fontconfig/fc-cache/fc-cache.c

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/*
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* $RCSId: xc/lib/fontconfig/fc-cache/fc-cache.c,v 1.8tsi Exp $
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*
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* Copyright <EFBFBD> 2002 Keith Packard
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*
* Permission to use, copy, modify, distribute, and sell this software and its
* 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
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. Keith Packard makes 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,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL KEITH PACKARD 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 <fontconfig/fontconfig.h>
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
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#ifdef HAVE_CONFIG_H
#include <config.h>
#else
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#ifdef linux
#define HAVE_GETOPT_LONG 1
#endif
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#define HAVE_GETOPT 1
#endif
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#ifndef HAVE_GETOPT
#define HAVE_GETOPT 0
#endif
#ifndef HAVE_GETOPT_LONG
#define HAVE_GETOPT_LONG 0
#endif
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#if HAVE_GETOPT_LONG
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#undef _GNU_SOURCE
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#define _GNU_SOURCE
#include <getopt.h>
const struct option longopts[] = {
{"force", 0, 0, 'f'},
{"system-only", 0, 0, 's'},
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{"version", 0, 0, 'V'},
{"verbose", 0, 0, 'v'},
{"help", 0, 0, '?'},
{NULL,0,0,0},
};
#else
#if HAVE_GETOPT
extern char *optarg;
extern int optind, opterr, optopt;
#endif
#endif
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static void
usage (char *program)
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{
fprintf (stderr, "usage: %s [-fvV?] [--force] [--verbose] [--version] [--help] [dirs]\n",
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program);
fprintf (stderr, "Build font information caches in [dirs]\n"
"(all directories in font configuration by default).\n");
fprintf (stderr, "\n");
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fprintf (stderr, " -f, --force scan directories with apparently valid caches\n");
fprintf (stderr, " -s, --system-only scan system-wide directories only\n");
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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");
exit (1);
}
static int
nsubdirs (FcStrSet *set)
{
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 verbose)
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{
int ret = 0;
FcChar8 *dir;
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FcFontSet *set;
FcStrSet *subdirs;
FcStrList *sublist;
struct stat statb;
/*
* Now scan all of the directories into separate databases
* and write out the results
*/
while ((dir = FcStrListNext (list)))
{
if (verbose)
{
printf ("%s: \"%s\": ", program, dir);
fflush (stdout);
}
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++;
continue;
}
if (access ((char *) dir, W_OK) < 0)
{
switch (errno) {
case ENOENT:
case ENOTDIR:
if (verbose)
printf ("skipping, no such directory\n");
break;
case EACCES:
case EROFS:
if (verbose)
printf ("skipping, no write access\n");
break;
default:
fprintf (stderr, "\"%s\": ", dir);
perror ("");
ret++;
}
continue;
}
if (stat ((char *) dir, &statb) == -1)
{
fprintf (stderr, "\"%s\": ", dir);
perror ("");
ret++;
continue;
}
if (!S_ISDIR (statb.st_mode))
{
fprintf (stderr, "\"%s\": not a directory, skipping\n", dir);
continue;
}
if (!FcDirScan (set, subdirs, 0, FcConfigGetBlanks (config), dir, force))
{
fprintf (stderr, "\"%s\": error scanning\n", dir);
ret++;
continue;
}
if (!force && FcDirCacheValid (dir))
{
if (verbose)
printf ("skipping, %d fonts, %d dirs\n",
set->nfont, nsubdirs(subdirs));
}
else
{
if (verbose)
printf ("caching, %d fonts, %d dirs\n",
set->nfont, nsubdirs (subdirs));
if (!FcDirSave (set, subdirs, dir))
{
fprintf (stderr, "Can't save cache in \"%s\"\n", dir);
ret++;
}
}
FcFontSetDestroy (set);
sublist = FcStrListCreate (subdirs);
if (!sublist)
{
fprintf (stderr, "Can't create subdir list in \"%s\"\n", dir);
ret++;
continue;
}
ret += scanDirs (sublist, config, program, force, verbose);
FcStrSetDestroy (subdirs);
}
FcStrListDone (list);
return ret;
}
int
main (int argc, char **argv)
{
FcStrSet *dirs;
FcStrList *list;
FcBool verbose = FcFalse;
FcBool force = FcFalse;
FcBool systemOnly = FcFalse;
FcConfig *config;
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int i;
int ret;
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#if HAVE_GETOPT_LONG || HAVE_GETOPT
int c;
#if HAVE_GETOPT_LONG
while ((c = getopt_long (argc, argv, "fVv?", longopts, NULL)) != -1)
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#else
while ((c = getopt (argc, argv, "fVv?")) != -1)
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#endif
{
switch (c) {
case 'f':
force = FcTrue;
break;
case 's':
systemOnly = FcTrue;
break;
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case 'V':
fprintf (stderr, "fontconfig version %d.%d.%d\n",
FC_MAJOR, FC_MINOR, FC_REVISION);
exit (0);
case 'v':
verbose = FcTrue;
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break;
default:
usage (argv[0]);
}
}
i = optind;
#else
i = 1;
#endif
if (systemOnly)
FcConfigEnableHome (FcFalse);
config = FcInitLoadConfig ();
if (!config)
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{
fprintf (stderr, "%s: Can't init font config library\n", argv[0]);
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return 1;
}
if (argv[i])
{
dirs = FcStrSetCreate ();
if (!dirs)
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{
fprintf (stderr, "%s: Can't create list of directories\n",
argv[0]);
return 1;
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}
while (argv[i])
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{
if (!FcStrSetAdd (dirs, (FcChar8 *) argv[i]))
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{
fprintf (stderr, "%s: Can't add directory\n", argv[0]);
return 1;
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}
i++;
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}
list = FcStrListCreate (dirs);
FcStrSetDestroy (dirs);
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}
else
list = FcConfigGetConfigDirs (config);
ret = scanDirs (list, config, argv[0], force, verbose);
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if (verbose)
printf ("%s: %s\n", argv[0], ret ? "failed" : "succeeded");
return ret;
}