blob: 11f5f9c9595839ca4531ea58599f4607b339a6ee [file] [log] [blame]
/**
* This file has no copyright assigned and is placed in the Public Domain.
* This file is part of the mingw-w64 runtime package.
* No warranty is given; refer to the file DISCLAIMER.PD within this package.
*/
#define __CRT__NO_INLINE
#include <stddef.h>
int __cdecl memcmp(const void *_S1, const void *_S2, size_t _N)
{
const unsigned char *s1 = _S1, *s2 = _S2;
if (_N == 0 || s1 == s2)
return 0; /* even for NULL pointers */
if ((s1 != NULL) != (s2 != NULL))
return s2 == NULL ? 1 : -1; /* robust */
for ( ; 0 < _N; ++s1, ++s2, --_N)
if (*s1 != *s2)
return (*s1 < *s2 ? -1 : +1);
return 0;
}