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 1998, 2003 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #pragma ident "%Z%%M% %I% %E% SMI" /* from SVR4.0 1.1 */ 28 29 #include <stdio.h> 30 #include <strings.h> 31 32 /* 33 * NOTE: strcasecmp()/strncasecmp() are in $SRC/common/util/string.c. 34 */ 35 36 int 37 bcmp(const void *s1, const void *s2, size_t len) 38 { 39 return (memcmp(s1, s2, len) != 0); 40 } 41 42 /* 43 * NOTE: our memmove() implementation depends on the fact that this bcopy() 44 * supports overlapping regions. 45 */ 46 void 47 bcopy(const void *src, void *dest, size_t count) 48 { 49 const char *csrc = src; 50 char *cdest = dest; 51 52 if (count == 0) 53 return; 54 55 if (csrc < cdest && (csrc + count) > cdest) { 56 /* overlap copy */ 57 while (count != 0) 58 --count, *(cdest + count) = *(csrc + count); 59 } else { 60 while (count != 0) 61 --count, *cdest++ = *csrc++; 62 } 63 } 64 65 void 66 bzero(void *p, size_t n) 67 { 68 char *cp; 69 70 for (cp = p; n != 0; n--) 71 *cp++ = 0; 72 } 73