coreboot-libre-fam15h-rdimm/3rdparty/arm-trusted-firmware/lib/libc/memcmp.c

26 lines
424 B
C

/*
* Copyright (c) 2013-2019, ARM Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <stddef.h>
#include <string.h>
int memcmp(const void *s1, const void *s2, size_t len)
{
const unsigned char *s = s1;
const unsigned char *d = s2;
unsigned char sc;
unsigned char dc;
while (len--) {
sc = *s++;
dc = *d++;
if (sc - dc)
return (sc - dc);
}
return 0;
}