Re-scan font directories only when it contains subdirs

[platform/upstream/fontconfig.git] / src / fcdir.c

diff --git a/src/fcdir.c b/src/fcdir.c
index f927c0b..b040a28 100644 (file)
--- a/src/fcdir.c
+++ b/src/fcdir.c
@@ -7,9 +7,9 @@
  * 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.
  *
@@ -30,11 +30,35 @@ FcFileIsDir (const FcChar8 *file)
 {
     struct stat            statb;
 
-    if (FcStat ((const char *) file, &statb) != 0)
+    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,
                      FcBlanks          *blanks,
@@ -45,7 +69,7 @@ FcFileScanFontConfig (FcFontSet               *set,
     FcBool     ret = FcTrue;
     int                id;
     int                count = 0;
-    
+
     id = 0;
     do
     {
@@ -65,7 +89,7 @@ FcFileScanFontConfig (FcFontSet               *set,
        /*
         * Edit pattern with user-defined rules
         */
-       if (font && config && !FcConfigSubstituteWithPat (config, font, NULL, FcMatchScan))
+       if (font && config && !FcConfigSubstitute (config, font, FcMatchScan))
        {
            FcPatternDestroy (font);
            font = NULL;
@@ -75,7 +99,7 @@ FcFileScanFontConfig (FcFontSet               *set,
        /*
         * Add the font
         */
-       if (font && (!config || FcConfigAcceptFont (config, font)))
+       if (font)
        {
            if (FcDebug() & FC_DBG_SCANV)
            {
@@ -112,10 +136,10 @@ FcFileScanConfig (FcFontSet       *set,
 FcBool
 FcFileScan (FcFontSet      *set,
            FcStrSet        *dirs,
-           FcFileCache     *cache, /* XXX unused */
+           FcFileCache     *cache FC_UNUSED,
            FcBlanks        *blanks,
            const FcChar8   *file,
-           FcBool          force)
+           FcBool          force FC_UNUSED)
 {
     return FcFileScanConfig (set, dirs, blanks, file, FcConfigGetCurrent ());
 }
@@ -164,7 +188,7 @@ FcDirScanConfig (FcFontSet  *set,
     strcpy ((char *) file, (char *) dir);
     strcat ((char *) file, "/");
     base = file + strlen ((char *) file);
-    
+
     if (FcDebug () & FC_DBG_SCAN)
        printf ("\tScanning dir %s\n", dir);
        
@@ -205,12 +229,15 @@ FcDirScanConfig (FcFontSet        *set,
      */
     for (i = 0; i < files->num; i++)
        FcFileScanConfig (set, dirs, blanks, files->strs[i], config);
-    
+
 bail2:
     FcStrSetDestroy (files);
 bail1:
     closedir (d);
 bail:
+    if (file)
+       free (file);
+
     return ret;
 }
 
@@ -235,7 +262,6 @@ FcCache *
 FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
 {
     FcStrSet           *dirs;
-    FcBool             ret = FcTrue;
     FcFontSet          *set;
     FcCache            *cache = NULL;
     struct stat                dir_stat;
@@ -243,51 +269,35 @@ FcDirCacheScan (const FcChar8 *dir, FcConfig *config)
     if (FcDebug () & FC_DBG_FONTSET)
        printf ("cache scan dir %s\n", dir);
 
-    if (FcStat ((char *) dir, &dir_stat) < 0)
-    {
-       if (errno != ENOENT)
-           ret = FcFalse;
+    if (FcStatChecksum (dir, &dir_stat) < 0)
        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)
-    {
-       ret = FcFalse;
        goto bail2;
-    }
-    
+
     /*
      * Write out the cache file, ignoring any troubles
      */
     FcDirCacheWrite (cache, config);
-    
+
  bail2:
     FcStrSetDestroy (dirs);
  bail1:
@@ -304,22 +314,19 @@ FcDirCacheRead (const FcChar8 *dir, FcBool force, FcConfig *config)
 {
     FcCache            *cache = NULL;
 
-    if (config && !FcConfigAcceptFilename (config, dir))
-       return NULL;
-
     /* Try to use existing cache file */
     if (!force)
        cache = FcDirCacheLoad (dir, config, NULL);
-    
+
     /* Not using existing cache file, construct new cache */
     if (!cache)
        cache = FcDirCacheScan (dir, config);
-    
+
     return cache;
 }
 
 FcBool
-FcDirSave (FcFontSet *set, FcStrSet * dirs, const FcChar8 *dir)
+FcDirSave (FcFontSet *set FC_UNUSED, FcStrSet * dirs FC_UNUSED, const FcChar8 *dir FC_UNUSED)
 {
     return FcFalse; /* XXX deprecated */
 }