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Revive FcConfigScan() (bug #17121) 

FcConfigScan() with parameters cache=NULL and force=FcTrue can be used
to scan font dirs without any caching side effect.
This commit is contained in:
Behdad Esfahbod 2009-01-15 18:35:09 -05:00
parent 46e405cb9a
commit 4074fd254e
1 changed files with 90 additions and 65 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

155
src/fcdir.c
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@ -129,27 +129,30 @@ cmpstringp(const void *p1, const void *p2)
return strcmp(* (char **) p1, * (char **) p2);
}
/*
* Scan the specified directory and construct a cache of its contents
*/
FcCache *
FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
FcBool
FcDirScanConfig (FcFontSet *set,
FcStrSet *dirs,
FcBlanks *blanks,
const FcChar8 *dir,
FcBool force, /* XXX unused */
FcConfig *config)
{
DIR *d;
struct dirent *e;
FcStrSet *files;
FcStrSet *dirs;
FcChar8 *file;
FcChar8 *base;
FcBool ret = FcTrue;
FcFontSet *set;
int i;
FcBlanks *blanks = FcConfigGetBlanks (config);
FcCache *cache = NULL;
struct stat dir_stat;
if (FcDebug () & FC_DBG_FONTSET)
printf ("cache scan dir %s\n", dir);
if (!force)
return FcFalse;
if (!set && !dirs)
return FcTrue;
if (!blanks)
blanks = FcConfigGetBlanks (config);
/* freed below */
file = (FcChar8 *) malloc (strlen ((char *) dir) + 1 + FC_MAX_FILE_LEN + 1);
@ -169,23 +172,9 @@ FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
if (!d)
{
/* Don't complain about missing directories */
if (errno == ENOENT)
ret = FcTrue;
else
if (errno != ENOENT)
ret = FcFalse;
goto bail_1;
}
if (FcStat ((char *) dir, &dir_stat) < 0)
{
ret = FcFalse;
goto bail_1;
}
set = FcFontSetCreate();
if (!set)
{
ret = FcFalse;
goto bail0;
goto bail;
}
files = FcStrSetCreate ();
@ -210,41 +199,99 @@ FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
* Sort files to make things prettier
*/
qsort(files->strs, files->num, sizeof(FcChar8 *), cmpstringp);
dirs = FcStrSetCreate ();
if (!dirs)
goto bail2;
/*
* Scan file files to build font patterns
*/
for (i = 0; i < files->num; i++)
FcFileScanConfig (set, dirs, blanks, files->strs[i], config);
bail2:
FcStrSetDestroy (files);
bail1:
closedir (d);
bail:
return ret;
}
FcBool
FcDirScan (FcFontSet *set,
FcStrSet *dirs,
FcFileCache *cache, /* XXX unused */
FcBlanks *blanks,
const FcChar8 *dir,
FcBool force /* XXX unused */)
{
if (cache || !force)
return FcFalse;
return FcDirScanConfig (set, dirs, blanks, dir, force, NULL);
}
/*
* Scan the specified directory and construct a cache of its contents
*/
FcCache *
FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
{
FcStrSet *dirs;
FcBool ret = FcTrue;
FcFontSet *set;
FcCache *cache = NULL;
struct stat dir_stat;
if (FcDebug () & FC_DBG_FONTSET)
printf ("cache scan dir %s\n", dir);
if (FcStat ((char *) dir, &dir_stat) < 0)
{
if (errno != ENOENT)
ret = FcFalse;
goto bail;
}
set = FcFontSetCreate();
if (!set)
{
ret = FcFalse;
goto bail;
}
dirs = FcStrSetCreate ();
if (!dirs)
{
ret = FcFalse;
goto bail1;
}
/*
* Scan the dir
*/
if (!FcDirScanConfig (set, dirs, NULL, dir, FcTrue, config))
{
ret = FcFalse;
goto bail2;
}
/*
* Build the cache object
*/
cache = FcDirCacheBuild (set, dir, &dir_stat, dirs);
if (!cache)
goto bail3;
{
ret = FcFalse;
goto bail2;
}
/*
* Write out the cache file, ignoring any troubles
*/
FcDirCacheWrite (cache, config);
bail3:
FcStrSetDestroy (dirs);
bail2:
FcStrSetDestroy (files);
FcStrSetDestroy (dirs);
bail1:
FcFontSetDestroy (set);
bail0:
closedir (d);
bail_1:
free (file);
bail:
return cache;
}
@ -271,28 +318,6 @@ FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config)
return cache;
}
FcBool
FcDirScanConfig (FcFontSet *set,
FcStrSet *dirs,
FcBlanks *blanks,
const FcChar8 *dir,
FcBool force,
FcConfig *config)
{
return FcFalse; /* XXX deprecated */
}
FcBool
FcDirScan (FcFontSet *set,
FcStrSet *dirs,
FcFileCache *cache, /* XXX unused */
FcBlanks *blanks,
const FcChar8 *dir,
FcBool force)
{
return FcFalse; /* XXX deprecated */
}
FcBool
FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir)
{