1da2e3ebdSchin /*********************************************************************** 2da2e3ebdSchin * * 3da2e3ebdSchin * This software is part of the ast package * 4*3e14f97fSRoger A. Faulkner * Copyright (c) 1985-2010 AT&T Intellectual Property * 5da2e3ebdSchin * and is licensed under the * 6da2e3ebdSchin * Common Public License, Version 1.0 * 77c2fbfb3SApril Chin * by AT&T Intellectual Property * 8da2e3ebdSchin * * 9da2e3ebdSchin * A copy of the License is available at * 10da2e3ebdSchin * http://www.opensource.org/licenses/cpl1.0.txt * 11da2e3ebdSchin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12da2e3ebdSchin * * 13da2e3ebdSchin * Information and Software Systems Research * 14da2e3ebdSchin * AT&T Research * 15da2e3ebdSchin * Florham Park NJ * 16da2e3ebdSchin * * 17da2e3ebdSchin * Glenn Fowler <gsf@research.att.com> * 18da2e3ebdSchin * David Korn <dgk@research.att.com> * 19da2e3ebdSchin * Phong Vo <kpv@research.att.com> * 20da2e3ebdSchin * * 21da2e3ebdSchin ***********************************************************************/ 22da2e3ebdSchin #pragma prototyped 23da2e3ebdSchin 24da2e3ebdSchin #include <ast.h> 25da2e3ebdSchin 26da2e3ebdSchin #if _lib_memcpy 27da2e3ebdSchin 28da2e3ebdSchin NoN(memcpy) 29da2e3ebdSchin 30da2e3ebdSchin #else 31da2e3ebdSchin 32da2e3ebdSchin #undef memcpy 33da2e3ebdSchin 34da2e3ebdSchin #if _lib_bcopy 35da2e3ebdSchin 36da2e3ebdSchin extern void bcopy(void*, void*, size_t); 37da2e3ebdSchin 38da2e3ebdSchin void* 39da2e3ebdSchin memcpy(void* s1, void* s2, size_t n) 40da2e3ebdSchin { 41da2e3ebdSchin bcopy(s2, s1, n); 42da2e3ebdSchin return(s1); 43da2e3ebdSchin } 44da2e3ebdSchin 45da2e3ebdSchin #else 46da2e3ebdSchin 47da2e3ebdSchin void* 48da2e3ebdSchin memcpy(void* as1, const void* as2, register size_t n) 49da2e3ebdSchin { 50da2e3ebdSchin register char* s1 = (char*)as1; 51da2e3ebdSchin register const char* s2 = (const char*)as2; 52da2e3ebdSchin 53da2e3ebdSchin while (n-- > 0) 54da2e3ebdSchin *s1++ = *s2++; 55da2e3ebdSchin return(as1); 56da2e3ebdSchin } 57da2e3ebdSchin 58da2e3ebdSchin #endif 59da2e3ebdSchin 60da2e3ebdSchin #endif 61