17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7fad02eeSpetede * Common Development and Distribution License (the "License"). 6*7fad02eeSpetede * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 22*7fad02eeSpetede * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 297c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 307c478bd9Sstevel@tonic-gate 31*7fad02eeSpetede /* 32*7fad02eeSpetede * The SunStudio compiler may generate calls to _memcpy and so we 33*7fad02eeSpetede * need to make sure that the correct symbol exists for these calls, 34*7fad02eeSpetede * whether it be libc (first case below) or the kernel (second case). 35*7fad02eeSpetede */ 367c478bd9Sstevel@tonic-gate 377c478bd9Sstevel@tonic-gate #if !defined(_KMDB) && !defined(_BOOT) && !defined(_KERNEL) 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #pragma weak _private_memcpy = _memcpy 407c478bd9Sstevel@tonic-gate #pragma weak memcpy = _memcpy 417c478bd9Sstevel@tonic-gate 427c478bd9Sstevel@tonic-gate #include "synonyms.h" 43*7fad02eeSpetede 44*7fad02eeSpetede #else 45*7fad02eeSpetede 46*7fad02eeSpetede #pragma weak _memcpy = memcpy 47*7fad02eeSpetede 487c478bd9Sstevel@tonic-gate #endif /* !_KMDB && !_BOOT && !_KERNEL */ 497c478bd9Sstevel@tonic-gate 507c478bd9Sstevel@tonic-gate #include <sys/types.h> 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #if defined(_KERNEL) 537c478bd9Sstevel@tonic-gate #include <sys/systm.h> 547c478bd9Sstevel@tonic-gate #else 557c478bd9Sstevel@tonic-gate #include <stddef.h> 567c478bd9Sstevel@tonic-gate #include <string.h> 577c478bd9Sstevel@tonic-gate #endif /* !_KERNEL */ 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate /* 607c478bd9Sstevel@tonic-gate * Copy s0 to s, always copy n bytes. 617c478bd9Sstevel@tonic-gate * Return s 627c478bd9Sstevel@tonic-gate */ 637c478bd9Sstevel@tonic-gate void * 647c478bd9Sstevel@tonic-gate memcpy(void *s, const void *s0, size_t n) 657c478bd9Sstevel@tonic-gate { 667c478bd9Sstevel@tonic-gate if (n != 0) { 677c478bd9Sstevel@tonic-gate char *s1 = s; 687c478bd9Sstevel@tonic-gate const char *s2 = s0; 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate do { 717c478bd9Sstevel@tonic-gate *s1++ = *s2++; 727c478bd9Sstevel@tonic-gate } while (--n != 0); 737c478bd9Sstevel@tonic-gate } 747c478bd9Sstevel@tonic-gate return (s); 757c478bd9Sstevel@tonic-gate } 76