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[CRT] Fix parameter check for _memicmp on NT 6+

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Fixes a crash in msvcrt_winetest:string
This commit is contained in:
Timo Kreuzer 2023-09-19 18:32:00 +03:00
parent 840dfdc3a1
commit d4993c67cd
1 changed files with 13 additions and 0 deletions
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13
sdk/lib/crt/mem/memicmp.c
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@ -8,6 +8,19 @@ int
CDECL
_memicmp(const void *s1, const void *s2, size_t n)
{
if (NtCurrentPeb()->OSMajorVersion >= 6)
{
if (!s1 || !s2)
{
if (n != 0)
{
MSVCRT_INVALID_PMT(NULL, EINVAL);
return _NLSCMPERROR;
}
return 0;
}
}
if (n != 0)
{
const unsigned char *p1 = s1, *p2 = s2;