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-rw-r--r--src/fclang.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/src/fclang.c b/src/fclang.c
index f3b825a..1c78328 100644
--- a/src/fclang.c
+++ b/src/fclang.c
@@ -505,6 +505,7 @@ FcLangSetCompare (const FcLangSet *lsa, const FcLangSet *lsb)
/*
* Used in computing values -- mustn't allocate any storage
+ * XXX Not thread-safe
*/
FcLangSet *
FcLangSetPromote (const FcChar8 *lang)
@@ -515,6 +516,7 @@ FcLangSetPromote (const FcChar8 *lang)
int id;
memset (ls.map, '\0', sizeof (ls.map));
+ ls.map_size = NUM_LANG_SET_MAP;
ls.extra = 0;
id = FcLangSetIndex (lang);
if (id > 0)