1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License, Version 1.0 only
6 * (the "License"). You may not use this file except in compliance
7 * with the License.
8 *
9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10 * or http://www.opensolaris.org/os/licensing.
11 * See the License for the specific language governing permissions
12 * and limitations under the License.
13 *
14 * When distributing Covered Code, include this CDDL HEADER in each
15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16 * If applicable, add the following below this CDDL HEADER, with the
17 * fields enclosed by brackets "[]" replaced with your own identifying
18 * information: Portions Copyright [yyyy] [name of copyright owner]
19 *
20 * CDDL HEADER END
21 */
22 /*
23 * Copyright 1998, 2003 Sun Microsystems, Inc. All rights reserved.
24 * Use is subject to license terms.
25 */
26
27 #pragma ident "%Z%%M% %I% %E% SMI" /* from SVR4.0 1.1 */
28
29 #include <stdio.h>
30 #include <strings.h>
31
32 /*
33 * NOTE: strcasecmp()/strncasecmp() are in $SRC/common/util/string.c.
34 */
35
36 int
bcmp(const void * s1,const void * s2,size_t len)37 bcmp(const void *s1, const void *s2, size_t len)
38 {
39 return (memcmp(s1, s2, len) != 0);
40 }
41
42 /*
43 * NOTE: our memmove() implementation depends on the fact that this bcopy()
44 * supports overlapping regions.
45 */
46 void
bcopy(const void * src,void * dest,size_t count)47 bcopy(const void *src, void *dest, size_t count)
48 {
49 const char *csrc = src;
50 char *cdest = dest;
51
52 if (count == 0)
53 return;
54
55 if (csrc < cdest && (csrc + count) > cdest) {
56 /* overlap copy */
57 while (count != 0)
58 --count, *(cdest + count) = *(csrc + count);
59 } else {
60 while (count != 0)
61 --count, *cdest++ = *csrc++;
62 }
63 }
64
65 void
bzero(void * p,size_t n)66 bzero(void *p, size_t n)
67 {
68 char *cp;
69
70 for (cp = p; n != 0; n--)
71 *cp++ = 0;
72 }
73