msvcrt: Fix _mbsspn_l implementation.

c9467132 · Bartosz Kosiorek · Alexandre Julliard · adfb58f1 · c9467132
Commit c9467132 authored Nov 11, 2023 by Bartosz Kosiorek Committed by Alexandre Julliard Nov 17, 2023
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mbcs.c dlls/msvcrt/mbcs.c +3 -0

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--- a/dlls/msvcrt/mbcs.c
+++ b/dlls/msvcrt/mbcs.c
@@ -2791,6 +2791,9 @@ size_t CDECL _mbsspn_l(const unsigned char* string,
 {
    const unsigned char *p, *q;

+    if (!MSVCRT_CHECK_PMT(string && set))
+        return 0;
+
    for (p = string; *p; p++)
    {
        for (q = set; *q; q++)