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 2008 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 /* Copyright (c) 1988 AT&T */ 28 /* All Rights Reserved */ 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #ifndef _KMDB 33 #pragma weak _memccpy = memccpy 34 35 #include "lint.h" 36 #endif /* !_KMDB */ 37 #include <sys/types.h> 38 #include <string.h> 39 #include <stddef.h> 40 #include <memory.h> 41 42 /* 43 * Copy s0 to s, stopping if character c is copied. Copy no more than n bytes. 44 * Return a pointer to the byte after character c in the copy, 45 * or NULL if c is not found in the first n bytes. 46 */ 47 void * 48 memccpy(void *s, const void *s0, int c, size_t n) 49 { 50 if (n != 0) { 51 unsigned char *s1 = s; 52 const unsigned char *s2 = s0; 53 do { 54 if ((*s1++ = *s2++) == (unsigned char)c) 55 return (s1); 56 } while (--n != 0); 57 } 58 return (NULL); 59 } 60