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 (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 1988, 2010, Oracle and/or its affiliates. All rights reserved.
24 */
25
26 /* Copyright (c) 1988 AT&T */
27 /* All Rights Reserved */
28
29 #if !defined(_KMDB) && !defined(_BOOT) && !defined(_KERNEL)
30
31 #include "lint.h"
32
33 #endif /* !_KMDB && !_BOOT && !_KERNEL */
34
35 /*
36 * The SunStudio compiler may generate calls to _memset; So we
37 * need to make sure that the correct symbol exists for these calls.
38 */
39 #pragma weak _memset = memset
40
41 #include <sys/types.h>
42
43 #if defined(_KERNEL)
44 #include <sys/systm.h>
45 #elif !defined(_BOOT)
46 #include <string.h>
47 #endif
48
49 #include "string.h"
50
51 /*
52 * Set an array of n chars starting at sp to the character c.
53 * Return sp.
54 */
55 void *
memset(void * sp1,int c,size_t n)56 memset(void *sp1, int c, size_t n)
57 {
58 if (n != 0) {
59 unsigned char *sp = sp1;
60 do {
61 *sp++ = (unsigned char)c;
62 } while (--n != 0);
63 }
64
65 return (sp1);
66 }
67