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 */ 47void * 48memccpy(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