1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate #if defined(_BOOT) 30*7c478bd9Sstevel@tonic-gate #include <sys/salib.h> 31*7c478bd9Sstevel@tonic-gate #else 32*7c478bd9Sstevel@tonic-gate #include <sys/systm.h> 33*7c478bd9Sstevel@tonic-gate #endif 34*7c478bd9Sstevel@tonic-gate 35*7c478bd9Sstevel@tonic-gate /* 36*7c478bd9Sstevel@tonic-gate * Implementations of functions described in memory(3C). 37*7c478bd9Sstevel@tonic-gate * These functions match the section 3C manpages. 38*7c478bd9Sstevel@tonic-gate */ 39*7c478bd9Sstevel@tonic-gate 40*7c478bd9Sstevel@tonic-gate void * 41*7c478bd9Sstevel@tonic-gate memmove(void *s1, const void *s2, size_t n) 42*7c478bd9Sstevel@tonic-gate { 43*7c478bd9Sstevel@tonic-gate #if defined(_BOOT) 44*7c478bd9Sstevel@tonic-gate bcopy(s2, s1, n); 45*7c478bd9Sstevel@tonic-gate #else 46*7c478bd9Sstevel@tonic-gate ovbcopy(s2, s1, n); 47*7c478bd9Sstevel@tonic-gate #endif 48*7c478bd9Sstevel@tonic-gate return (s1); 49*7c478bd9Sstevel@tonic-gate } 50*7c478bd9Sstevel@tonic-gate 51*7c478bd9Sstevel@tonic-gate void * 52*7c478bd9Sstevel@tonic-gate memset(void *s, int c, size_t n) 53*7c478bd9Sstevel@tonic-gate { 54*7c478bd9Sstevel@tonic-gate unsigned char *t; 55*7c478bd9Sstevel@tonic-gate 56*7c478bd9Sstevel@tonic-gate if ((unsigned char)c == '\0') 57*7c478bd9Sstevel@tonic-gate bzero(s, n); 58*7c478bd9Sstevel@tonic-gate else { 59*7c478bd9Sstevel@tonic-gate for (t = (unsigned char *)s; n > 0; n--) 60*7c478bd9Sstevel@tonic-gate *t++ = (unsigned char)c; 61*7c478bd9Sstevel@tonic-gate } 62*7c478bd9Sstevel@tonic-gate return (s); 63*7c478bd9Sstevel@tonic-gate } 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate int 66*7c478bd9Sstevel@tonic-gate memcmp(const void *s1, const void *s2, size_t n) 67*7c478bd9Sstevel@tonic-gate { 68*7c478bd9Sstevel@tonic-gate const uchar_t *ps1 = s1; 69*7c478bd9Sstevel@tonic-gate const uchar_t *ps2 = s2; 70*7c478bd9Sstevel@tonic-gate 71*7c478bd9Sstevel@tonic-gate if (s1 != s2 && n != 0) { 72*7c478bd9Sstevel@tonic-gate do { 73*7c478bd9Sstevel@tonic-gate if (*ps1++ != *ps2++) 74*7c478bd9Sstevel@tonic-gate return (ps1[-1] - ps2[-1]); 75*7c478bd9Sstevel@tonic-gate } while (--n != 0); 76*7c478bd9Sstevel@tonic-gate } 77*7c478bd9Sstevel@tonic-gate 78*7c478bd9Sstevel@tonic-gate return (0); 79*7c478bd9Sstevel@tonic-gate } 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate void * 82*7c478bd9Sstevel@tonic-gate memcpy(void *s1, const void *s2, size_t n) 83*7c478bd9Sstevel@tonic-gate { 84*7c478bd9Sstevel@tonic-gate bcopy(s2, s1, n); 85*7c478bd9Sstevel@tonic-gate return (s1); 86*7c478bd9Sstevel@tonic-gate } 87*7c478bd9Sstevel@tonic-gate 88*7c478bd9Sstevel@tonic-gate void * 89*7c478bd9Sstevel@tonic-gate memchr(const void *sptr, int c1, size_t n) 90*7c478bd9Sstevel@tonic-gate { 91*7c478bd9Sstevel@tonic-gate if (n != 0) { 92*7c478bd9Sstevel@tonic-gate unsigned char c = (unsigned char)c1; 93*7c478bd9Sstevel@tonic-gate const unsigned char *sp = sptr; 94*7c478bd9Sstevel@tonic-gate 95*7c478bd9Sstevel@tonic-gate do { 96*7c478bd9Sstevel@tonic-gate if (*sp++ == c) 97*7c478bd9Sstevel@tonic-gate return ((void *)--sp); 98*7c478bd9Sstevel@tonic-gate } while (--n != 0); 99*7c478bd9Sstevel@tonic-gate } 100*7c478bd9Sstevel@tonic-gate return (NULL); 101*7c478bd9Sstevel@tonic-gate } 102