jehanne/sys/src/lib/jehanne/port/memcmp.c

33 lines
703 B
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#include <u.h>
#include <libc.h>
int
jehanne_memcmp(const void *a1, const void *a2, uint32_t n)
{
const char *s1, *s2;
uint32_t c1, c2;
s1 = a1;
s2 = a2;
while(n > 0) {
c1 = *s1++;
c2 = *s2++;
if(c1 != c2) {
if(c1 > c2)
return 1;
return -1;
}
n--;
}
return 0;
}