/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License, Version 1.0 only * (the "License"). You may not use this file except in compliance * with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #pragma ident "%Z%%M% %I% %E% SMI" /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ #if !defined(_KMDB) && !defined(_BOOT) && !defined(_KERNEL) #pragma weak memcmp = _memcmp #include "synonyms.h" #endif /* !_KMDB && !_BOOT && !_KERNEL */ #include <sys/types.h> #if defined(_KERNEL) #include <sys/systm.h> #else #include <string.h> #include <stddef.h> #endif /* * Compare n bytes: s1>s2: >0 s1==s2: 0 s1<s2: <0 */ int memcmp(const void *s1, const void *s2, size_t n) { if (s1 != s2 && n != 0) { const unsigned char *ps1 = s1; const unsigned char *ps2 = s2; do { if (*ps1++ != *ps2++) return (ps1[-1] - ps2[-1]); } while (--n != 0); } return (0); }