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// SPDX-License-Identifier: BSD-2-Clause
/*
* Copyright (c) 2014, Linaro Limited
* All rights reserved.
*/
#include <string_ext.h>
int buf_compare_ct(const void *s1, const void *s2, size_t n)
{
int res = 0;
unsigned char *c1 = (unsigned char *)s1;
unsigned char *c2 = (unsigned char *)s2;
while (n--) {
res |= (*c1 ^ *c2);
c1++;
c2++;
}
res |= res >> 4;
res |= res >> 2;
res |= res >> 1;
res &= 1;
return res;
}
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