an access on the hashed_name. */
- /* But we hid that behind an abstraction barrier. */
break;
default:
fprintf (stderr, "\"%s\": ", dir);
perror ("");
ret++;
-
- FcFontSetDestroy (set);
- FcStrSetDestroy (subdirs);
- continue;
+ break;
}
- }
- if (stat ((char *) dir, &statb) == -1)
- {
- fprintf (stderr, "\"%s\": ", dir);
- perror ("");
- FcFontSetDestroy (set);
- FcStrSetDestroy (subdirs);
- ret++;
continue;
}
+
if (!S_ISDIR (statb.st_mode))
{
fprintf (stderr, "\"%s\": not a directory, skipping\n", dir);
- FcFontSetDestroy (set);
- FcStrSetDestroy (subdirs);
continue;
}
if (really_force)
FcDirCacheUnlink (dir, config);
- if (!FcDirScanConfig (set, subdirs, 0, FcConfigGetBlanks (config), dir, force, config))
+ cache = NULL;
+ was_valid = FcFalse;
+ if (!force) {
+ cache = FcDirCacheLoad (dir, config, NULL);
+ if (cache)
+ was_valid = FcTrue;
+ }
+
+ if (!cache)
{
- fprintf (stderr, "\"%s\": error scanning\n", dir);
- FcFontSetDestroy (set);
- FcStrSetDestroy (subdirs);
- ret++;
- continue;
+ (*changed)++;
+ cache = FcDirCacheRead (dir, FcTrue, config);
+ if (!cache)
+ {
+ fprintf (stderr, "%s: error scanning\n", dir);
+ ret++;
+ continue;
+ }
}
- if (!force && FcDirCacheValid (dir, config) &&
- FcDirCacheHasCurrentArch (dir, config))
+
+ if (was_valid)
{
if (verbose)
- printf ("skipping, %d fonts, %d dirs\n",
- set->nfont, nsubdirs(subdirs));
+ printf ("skipping, existing cache is valid: %d fonts, %d dirs\n",
+ FcCacheNumFont (cache), FcCacheNumSubdir (cache));
}
else
{
if (verbose)
- printf ("caching, %d fonts, %d dirs\n",
- set->nfont, nsubdirs (subdirs));
-
- /* This is the only reason we can't combine
- * Valid w/HasCurrentArch... */
- if (!FcDirCacheValid (dir, config))
- if (!FcDirCacheUnlink (dir, config))
- ret++;
+ printf ("caching, new cache contents: %d fonts, %d dirs\n",
+ FcCacheNumFont (cache), FcCacheNumSubdir (cache));
- if (!FcDirSave (set, subdirs, dir))
+ if (!FcDirCacheValid (dir))
{
- fprintf (stderr, "Can't save cache for \"%s\"\n", dir);
+ fprintf (stderr, "%s: failed to write cache\n", dir);
+ (void) FcDirCacheUnlink (dir, config);
ret++;
}
}
- FcFontSetDestroy (set);
+
+ subdirs = FcStrSetCreate ();
+ if (!subdirs)
+ {
+ fprintf (stderr, "%s: Can't create subdir set\n", dir);
+ ret++;
+ FcDirCacheUnload (cache);
+ continue;
+ }
+ for (i = 0; i < FcCacheNumSubdir (cache); i++)
+ FcStrSetAdd (subdirs, FcCacheSubdir (cache, i));
+
+ FcDirCacheUnload (cache);
+
sublist = FcStrListCreate (subdirs);
FcStrSetDestroy (subdirs);
if (!sublist)
{
- fprintf (stderr, "Can't create subdir list in \"%s\"\n", dir);
+ fprintf (stderr, "%s: Can't create subdir list\n", dir);
ret++;
continue;
}
FcStrSetAdd (processed_dirs, dir);
- ret += scanDirs (sublist, config, program, force, really_force, verbose);
+ ret += scanDirs (sublist, config, force, really_force, verbose, changed);
}
FcStrListDone (list);
return ret;
}
+static FcBool
+cleanCacheDirectory (FcConfig *config, FcChar8 *dir, FcBool verbose)
+{
+ DIR *d;
+ struct dirent *ent;
+ FcChar8 *dir_base;
+ FcBool ret = FcTrue;
+ FcBool remove;
+ FcCache *cache;
+ struct stat target_stat;
+
+ dir_base = FcStrPlus (dir, (FcChar8 *) "/");
+ if (!dir_base)
+ {
+ fprintf (stderr, "%s: out of memory\n", dir);
+ return FcFalse;
+ }
+ if (access ((char *) dir, W_OK) != 0)
+ {
+ if (verbose)
+ printf ("%s: not cleaning %s cache directory\n", dir,
+ access ((char *) dir, F_OK) == 0 ? "unwritable" : "non-existent");
+ FcStrFree (dir_base);
+ return FcTrue;
+ }
+ if (verbose)
+ printf ("%s: cleaning cache directory\n", dir);
+ d = opendir ((char *) dir);
+ if (!d)
+ {
+ perror ((char *) dir);
+ FcStrFree (dir_base);
+ return FcFalse;
+ }
+ while ((ent = readdir (d)))
+ {
+ FcChar8 *file_name;
+ const FcChar8 *target_dir;
+
+ if (ent->d_name[0] == '.')
+ continue;
+ /* skip cache files for different architectures and */
+ /* files which are not cache files at all */
+ if (strlen(ent->d_name) != 32 + strlen ("-" FC_ARCHITECTURE FC_CACHE_SUFFIX) ||
+ strcmp(ent->d_name + 32, "-" FC_ARCHITECTURE FC_CACHE_SUFFIX))
+ continue;
+
+ file_name = FcStrPlus (dir_base, (FcChar8 *) ent->d_name);
+ if (!file_name)
+ {
+ fprintf (stderr, "%s: allocation failure\n", dir);
+ ret = FcFalse;
+ break;
+ }
+ remove = FcFalse;
+ cache = FcDirCacheLoadFile (file_name, NULL);
+ if (!cache)
+ {
+ if (verbose)
+ printf ("%s: invalid cache file: %s\n", dir, ent->d_name);
+ remove = FcTrue;
+ }
+ else
+ {
+ target_dir = FcCacheDir (cache);
+ if (stat ((char *) target_dir, &target_stat) < 0)
+ {
+ if (verbose)
+ printf ("%s: %s: missing directory: %s \n",
+ dir, ent->d_name, target_dir);
+ remove = FcTrue;
+ }
+ }
+ if (remove)
+ {
+ if (unlink ((char *) file_name) < 0)
+ {
+ perror ((char *) file_name);
+ ret = FcFalse;
+ }
+ }
+ FcDirCacheUnload (cache);
+ FcStrFree (file_name);
+ }
+
+ closedir (d);
+ FcStrFree (dir_base);
+ return ret;
+}
+
+static FcBool
+cleanCacheDirectories (FcConfig *config, FcBool verbose)
+{
+ FcStrList *cache_dirs = FcConfigGetCacheDirs (config);
+ FcChar8 *cache_dir;
+ FcBool ret = FcTrue;
+
+ if (!cache_dirs)
+ return FcFalse;
+ while ((cache_dir = FcStrListNext (cache_dirs)))
+ {
+ if (!cleanCacheDirectory (config, cache_dir, verbose))
+ {
+ ret = FcFalse;
+ break;
+ }
+ }
+ FcStrListDone (cache_dirs);
+ return ret;
+}
+
int
main (int argc, char **argv)
{
FcBool systemOnly = FcFalse;
FcConfig *config;
int i;
+ int changed;
int ret;
#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
#if HAVE_GETOPT_LONG
- while ((c = getopt_long (argc, argv, "frsVv?", longopts, NULL)) != -1)
+ while ((c = getopt_long (argc, argv, "frsVvh", longopts, NULL)) != -1)
#else
- while ((c = getopt (argc, argv, "frsVv?")) != -1)
+ while ((c = getopt (argc, argv, "frsVvh")) != -1)
#endif
{
switch (c) {
case 'v':
verbose = FcTrue;
break;
+ case 'h':
+ usage (argv[0], 0);
default:
- usage (argv[0]);
+ usage (argv[0], 1);
}
}
i = optind;
}
while (argv[i])
{
- if (!FcStrSetAdd (dirs, (FcChar8 *) argv[i]))
+ if (!FcStrSetAddFilename (dirs, (FcChar8 *) argv[i]))
{
fprintf (stderr, "%s: Can't add directory\n", argv[0]);
return 1;
return 1;
}
- ret = scanDirs (list, config, argv[0], force, really_force, verbose);
+ changed = 0;
+ ret = scanDirs (list, config, force, really_force, verbose, &changed);
FcStrSetDestroy (processed_dirs);
+ cleanCacheDirectories (config, verbose);
+
/*
* Now we need to sleep a second (or two, to be extra sure), to make
* sure that timestamps for changes after this run of fc-cache are later
* library, and there aren't any signals flying around here.
*/
FcConfigDestroy (config);
- sleep (2);
+ FcFini ();
+ if (changed)
+ sleep (2);
if (verbose)
printf ("%s: %s\n", argv[0], ret ? "failed" : "succeeded");
return ret;