Bartosz Kosiorek : msvcrt: Fix error handling for _mbscmp_l.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 927a9a5a04c9c7d8dbcfbe887594a87887911ce3
URL:    https://gitlab.winehq.org/wine/wine/-/commit/927a9a5a04c9c7d8dbcfbe887594a87...

Author: Bartosz Kosiorek 
Date:   Thu Oct 20 00:55:59 2022 +0200

msvcrt: Fix error handling for _mbscmp_l.

---

dlls/msvcrt/mbcs.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/dlls/msvcrt/mbcs.c b/dlls/msvcrt/mbcs.c
index 49109943665..1754a732cb6 100644
--- a/dlls/msvcrt/mbcs.c
+++ b/dlls/msvcrt/mbcs.c
@@ -982,7 +982,8 @@ int CDECL _mbscmp_l(const unsigned char* str, const unsigned char* cmp, _locale_
 {
   pthreadmbcinfo mbcinfo;

-  if (!str || !cmp) return INT_MAX;
+  if (!MSVCRT_CHECK_PMT(str && cmp))
+    return _NLSCMPERROR;

mbcinfo = locale ? locale->mbcinfo : get_mbcinfo();