minix/common/lib/libc/string/consttime_bcmp.c
Lionel Sambuc f14fb60209 Libraries updates and cleanup
* Updating common/lib
 * Updating lib/csu
 * Updating lib/libc
 * Updating libexec/ld.elf_so
 * Corrected test on __minix in featuretest to actually follow the
   meaning of the comment.
 * Cleaned up _REENTRANT-related defintions.
 * Disabled -D_REENTRANT for libfetch
 * Removing some unneeded __NBSD_LIBC defines and tests

Change-Id: Ic1394baef74d11b9f86b312f5ff4bbc3cbf72ce2
2013-01-14 11:36:26 +01:00

19 lines
395 B
C

/* $NetBSD: consttime_bcmp.c,v 1.1 2012/08/30 12:16:49 drochner Exp $ */
#if !defined(_KERNEL) && !defined(_STANDALONE)
#include <string.h>
#define consttime_bcmp __consttime_bcmp
#else
#include <lib/libkern/libkern.h>
#endif
int
consttime_bcmp(const void *b1, const void *b2, size_t len)
{
const char *c1 = b1, *c2 = b2;
int res = 0;
while (len --)
res |= *c1++ ^ *c2++;
return res;
}