[Mingw-w64-public] [PATCH 1/2] crt: Add missing check for negative return value from WideCharToMultiByte() in __mingw_wcrtomb_cp

[Pali Rohár]

---
 mingw-w64-crt/misc/__mingw_wcrtomb_cp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mingw-w64-crt/misc/__mingw_wcrtomb_cp.c 
b/mingw-w64-crt/misc/__mingw_wcrtomb_cp.c
index 2eb4abaedd96..2760f48d67c7 100644
--- a/mingw-w64-crt/misc/__mingw_wcrtomb_cp.c
+++ b/mingw-w64-crt/misc/__mingw_wcrtomb_cp.c
@@ -79,7 +79,7 @@ size_t __mingw_wcrtomb_cp (
     cp, 0, &wc, 1, buffer, mb_cur_max, NULL, &defaultCharacterUsed
   );
 
-  if (ret == 0 || ret > mb_cur_max || defaultCharacterUsed) {
+  if (ret <= 0 || ret > mb_cur_max || defaultCharacterUsed) {
     goto eilseq;
   }
 
-- 
2.20.1



_______________________________________________
Mingw-w64-public mailing list
Mingw-w64-public@lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/mingw-w64-public