static FcBool
FcConfigAddDirList (FcConfig *config, FcSetName set, FcStrSet *dirSet)
{
FcStrList *dirlist;
FcChar8 *dir;
FcCache *cache;
FcBool ret = FcFalse;
dirlist = FcStrListCreate (dirSet);
if (!dirlist)
return FcFalse;
while ((dir = FcStrListNext (dirlist)))
{
if (FcDebug () & FC_DBG_FONTSET)
printf ("adding fonts from %s\n", dir);
cache = FcDirCacheRead (dir, FcFalse, config);
if (!cache)
continue;
FcConfigAddCache (config, cache, set, dirSet);
FcDirCacheUnload (cache);
ret = FcTrue;
}
FcStrListDone (dirlist);
return ret;
}
int
main (int argc, char **argv)
{
int i;
int ret = 0;
FcFontSet *fs;
FcStrSet *dirs;
FcStrSet *args = NULL;
FcStrList *arglist;
FcCache *cache;
FcConfig *config;
FcChar8 *arg;
int verbose = 0;
int recurse = 0;
FcBool first = FcTrue;
#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
#if HAVE_GETOPT_LONG
while ((c = getopt_long (argc, argv, "Vvrh", longopts, NULL)) != -1)
#else
while ((c = getopt (argc, argv, "Vvrh")) != -1)
#endif
{
switch (c) {
case 'V':
fprintf (stderr, "fontconfig version %d.%d.%d\n",
FC_MAJOR, FC_MINOR, FC_REVISION);
exit (0);
case 'v':
verbose++;
break;
case 'r':
recurse++;
break;
case 'h':
usage (argv[0], 0);
default:
usage (argv[0], 1);
}
}
i = optind;
#else
i = 1;
#endif
config = FcInitLoadConfig ();
if (!config)
{
fprintf (stderr, "%s: Can't init font config library\n", argv[0]);
return 1;
}
FcConfigSetCurrent (config);
args = FcStrSetCreate ();
if (!args)
{
fprintf (stderr, "%s: malloc failure\n", argv[0]);
return 1;
}
if (i < argc)
{
for (; i < argc; i++)
{
if (!FcStrSetAddFilename (args, (const FcChar8 *) argv[i]))
{
fprintf (stderr, "%s: malloc failure\n", argv[0]);
return 1;
}
}
arglist = FcStrListCreate (args);
if (!arglist)
{
fprintf (stderr, "%s: malloc failure\n", argv[0]);
return 1;
}
}
else
{
recurse++;
arglist = FcConfigGetFontDirs (config);
while ((arg = FcStrListNext (arglist)))
if (!FcStrSetAdd (args, arg))
{
fprintf (stderr, "%s: malloc failure\n", argv[0]);
return 1;
}
FcStrListDone (arglist);
}
arglist = FcStrListCreate (args);
if (!arglist)
{
fprintf (stderr, "%s: malloc failure\n", argv[0]);
return 1;
}
while ((arg = FcStrListNext (arglist)))
{
int j;
FcChar8 *cache_file = NULL;
struct stat file_stat;
if (FcFileIsDir (arg))
cache = FcDirCacheLoad (arg, config, &cache_file);
else
cache = FcDirCacheLoadFile (arg, &file_stat);
if (!cache)
{
perror ((char *) arg);
ret++;
continue;
}
dirs = FcStrSetCreate ();
fs = FcCacheCopySet (cache);
for (j = 0; j < FcCacheNumSubdir (cache); j++)
{
FcStrSetAdd (dirs, FcCacheSubdir (cache, j));
if (recurse)
FcStrSetAdd (args, FcCacheSubdir (cache, j));
}
if (verbose)
{
if (!first)
printf ("\n");
printf ("Directory: %s\nCache: %s\n--------\n",
FcCacheDir(cache), cache_file ? cache_file : arg);
first = FcFalse;
}
cache_print_set (fs, dirs, FcCacheDir (cache), verbose);
FcStrSetDestroy (dirs);
FcFontSetDestroy (fs);
FcDirCacheUnload (cache);
if (cache_file)
FcStrFree (cache_file);
}
FcFini ();
return 0;
}
static int
scanDirs (FcStrList *list, FcConfig *config, FcBool force, FcBool really_force, FcBool verbose, int *changed)
{
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 = FcStrListNext (list)))
{
if (verbose)
{
printf ("%s: ", dir);
fflush (stdout);
}
if (!dir)
{
if (verbose)
printf ("skipping, no such directory\n");
continue;
}
if (FcStrSetMember (processed_dirs, dir))
{
if (verbose)
printf ("skipping, looped directory detected\n");
continue;
}
if (stat ((char *) dir, &statb) == -1)
{
switch (errno) {
case ENOENT:
case ENOTDIR:
if (verbose)
printf ("skipping, no such directory\n");
break;
default:
fprintf (stderr, "\"%s\": ", dir);
perror ("");
ret++;
break;
}
continue;
}
if (!S_ISDIR (statb.st_mode))
{
fprintf (stderr, "\"%s\": not a directory, skipping\n", dir);
continue;
}
if (really_force)
FcDirCacheUnlink (dir, config);
cache = NULL;
was_valid = FcFalse;
if (!force) {
cache = FcDirCacheLoad (dir, config, NULL);
if (cache)
was_valid = FcTrue;
}
if (!cache)
{
(*changed)++;
cache = FcDirCacheRead (dir, FcTrue, config);
if (!cache)
{
fprintf (stderr, "%s: error scanning\n", dir);
ret++;
continue;
}
}
if (was_valid)
{
if (verbose)
printf ("skipping, existing cache is valid: %d fonts, %d dirs\n",
FcCacheNumFont (cache), FcCacheNumSubdir (cache));
}
else
{
if (verbose)
printf ("caching, new cache contents: %d fonts, %d dirs\n",
FcCacheNumFont (cache), FcCacheNumSubdir (cache));
if (!FcDirCacheValid (dir))
{
fprintf (stderr, "%s: failed to write cache\n", dir);
(void) FcDirCacheUnlink (dir, config);
ret++;
}
}
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, "%s: Can't create subdir list\n", dir);
ret++;
continue;
}
FcStrSetAdd (processed_dirs, dir);
ret += scanDirs (sublist, config, force, really_force, verbose, changed);
}
FcStrListDone (list);
return ret;
}
/*
* Map a cache file into memory
*/
static FcCache *
FcDirCacheMapFd (FcConfig *config, int fd, struct stat *fd_stat, struct stat *dir_stat)
{
FcCache *cache;
FcBool allocated = FcFalse;
if (fd_stat->st_size < (int) sizeof (FcCache))
return NULL;
cache = FcCacheFindByStat (fd_stat);
if (cache)
{
if (FcCacheTimeValid (config, cache, dir_stat) &&
FcCacheDirsValid (config, cache))
return cache;
FcDirCacheUnload (cache);
cache = NULL;
}
/*
* Large cache files are mmap'ed, smaller cache files are read. This
* balances the system cost of mmap against per-process memory usage.
*/
if (FcCacheIsMmapSafe (fd) && fd_stat->st_size >= FC_CACHE_MIN_MMAP)
{
#if defined(HAVE_MMAP) || defined(__CYGWIN__)
cache = mmap (0, fd_stat->st_size, PROT_READ, MAP_SHARED, fd, 0);
#if (HAVE_POSIX_FADVISE) && defined(POSIX_FADV_WILLNEED)
posix_fadvise (fd, 0, fd_stat->st_size, POSIX_FADV_WILLNEED);
#endif
if (cache == MAP_FAILED)
cache = NULL;
#elif defined(_WIN32)
{
HANDLE hFileMap;
cache = NULL;
hFileMap = CreateFileMapping((HANDLE) _get_osfhandle(fd), NULL,
PAGE_READONLY, 0, 0, NULL);
if (hFileMap != NULL)
{
cache = MapViewOfFile (hFileMap, FILE_MAP_READ, 0, 0,
fd_stat->st_size);
CloseHandle (hFileMap);
}
}
#endif
}
if (!cache)
{
cache = malloc (fd_stat->st_size);
if (!cache)
return NULL;
if (read (fd, cache, fd_stat->st_size) != fd_stat->st_size)
{
free (cache);
return NULL;
}
allocated = FcTrue;
}
if (cache->magic != FC_CACHE_MAGIC_MMAP ||
cache->version < FC_CACHE_VERSION_NUMBER ||
cache->size != (intptr_t) fd_stat->st_size ||
!FcCacheTimeValid (config, cache, dir_stat) ||
!FcCacheDirsValid (config, cache) ||
!FcCacheInsert (cache, fd_stat))
{
if (allocated)
free (cache);
else
{
#if defined(HAVE_MMAP) || defined(__CYGWIN__)
munmap (cache, fd_stat->st_size);
#elif defined(_WIN32)
UnmapViewOfFile (cache);
#endif
}
return NULL;
}
/* Mark allocated caches so they're freed rather than unmapped */
if (allocated)
cache->magic = FC_CACHE_MAGIC_ALLOC;
return cache;
}