Support localized font family and style names. This has been reported to

[fontconfig.git] / src / fcdefault.c

diff --git a/src/fcdefault.c b/src/fcdefault.c
index 5e648dc94e84fdf23482499dc7728f57c2bfe326..956862cf0218a5c0d2329bb36480ff69d41c4c30 100644 (file)
--- a/src/fcdefault.c
+++ b/src/fcdefault.c
@@ -37,6 +37,67 @@ static struct {
 
 #define NUM_FC_BOOL_DEFAULTS   (int) (sizeof FcBoolDefaults / sizeof FcBoolDefaults[0])
 
+FcChar8 *
+FcGetDefaultLang (void)
+{
+    static char        lang_local [128] = {0};
+    char        *ctype;
+    char        *territory;
+    char        *after;
+    int         lang_len, territory_len;
+
+    if (lang_local [0])
+       return (FcChar8 *) lang_local;
+
+    ctype = setlocale (LC_CTYPE, NULL);
+
+    /*
+     * Check if setlocale (LC_ALL, "") has been called
+     */
+    if (!ctype || !strcmp (ctype, "C"))
+    {
+       ctype = getenv ("LC_ALL");
+       if (!ctype)
+       {
+           ctype = getenv ("LC_CTYPE");
+           if (!ctype)
+               ctype = getenv ("LANG");
+       }
+    }
+
+    /* ignore missing or empty ctype */
+    if (ctype && *ctype != '\0')
+    {
+       territory = strchr (ctype, '_');
+       if (territory)
+       {
+           lang_len = territory - ctype;
+           territory = territory + 1;
+           after = strchr (territory, '.');
+           if (!after)
+           {
+               after = strchr (territory, '@');
+               if (!after)
+                   after = territory + strlen (territory);
+           }
+           territory_len = after - territory;
+           if (lang_len + 1 + territory_len + 1 <= (int) sizeof (lang_local))
+           {
+               strncpy (lang_local, ctype, lang_len);
+               lang_local[lang_len] = '-';
+               strncpy (lang_local + lang_len + 1, territory, territory_len);
+               lang_local[lang_len + 1 + territory_len] = '\0';
+           }
+       }
+    }
+
+    /* set default lang to en */
+    if (!lang_local [0])
+       strcpy (lang_local, "en");
+
+    return (FcChar8 *) lang_local;
+}
+
 void
 FcDefaultSubstitute (FcPattern *pattern)
 {
@@ -91,54 +152,7 @@ FcDefaultSubstitute (FcPattern *pattern)
 
     if (FcPatternGet (pattern, FC_LANG, 0, &v) == FcResultNoMatch)
     {
-       char    *lang;
-       char    *territory;
-       char    *after;
-       int     lang_len, territory_len;
-       char    lang_local[128];
-       char    *ctype = setlocale (LC_CTYPE, NULL);
-
-       /*
-        * Check if setlocale (LC_ALL, "") has been called
-        */
-       if (!ctype || !strcmp (ctype, "C"))
-       {
-           ctype = getenv ("LC_ALL");
-           if (!ctype)
-           {
-               ctype = getenv ("LC_CTYPE");
-               if (!ctype)
-                   ctype = getenv ("LANG");
-           }
-       }
-       if (ctype)
-       {
-           lang = ctype;
-           territory = strchr (ctype, '_');
-           if (territory)
-           {
-               lang_len = territory - lang;
-               territory = territory + 1;
-               after = strchr (territory, '.');
-               if (!after)
-               {
-                   after = strchr (territory, '@');
-                   if (!after)
-                       after = territory + strlen (territory);
-               }
-               territory_len = after - territory;
-               if (lang_len + 1 + territory_len + 1 <= (int) sizeof (lang_local))
-               {
-                   strncpy (lang_local, lang, lang_len);
-                   lang_local[lang_len] = '-';
-                   strncpy (lang_local + lang_len + 1, territory, territory_len);
-                   lang_local[lang_len + 1 + territory_len] = '\0';
-                   FcPatternAddString (pattern, FC_LANG, (FcChar8 *) lang_local);
-               }
-           }
-           else
-               FcPatternAddString (pattern, FC_LANG, (FcChar8 *) lang);
-       }
+       FcPatternAddString (pattern, FC_LANG, FcGetDefaultLang ());
     }
     if (FcPatternGet (pattern, FC_FONTVERSION, 0, &v) == FcResultNoMatch)
     {