This commit was manufactured by cvs2git to create tag 'tb_20210818'.tb_20210818

1 files changed, 0 insertions, 47 deletions

diff --git a/src/lib/libc/string/timingsafe_memcmp.c b/src/lib/libc/string/timingsafe_memcmp.c
deleted file mode 100644
index 373f8cb197..0000000000
--- a/src/lib/libc/string/timingsafe_memcmp.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*      $OpenBSD: timingsafe_memcmp.c,v 1.2 2015/08/31 02:53:57 guenther Exp $  */
-/*
- * Copyright (c) 2014 Google Inc.
- *
- * Permission to use, copy, modify, and distribute this software for any
- * purpose with or without fee is hereby granted, provided that the above
- * copyright notice and this permission notice appear in all copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
- * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
- * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
- * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
- * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
- * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include <limits.h>
-#include <string.h>
-
-int
-timingsafe_memcmp(const void *b1, const void *b2, size_t len)
-{
-        const unsigned char *p1 = b1, *p2 = b2;
-        size_t i;
-        int res = 0, done = 0;
-
-        for (i = 0; i < len; i++) {
-                /* lt is -1 if p1[i] < p2[i]; else 0. */
-                int lt = (p1[i] - p2[i]) >> CHAR_BIT;
-
-                /* gt is -1 if p1[i] > p2[i]; else 0. */
-                int gt = (p2[i] - p1[i]) >> CHAR_BIT;
-
-                /* cmp is 1 if p1[i] > p2[i]; -1 if p1[i] < p2[i]; else 0. */
-                int cmp = lt - gt;
-
-                /* set res = cmp if !done. */
-                res |= cmp & ~done;
-
-                /* set done if p1[i] != p2[i]. */
-                done |= lt | gt;
-        }
-
-        return (res);
-}
-DEF_WEAK(timingsafe_memcmp);