+static void
+FcParseLangSet (FcConfigParse *parse)
+{
+ FcVStack *vstack;
+ FcLangSet *langset = FcLangSetCreate ();
+ int n = 0;
+
+ while ((vstack = FcVStackPeek (parse)))
+ {
+ switch (vstack->tag) {
+ case FcVStackString:
+ if (!FcLangSetAdd (langset, vstack->u.string))
+ {
+ FcConfigMessage (parse, FcSevereWarning, "invalid langset: %s", vstack->u.string);
+ }
+ else
+ n++;
+ break;
+ default:
+ FcConfigMessage (parse, FcSevereError, "invalid element in langset");
+ break;
+ }
+ FcVStackPopAndDestroy (parse);
+ }
+ if (n > 0)
+ FcVStackPushLangSet (parse, langset);
+ else
+ FcLangSetDestroy (langset);
+}
+