msvcrt: Copy memcmp implementation from ntdll.

Signed-off-by: Piotr Caban <piotr@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

msvcrt: Copy memcmp implementation from ntdll.
773f0a83 · Piotr Caban · Alexandre Julliard · 9d4eeaeb · 773f0a83
Commit 773f0a83 authored Jul 22, 2020 by Piotr Caban Committed by Alexandre Julliard Jul 22, 2020
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string.c dlls/msvcrt/string.c +8 -1

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--- a/dlls/msvcrt/string.c
+++ b/dlls/msvcrt/string.c
@@ -2219,7 +2219,14 @@ int CDECL MSVCRT_I10_OUTPUT(MSVCRT__LDOUBLE ld80, int prec, int flag, struct _I1
 */
 int __cdecl MSVCRT_memcmp(const void *ptr1, const void *ptr2, MSVCRT_size_t n)
 {
-    return memcmp(ptr1, ptr2, n);
+    const unsigned char *p1, *p2;
+
+    for (p1 = ptr1, p2 = ptr2; n; n--, p1++, p2++)
+    {
+        if (*p1 < *p2) return -1;
+        if (*p1 > *p2) return 1;
+    }
+    return 0;
 }

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