+ return *string == '\0';
+}
+
+static FcBool
+FcConfigGlobsMatch (const FcStrSet *globs,
+ const FcChar8 *string)
+{
+ int i;
+
+ for (i = 0; i < globs->num; i++)
+ if (FcConfigGlobMatch (globs->strs[i], string))
+ return FcTrue;
+ return FcFalse;
+}
+
+FcBool
+FcConfigAcceptFilename (FcConfig *config,
+ const FcChar8 *filename)
+{
+ if (FcConfigGlobsMatch (config->acceptGlobs, filename))
+ return FcTrue;
+ if (FcConfigGlobsMatch (config->rejectGlobs, filename))
+ return FcFalse;
+ return FcTrue;
+}
+
+/*
+ * Manage font-pattern based font source selectors
+ */
+
+FcBool
+FcConfigPatternsAdd (FcConfig *config,
+ FcPattern *pattern,
+ FcBool accept)
+{
+ FcFontSet *set = accept ? config->acceptPatterns : config->rejectPatterns;
+
+ return FcFontSetAdd (set, pattern);
+}
+
+static FcBool
+FcConfigPatternsMatch (const FcFontSet *patterns,
+ const FcPattern *font)
+{
+ int i;
+
+ for (i = 0; i < patterns->nfont; i++)
+ if (FcListPatternMatchAny (patterns->fonts[i], font))
+ return FcTrue;
+ return FcFalse;
+}
+
+FcBool
+FcConfigAcceptFont (FcConfig *config,
+ const FcPattern *font)
+{
+ if (FcConfigPatternsMatch (config->acceptPatterns, font))
+ return FcTrue;
+ if (FcConfigPatternsMatch (config->rejectPatterns, font))
+ return FcFalse;