/src/fontconfig/src/fcdir.c

Source
/*
 * fontconfig/src/fcdir.c
 *
 * Copyright © 2000 Keith Packard
 *
 * 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 the author(s) not be used in
 * advertising or publicity pertaining to distribution of the software without
 * 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.
 *
 * THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
 * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
 * 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 "fcint.h"

#ifdef HAVE_DIRENT_H
#  include <dirent.h>
#endif

#if ENABLE_FONTATIONS
#  include "fontconfig/fcfontations.h"
#endif

#if ENABLE_FREETYPE
#include "fontconfig/fcfreetype.h"
#endif

FcBool
FcFileIsDir (const FcChar8 *file)
{
    struct stat statb;

    if (FcStat (file, &statb) != 0)
  return FcFalse;
    return S_ISDIR (statb.st_mode);
}

FcBool
FcFileIsLink (const FcChar8 *file)
{
#if HAVE_LSTAT
    struct stat statb;

    if (lstat ((const char *)file, &statb) != 0)
  return FcFalse;
    return S_ISLNK (statb.st_mode);
#else
    return FcFalse;
#endif
}

FcBool
FcFileIsFile (const FcChar8 *file)
{
    struct stat statb;

    if (FcStat (file, &statb) != 0)
  return FcFalse;
    return S_ISREG (statb.st_mode);
}

static FcBool
FcFileScanFontConfig (FcFontSet     *set,
                      const FcChar8 *file,
                      FcConfig      *config)
{
    int            i;
    FcBool         ret = FcTrue;
    int            old_nfont = set->nfont;
    const FcChar8 *sysroot = FcConfigGetSysRoot (config);

    if (FcDebug() & FC_DBG_SCAN) {
  printf ("\tScanning file %s...", file);
  fflush (stdout);
    }

    unsigned int (*query_function) (const FcChar8 *, unsigned int, FcBlanks *, int *, FcFontSet *) =
#if ENABLE_FONTATIONS && !defined(ENABLE_FREETYPE)
    FcFontationsQueryAll;
#elif ENABLE_FREETYPE
    FcFreeTypeQueryAll;
#endif

#if ENABLE_FONTATIONS
    if (getenv ("FC_FONTATIONS")) {
  query_function = FcFontationsQueryAll;
    }
#endif
    if (!query_function (file, -1, NULL, NULL, set))
  return FcFalse;

    if (FcDebug() & FC_DBG_SCAN)
  printf ("done\n");

    for (i = old_nfont; i < set->nfont; i++) {
  FcPattern *font = set->fonts[i];

  /*
   * Get rid of sysroot here so that targeting scan rule may contains FC_FILE pattern
   * and they should usually expect without sysroot.
   */
  if (sysroot) {
      size_t   len = strlen ((const char *)sysroot);
      FcChar8 *f = NULL;

      if (FcPatternObjectGetString (font, FC_FILE_OBJECT, 0, &f) == FcResultMatch &&
          strncmp ((const char *)f, (const char *)sysroot, len) == 0) {
    FcChar8 *s = FcStrCopy (f);
    FcPatternObjectDel (font, FC_FILE_OBJECT);
    if (s[len] != '/')
        len--;
    else if (s[len + 1] == '/')
        len++;
    FcPatternObjectAddString (font, FC_FILE_OBJECT, &s[len]);
    FcStrFree (s);
      }
  }

  /*
   * Edit pattern with user-defined rules
   */
  if (config && !FcConfigSubstitute (config, font, FcMatchScan))
      ret = FcFalse;

  if (FcDebug() & FC_DBG_SCANV) {
      printf ("Final font pattern:\n");
      FcPatternPrint (font);
  }
    }

    return ret;
}

FcBool
FcFileScanConfig (FcFontSet     *set,
                  FcStrSet      *dirs,
                  const FcChar8 *file,
                  FcConfig      *config)
{
    if (FcFileIsDir (file)) {
  const FcChar8 *sysroot = FcConfigGetSysRoot (config);
  const FcChar8 *d = file;
  size_t         len;

  if (sysroot) {
      len = strlen ((const char *)sysroot);
      if (strncmp ((const char *)file, (const char *)sysroot, len) == 0) {
    if (file[len] != '/')
        len--;
    else if (file[len + 1] == '/')
        len++;
    d = &file[len];
      }
  }
  return FcStrSetAdd (dirs, d);
    } else {
  if (set)
      return FcFileScanFontConfig (set, file, config);
  else
      return FcTrue;
    }
}

FcBool
FcFileScan (FcFontSet     *set,
            FcStrSet      *dirs,
            FcFileCache   *cache FC_UNUSED,
            FcBlanks      *blanks FC_UNUSED,
            const FcChar8 *file,
            FcBool         force FC_UNUSED)
{
    FcConfig *config;
    FcBool    ret;

    config = FcConfigReference (NULL);
    if (!config)
  return FcFalse;
    ret = FcFileScanConfig (set, dirs, file, config);
    FcConfigDestroy (config);

    return ret;
}

/*
 * Strcmp helper that takes pointers to pointers, copied from qsort(3) manpage
 */
static int
cmpstringp (const void *p1, const void *p2)
{
    return strcmp (*(char **)p1, *(char **)p2);
}

FcBool
FcDirScanConfig (FcFontSet     *set,
                 FcStrSet      *dirs,
                 const FcChar8 *dir,
                 FcBool         force, /* XXX unused */
                 FcConfig      *config)
{
    DIR           *d;
    struct dirent *e;
    FcStrSet      *files;
    FcChar8       *file_prefix = NULL, *s_dir = NULL;
    FcChar8       *base;
    const FcChar8 *sysroot = FcConfigGetSysRoot (config);
    FcBool         ret = FcTrue;
    int            i;

    if (!force)
  return FcFalse;

    if (!set && !dirs)
  return FcTrue;

    if (sysroot)
  s_dir = FcStrBuildFilename (sysroot, dir, NULL);
    else
  s_dir = FcStrCopy (dir);
    if (!s_dir) {
  ret = FcFalse;
  goto bail;
    }

    /* freed below */
    file_prefix = (FcChar8 *)malloc (strlen ((char *)s_dir) + 1 + FC_MAX_FILE_LEN + 1);
    if (!file_prefix) {
  ret = FcFalse;
  goto bail;
    }
    strcpy ((char *)file_prefix, (char *)s_dir);
    strcat ((char *)file_prefix, FC_DIR_SEPARATOR_S);
    base = file_prefix + strlen ((char *)file_prefix);

    if (FcDebug() & FC_DBG_SCAN)
  printf ("\tScanning dir %s\n", s_dir);

    d = opendir ((char *)s_dir);
    if (!d) {
  /* Don't complain about missing directories */
  if (errno != ENOENT)
      ret = FcFalse;
  goto bail;
    }

    files = FcStrSetCreateEx (FCSS_ALLOW_DUPLICATES | FCSS_GROW_BY_64);
    if (!files) {
  ret = FcFalse;
  goto bail1;
    }
    while ((e = readdir (d))) {
  /* Ignore . and .. */
  if (e->d_name[0] == '.' &&
      (e->d_name[1] == 0 ||
       (e->d_name[1] == '.' && e->d_name[2] == 0)))
      continue;
  if (strlen (e->d_name) < FC_MAX_FILE_LEN) {
      strcpy ((char *)base, (char *)e->d_name);
      if (!FcStrSetAdd (files, file_prefix)) {
    ret = FcFalse;
    goto bail2;
      }
  }
    }

    /*
     * Sort files to make things prettier
     */
    if (files->num)
  qsort (files->strs, files->num, sizeof (FcChar8 *), cmpstringp);

    /*
     * Scan file files to build font patterns
     */
    for (i = 0; i < files->num; i++)
  FcFileScanConfig (set, dirs, files->strs[i], config);

bail2:
    FcStrSetDestroy (files);
bail1:
    closedir (d);
bail:
    if (s_dir)
  free (s_dir);
    if (file_prefix)
  free (file_prefix);

    return ret;
}

FcBool
FcDirScan (FcFontSet     *set,
           FcStrSet      *dirs,
           FcFileCache   *cache FC_UNUSED,
           FcBlanks      *blanks FC_UNUSED,
           const FcChar8 *dir,
           FcBool         force FC_UNUSED)
{
    FcConfig *config;
    FcBool    ret;

    if (cache || !force)
  return FcFalse;

    config = FcConfigReference (NULL);
    if (!config)
  return FcFalse;
    ret = FcDirScanConfig (set, dirs, dir, force, config);
    FcConfigDestroy (config);

    return ret;
}

/*
 * Scan the specified directory and construct a cache of its contents
 */
FcCache *
FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
{
    FcStrSet      *dirs;
    FcFontSet     *set;
    FcCache       *cache = NULL;
    struct stat    dir_stat;
    const FcChar8 *sysroot = FcConfigGetSysRoot (config);
    FcChar8       *d;
#ifndef _WIN32
    int fd = -1;
#endif

    if (sysroot)
  d = FcStrBuildFilename (sysroot, dir, NULL);
    else
  d = FcStrCopy (dir);

    if (FcDebug() & FC_DBG_FONTSET)
  printf ("cache scan dir %s\n", d);

    if (FcStatChecksum (d, &dir_stat) < 0)
  goto bail;

    set = FcFontSetCreate();
    if (!set)
  goto bail;

    dirs = FcStrSetCreateEx (FCSS_GROW_BY_64);
    if (!dirs)
  goto bail1;

#ifndef _WIN32
    fd = FcDirCacheLock (dir, config);
#endif
    /*
     * Scan the dir
     */
    /* Do not pass sysroot here. FcDirScanConfig() do take care of it */
    if (!FcDirScanConfig (set, dirs, dir, FcTrue, config))
  goto bail2;

    /*
     * Build the cache object
     */
    cache = FcDirCacheBuild (set, dir, &dir_stat, dirs);
    if (!cache)
  goto bail2;

    /*
     * Write out the cache file, ignoring any troubles
     */
    FcDirCacheWrite (cache, config);

bail2:
#ifndef _WIN32
    FcDirCacheUnlock (fd);
#endif
    FcStrSetDestroy (dirs);
bail1:
    FcFontSetDestroy (set);
bail:
    FcStrFree (d);

    return cache;
}

FcCache *
FcDirCacheRescan (const FcChar8 *dir, FcConfig *config)
{
    FcCache       *cache;
    FcCache       *newp = NULL;
    struct stat    dir_stat;
    FcStrSet      *dirs;
    const FcChar8 *sysroot;
    FcChar8       *d = NULL;
#ifndef _WIN32
    int fd = -1;
#endif

    config = FcConfigReference (config);
    if (!config)
  return NULL;
    sysroot = FcConfigGetSysRoot (config);
    cache = FcDirCacheLoad (dir, config, NULL);
    if (!cache)
  goto bail;

    if (sysroot)
  d = FcStrBuildFilename (sysroot, dir, NULL);
    else
  d = FcStrCopy (dir);
    if (FcStatChecksum (d, &dir_stat) < 0)
  goto bail;
    dirs = FcStrSetCreateEx (FCSS_GROW_BY_64);
    if (!dirs)
  goto bail;

#ifndef _WIN32
    fd = FcDirCacheLock (dir, config);
#endif
    /*
     * Scan the dir
     */
    /* Do not pass sysroot here. FcDirScanConfig() do take care of it */
    if (!FcDirScanConfig (NULL, dirs, dir, FcTrue, config))
  goto bail1;
    /*
     * Rebuild the cache object
     */
    newp = FcDirCacheRebuild (cache, &dir_stat, dirs);
    if (!newp)
  goto bail1;
    FcDirCacheUnload (cache);
    /*
     * Write out the cache file, ignoring any troubles
     */
    FcDirCacheWrite (newp, config);

bail1:
#ifndef _WIN32
    FcDirCacheUnlock (fd);
#endif
    FcStrSetDestroy (dirs);
bail:
    if (d)
  FcStrFree (d);
    FcConfigDestroy (config);

    return newp;
}

/*
 * Read (or construct) the cache for a directory
 */
FcCache *
FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config)
{
    FcCache *cache = NULL;

    config = FcConfigReference (config);
    /* Try to use existing cache file */
    if (!force)
  cache = FcDirCacheLoad (dir, config, NULL);

    /* Not using existing cache file, construct new cache */
    if (!cache) {
  FcDirCacheDeleteUUID (dir, config);
  cache = FcDirCacheScan (dir, config);
    }
    FcConfigDestroy (config);

    return cache;
}

FcBool
FcDirSave (FcFontSet *set FC_UNUSED, FcStrSet *dirs FC_UNUSED, const FcChar8 *dir FC_UNUSED)
{
    return FcFalse; /* XXX deprecated */
}
#define __fcdir__
#include "fcaliastail.h"
#undef __fcdir__

Coverage Report

Created: 2026-05-31 06:50

Line	Count	Source
1		/*
2		* fontconfig/src/fcdir.c
3		*
4		* Copyright © 2000 Keith Packard
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 the author(s) not be used in
11		* advertising or publicity pertaining to distribution of the software without
12		* specific, written prior permission. The authors make no
13		* representations about the suitability of this software for any purpose. It
14		* is provided "as is" without express or implied warranty.
15		*
16		* THE AUTHOR(S) DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
17		* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
18		* EVENT SHALL THE AUTHOR(S) 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.
23		*/
24
25		#include "fcint.h"
26
27		#ifdef HAVE_DIRENT_H
28		# include <dirent.h>
29		#endif
30
31		#if ENABLE_FONTATIONS
32		# include "fontconfig/fcfontations.h"
33		#endif
34
35		#if ENABLE_FREETYPE
36		#include "fontconfig/fcfreetype.h"
37		#endif
38
39		FcBool
40		FcFileIsDir (const FcChar8 *file)
41	0	{
42	0	struct stat statb;
43
44	0	if (FcStat (file, &statb) != 0)
45	0	return FcFalse;
46	0	return S_ISDIR (statb.st_mode);
47	0	}
48
49		FcBool
50		FcFileIsLink (const FcChar8 *file)
51	0	{
52	0	#if HAVE_LSTAT
53	0	struct stat statb;
54
55	0	if (lstat ((const char *)file, &statb) != 0)
56	0	return FcFalse;
57	0	return S_ISLNK (statb.st_mode);
58		#else
59		return FcFalse;
60		#endif
61	0	}
62
63		FcBool
64		FcFileIsFile (const FcChar8 *file)
65	0	{
66	0	struct stat statb;
67
68	0	if (FcStat (file, &statb) != 0)
69	0	return FcFalse;
70	0	return S_ISREG (statb.st_mode);
71	0	}
72
73		static FcBool
74		FcFileScanFontConfig (FcFontSet *set,
75		const FcChar8 *file,
76		FcConfig *config)
77	0	{
78	0	int i;
79	0	FcBool ret = FcTrue;
80	0	int old_nfont = set->nfont;
81	0	const FcChar8 *sysroot = FcConfigGetSysRoot (config);
82
83	0	if (FcDebug() & FC_DBG_SCAN) {
84	0	printf ("\tScanning file %s...", file);
85	0	fflush (stdout);
86	0	}
87
88	0	unsigned int (query_function) (const FcChar8 , unsigned int, FcBlanks , int , FcFontSet *) =
89		#if ENABLE_FONTATIONS && !defined(ENABLE_FREETYPE)
90		FcFontationsQueryAll;
91		#elif ENABLE_FREETYPE
92		FcFreeTypeQueryAll;
93	0	#endif
94
95		#if ENABLE_FONTATIONS
96		if (getenv ("FC_FONTATIONS")) {
97		query_function = FcFontationsQueryAll;
98		}
99		#endif
100	0	if (!query_function (file, -1, NULL, NULL, set))
101	0	return FcFalse;
102
103	0	if (FcDebug() & FC_DBG_SCAN)
104	0	printf ("done\n");
105
106	0	for (i = old_nfont; i < set->nfont; i++) {
107	0	FcPattern *font = set->fonts[i];
108
109		/*
110		* Get rid of sysroot here so that targeting scan rule may contains FC_FILE pattern
111		* and they should usually expect without sysroot.
112		*/
113	0	if (sysroot) {
114	0	size_t len = strlen ((const char *)sysroot);
115	0	FcChar8 *f = NULL;
116
117	0	if (FcPatternObjectGetString (font, FC_FILE_OBJECT, 0, &f) == FcResultMatch &&
118	0	strncmp ((const char )f, (const char )sysroot, len) == 0) {
119	0	FcChar8 *s = FcStrCopy (f);
120	0	FcPatternObjectDel (font, FC_FILE_OBJECT);
121	0	if (s[len] != '/')
122	0	len--;
123	0	else if (s[len + 1] == '/')
124	0	len++;
125	0	FcPatternObjectAddString (font, FC_FILE_OBJECT, &s[len]);
126	0	FcStrFree (s);
127	0	}
128	0	}
129
130		/*
131		* Edit pattern with user-defined rules
132		*/
133	0	if (config && !FcConfigSubstitute (config, font, FcMatchScan))
134	0	ret = FcFalse;
135
136	0	if (FcDebug() & FC_DBG_SCANV) {
137	0	printf ("Final font pattern:\n");
138	0	FcPatternPrint (font);
139	0	}
140	0	}
141
142	0	return ret;
143	0	}
144
145		FcBool
146		FcFileScanConfig (FcFontSet *set,
147		FcStrSet *dirs,
148		const FcChar8 *file,
149		FcConfig *config)
150	0	{
151	0	if (FcFileIsDir (file)) {
152	0	const FcChar8 *sysroot = FcConfigGetSysRoot (config);
153	0	const FcChar8 *d = file;
154	0	size_t len;
155
156	0	if (sysroot) {
157	0	len = strlen ((const char *)sysroot);
158	0	if (strncmp ((const char )file, (const char )sysroot, len) == 0) {
159	0	if (file[len] != '/')
160	0	len--;
161	0	else if (file[len + 1] == '/')
162	0	len++;
163	0	d = &file[len];
164	0	}
165	0	}
166	0	return FcStrSetAdd (dirs, d);
167	0	} else {
168	0	if (set)
169	0	return FcFileScanFontConfig (set, file, config);
170	0	else
171	0	return FcTrue;
172	0	}
173	0	}
174
175		FcBool
176		FcFileScan (FcFontSet *set,
177		FcStrSet *dirs,
178		FcFileCache *cache FC_UNUSED,
179		FcBlanks *blanks FC_UNUSED,
180		const FcChar8 *file,
181		FcBool force FC_UNUSED)
182	0	{
183	0	FcConfig *config;
184	0	FcBool ret;
185
186	0	config = FcConfigReference (NULL);
187	0	if (!config)
188	0	return FcFalse;
189	0	ret = FcFileScanConfig (set, dirs, file, config);
190	0	FcConfigDestroy (config);
191
192	0	return ret;
193	0	}
194
195		/*
196		* Strcmp helper that takes pointers to pointers, copied from qsort(3) manpage
197		*/
198		static int
199		cmpstringp (const void p1, const void p2)
200	0	{
201	0	return strcmp ((char )p1, (char **)p2);
202	0	}
203
204		FcBool
205		FcDirScanConfig (FcFontSet *set,
206		FcStrSet *dirs,
207		const FcChar8 *dir,
208		FcBool force, /* XXX unused */
209		FcConfig *config)
210	0	{
211	0	DIR *d;
212	0	struct dirent *e;
213	0	FcStrSet *files;
214	0	FcChar8 file_prefix = NULL, s_dir = NULL;
215	0	FcChar8 *base;
216	0	const FcChar8 *sysroot = FcConfigGetSysRoot (config);
217	0	FcBool ret = FcTrue;
218	0	int i;
219
220	0	if (!force)
221	0	return FcFalse;
222
223	0	if (!set && !dirs)
224	0	return FcTrue;
225
226	0	if (sysroot)
227	0	s_dir = FcStrBuildFilename (sysroot, dir, NULL);
228	0	else
229	0	s_dir = FcStrCopy (dir);
230	0	if (!s_dir) {
231	0	ret = FcFalse;
232	0	goto bail;
233	0	}
234
235		/* freed below */
236	0	file_prefix = (FcChar8 )malloc (strlen ((char )s_dir) + 1 + FC_MAX_FILE_LEN + 1);
237	0	if (!file_prefix) {
238	0	ret = FcFalse;
239	0	goto bail;
240	0	}
241	0	strcpy ((char )file_prefix, (char )s_dir);
242	0	strcat ((char *)file_prefix, FC_DIR_SEPARATOR_S);
243	0	base = file_prefix + strlen ((char *)file_prefix);
244
245	0	if (FcDebug() & FC_DBG_SCAN)
246	0	printf ("\tScanning dir %s\n", s_dir);
247
248	0	d = opendir ((char *)s_dir);
249	0	if (!d) {
250		/* Don't complain about missing directories */
251	0	if (errno != ENOENT)
252	0	ret = FcFalse;
253	0	goto bail;
254	0	}
255
256	0	files = FcStrSetCreateEx (FCSS_ALLOW_DUPLICATES \| FCSS_GROW_BY_64);
257	0	if (!files) {
258	0	ret = FcFalse;
259	0	goto bail1;
260	0	}
261	0	while ((e = readdir (d))) {
262		/* Ignore . and .. */
263	0	if (e->d_name[0] == '.' &&
264	0	(e->d_name[1] == 0 \|\|
265	0	(e->d_name[1] == '.' && e->d_name[2] == 0)))
266	0	continue;
267	0	if (strlen (e->d_name) < FC_MAX_FILE_LEN) {
268	0	strcpy ((char )base, (char )e->d_name);
269	0	if (!FcStrSetAdd (files, file_prefix)) {
270	0	ret = FcFalse;
271	0	goto bail2;
272	0	}
273	0	}
274	0	}
275
276		/*
277		* Sort files to make things prettier
278		*/
279	0	if (files->num)
280	0	qsort (files->strs, files->num, sizeof (FcChar8 *), cmpstringp);
281
282		/*
283		* Scan file files to build font patterns
284		*/
285	0	for (i = 0; i < files->num; i++)
286	0	FcFileScanConfig (set, dirs, files->strs[i], config);
287
288	0	bail2:
289	0	FcStrSetDestroy (files);
290	0	bail1:
291	0	closedir (d);
292	0	bail:
293	0	if (s_dir)
294	0	free (s_dir);
295	0	if (file_prefix)
296	0	free (file_prefix);
297
298	0	return ret;
299	0	}
300
301		FcBool
302		FcDirScan (FcFontSet *set,
303		FcStrSet *dirs,
304		FcFileCache *cache FC_UNUSED,
305		FcBlanks *blanks FC_UNUSED,
306		const FcChar8 *dir,
307		FcBool force FC_UNUSED)
308	0	{
309	0	FcConfig *config;
310	0	FcBool ret;
311
312	0	if (cache \|\| !force)
313	0	return FcFalse;
314
315	0	config = FcConfigReference (NULL);
316	0	if (!config)
317	0	return FcFalse;
318	0	ret = FcDirScanConfig (set, dirs, dir, force, config);
319	0	FcConfigDestroy (config);
320
321	0	return ret;
322	0	}
323
324		/*
325		* Scan the specified directory and construct a cache of its contents
326		*/
327		FcCache *
328		FcDirCacheScan (const FcChar8 dir, FcConfig config)
329	0	{
330	0	FcStrSet *dirs;
331	0	FcFontSet *set;
332	0	FcCache *cache = NULL;
333	0	struct stat dir_stat;
334	0	const FcChar8 *sysroot = FcConfigGetSysRoot (config);
335	0	FcChar8 *d;
336	0	#ifndef _WIN32
337	0	int fd = -1;
338	0	#endif
339
340	0	if (sysroot)
341	0	d = FcStrBuildFilename (sysroot, dir, NULL);
342	0	else
343	0	d = FcStrCopy (dir);
344
345	0	if (FcDebug() & FC_DBG_FONTSET)
346	0	printf ("cache scan dir %s\n", d);
347
348	0	if (FcStatChecksum (d, &dir_stat) < 0)
349	0	goto bail;
350
351	0	set = FcFontSetCreate();
352	0	if (!set)
353	0	goto bail;
354
355	0	dirs = FcStrSetCreateEx (FCSS_GROW_BY_64);
356	0	if (!dirs)
357	0	goto bail1;
358
359	0	#ifndef _WIN32
360	0	fd = FcDirCacheLock (dir, config);
361	0	#endif
362		/*
363		* Scan the dir
364		*/
365		/* Do not pass sysroot here. FcDirScanConfig() do take care of it */
366	0	if (!FcDirScanConfig (set, dirs, dir, FcTrue, config))
367	0	goto bail2;
368
369		/*
370		* Build the cache object
371		*/
372	0	cache = FcDirCacheBuild (set, dir, &dir_stat, dirs);
373	0	if (!cache)
374	0	goto bail2;
375
376		/*
377		* Write out the cache file, ignoring any troubles
378		*/
379	0	FcDirCacheWrite (cache, config);
380
381	0	bail2:
382	0	#ifndef _WIN32
383	0	FcDirCacheUnlock (fd);
384	0	#endif
385	0	FcStrSetDestroy (dirs);
386	0	bail1:
387	0	FcFontSetDestroy (set);
388	0	bail:
389	0	FcStrFree (d);
390
391	0	return cache;
392	0	}
393
394		FcCache *
395		FcDirCacheRescan (const FcChar8 dir, FcConfig config)
396	0	{
397	0	FcCache *cache;
398	0	FcCache *newp = NULL;
399	0	struct stat dir_stat;
400	0	FcStrSet *dirs;
401	0	const FcChar8 *sysroot;
402	0	FcChar8 *d = NULL;
403	0	#ifndef _WIN32
404	0	int fd = -1;
405	0	#endif
406
407	0	config = FcConfigReference (config);
408	0	if (!config)
409	0	return NULL;
410	0	sysroot = FcConfigGetSysRoot (config);
411	0	cache = FcDirCacheLoad (dir, config, NULL);
412	0	if (!cache)
413	0	goto bail;
414
415	0	if (sysroot)
416	0	d = FcStrBuildFilename (sysroot, dir, NULL);
417	0	else
418	0	d = FcStrCopy (dir);
419	0	if (FcStatChecksum (d, &dir_stat) < 0)
420	0	goto bail;
421	0	dirs = FcStrSetCreateEx (FCSS_GROW_BY_64);
422	0	if (!dirs)
423	0	goto bail;
424
425	0	#ifndef _WIN32
426	0	fd = FcDirCacheLock (dir, config);
427	0	#endif
428		/*
429		* Scan the dir
430		*/
431		/* Do not pass sysroot here. FcDirScanConfig() do take care of it */
432	0	if (!FcDirScanConfig (NULL, dirs, dir, FcTrue, config))
433	0	goto bail1;
434		/*
435		* Rebuild the cache object
436		*/
437	0	newp = FcDirCacheRebuild (cache, &dir_stat, dirs);
438	0	if (!newp)
439	0	goto bail1;
440	0	FcDirCacheUnload (cache);
441		/*
442		* Write out the cache file, ignoring any troubles
443		*/
444	0	FcDirCacheWrite (newp, config);
445
446	0	bail1:
447	0	#ifndef _WIN32
448	0	FcDirCacheUnlock (fd);
449	0	#endif
450	0	FcStrSetDestroy (dirs);
451	0	bail:
452	0	if (d)
453	0	FcStrFree (d);
454	0	FcConfigDestroy (config);
455
456	0	return newp;
457	0	}
458
459		/*
460		* Read (or construct) the cache for a directory
461		*/
462		FcCache *
463		FcDirCacheRead (const FcChar8 dir, FcBool force, FcConfig config)
464	0	{
465	0	FcCache *cache = NULL;
466
467	0	config = FcConfigReference (config);
468		/* Try to use existing cache file */
469	0	if (!force)
470	0	cache = FcDirCacheLoad (dir, config, NULL);
471
472		/* Not using existing cache file, construct new cache */
473	0	if (!cache) {
474	0	FcDirCacheDeleteUUID (dir, config);
475	0	cache = FcDirCacheScan (dir, config);
476	0	}
477	0	FcConfigDestroy (config);
478
479	0	return cache;
480	0	}
481
482		FcBool
483		FcDirSave (FcFontSet set FC_UNUSED, FcStrSet dirs FC_UNUSED, const FcChar8 *dir FC_UNUSED)
484	0	{
485	0	return FcFalse; /* XXX deprecated */
486	0	}
487		#define __fcdir__
488		#include "fcaliastail.h"
489		#undef __fcdir__