summaryrefslogtreecommitdiffstats
path: root/usr.sbin/bind/lib/isc/safe.c
diff options
context:
space:
mode:
authorflorian <florian@openbsd.org>2020-02-11 16:45:42 +0000
committerflorian <florian@openbsd.org>2020-02-11 16:45:42 +0000
commitef60399ab18269e984457246f827e4a7d6e22d01 (patch)
treec4fe61f9633f69a77b53fd22048449081c459cd2 /usr.sbin/bind/lib/isc/safe.c
parentadd iwx to fw_update (diff)
downloadwireguard-openbsd-ef60399ab18269e984457246f827e4a7d6e22d01.tar.xz
wireguard-openbsd-ef60399ab18269e984457246f827e4a7d6e22d01.zip
Finish moving of dig(1) to /usr/bin/dig by removing the sources in the
old location. dig(1) sources can be found in src/usr.bin/dig. ok deraadt@
Diffstat (limited to 'usr.sbin/bind/lib/isc/safe.c')
-rw-r--r--usr.sbin/bind/lib/isc/safe.c72
1 files changed, 0 insertions, 72 deletions
diff --git a/usr.sbin/bind/lib/isc/safe.c b/usr.sbin/bind/lib/isc/safe.c
deleted file mode 100644
index 483ae5694c2..00000000000
--- a/usr.sbin/bind/lib/isc/safe.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
- *
- * Permission to use, copy, modify, and/or 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 ISC DISCLAIMS ALL WARRANTIES WITH
- * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
- * AND FITNESS. IN NO EVENT SHALL ISC 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.
- */
-
-/*! \file */
-
-#include <limits.h>
-#include <string.h>
-
-#include <isc/safe.h>
-#include <isc/util.h>
-
-isc_boolean_t
-isc_safe_memequal(const void *s1, const void *s2, size_t n) {
- uint8_t acc = 0;
-
- if (n != 0U) {
- const uint8_t *p1 = s1, *p2 = s2;
-
- do {
- acc |= *p1++ ^ *p2++;
- } while (--n != 0U);
- }
- return (ISC_TF(acc == 0));
-}
-
-
-int
-isc_safe_memcompare(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);
-}
-
-void
-isc_safe_memwipe(void *ptr, size_t len) {
- if (ptr == NULL || len == 0)
- return;
-
- explicit_bzero(ptr, len);
-}