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 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" 28 29 /* Copyright (c) 1988 AT&T */ 30 /* All Rights Reserved */ 31 32 33 #ifndef _KMDB 34 #pragma weak memccpy = _memccpy 35 36 #include "synonyms.h" 37 #endif /* !_KMDB */ 38 #include <sys/types.h> 39 #include <string.h> 40 #include <stddef.h> 41 #include <memory.h> 42 43 /* 44 * Copy s0 to s, stopping if character c is copied. Copy no more than n bytes. 45 * Return a pointer to the byte after character c in the copy, 46 * or NULL if c is not found in the first n bytes. 47 */ 48 void * 49 memccpy(void *s, const void *s0, int c, size_t n) 50 { 51 if (n != 0) { 52 unsigned char *s1 = s; 53 const unsigned char *s2 = s0; 54 do { 55 if ((*s1++ = *s2++) == (unsigned char)c) 56 return (s1); 57 } while (--n != 0); 58 } 59 return (NULL); 60 } 61