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