xref: /titanic_51/usr/src/common/util/memset.c (revision 8cd45542f2a452ca0dab13d8b2d5cfa876ccbebc)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5ae115bc7Smrj  * Common Development and Distribution License (the "License").
6ae115bc7Smrj  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*8cd45542Sraf 
227c478bd9Sstevel@tonic-gate /*
23*8cd45542Sraf  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
287c478bd9Sstevel@tonic-gate 
297c478bd9Sstevel@tonic-gate /*	Copyright (c) 1988 AT&T	*/
307c478bd9Sstevel@tonic-gate /*	  All Rights Reserved  	*/
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate 
337c478bd9Sstevel@tonic-gate #if !defined(_KMDB) && !defined(_BOOT) && !defined(_KERNEL)
347c478bd9Sstevel@tonic-gate 
357c478bd9Sstevel@tonic-gate #pragma weak memset = _memset
367c478bd9Sstevel@tonic-gate 
377c478bd9Sstevel@tonic-gate #include "synonyms.h"
387c478bd9Sstevel@tonic-gate #endif /* !_KMDB && !_BOOT && !_KERNEL */
397c478bd9Sstevel@tonic-gate 
407c478bd9Sstevel@tonic-gate #include <sys/types.h>
417c478bd9Sstevel@tonic-gate 
427c478bd9Sstevel@tonic-gate #if defined(_KERNEL)
437c478bd9Sstevel@tonic-gate #include <sys/systm.h>
44ae115bc7Smrj #elif !defined(_BOOT)
457c478bd9Sstevel@tonic-gate #include <string.h>
46ae115bc7Smrj #endif
47ae115bc7Smrj 
48ae115bc7Smrj #include "string.h"
497c478bd9Sstevel@tonic-gate 
507c478bd9Sstevel@tonic-gate /*
517c478bd9Sstevel@tonic-gate  * Set an array of n chars starting at sp to the character c.
527c478bd9Sstevel@tonic-gate  * Return sp.
537c478bd9Sstevel@tonic-gate  */
547c478bd9Sstevel@tonic-gate void *
557c478bd9Sstevel@tonic-gate memset(void *sp1, int c, size_t n)
567c478bd9Sstevel@tonic-gate {
577c478bd9Sstevel@tonic-gate 	if (n != 0) {
587c478bd9Sstevel@tonic-gate 		unsigned char *sp = sp1;
597c478bd9Sstevel@tonic-gate 		do {
607c478bd9Sstevel@tonic-gate 			*sp++ = (unsigned char)c;
617c478bd9Sstevel@tonic-gate 		} while (--n != 0);
627c478bd9Sstevel@tonic-gate 	}
637c478bd9Sstevel@tonic-gate 
647c478bd9Sstevel@tonic-gate 	return (sp1);
657c478bd9Sstevel@tonic-gate }
66