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_memccpy && !_UWIN 27da2e3ebdSchin 28da2e3ebdSchin NoN(memccpy) 29da2e3ebdSchin 30da2e3ebdSchin #else 31da2e3ebdSchin 32da2e3ebdSchin /* 33da2e3ebdSchin * Copy s2 to s1, stopping if character c is copied. Copy no more than n bytes. 34da2e3ebdSchin * Return a pointer to the byte after character c in the copy, 35da2e3ebdSchin * or 0 if c is not found in the first n bytes. 36da2e3ebdSchin */ 37da2e3ebdSchin 38da2e3ebdSchin void* 39da2e3ebdSchin memccpy(void* as1, const void* as2, register int c, size_t n) 40da2e3ebdSchin { 41da2e3ebdSchin register char* s1 = (char*)as1; 42da2e3ebdSchin register const char* s2 = (char*)as2; 43da2e3ebdSchin register const char* ep = s2 + n; 44da2e3ebdSchin 45da2e3ebdSchin while (s2 < ep) 46da2e3ebdSchin if ((*s1++ = *s2++) == c) 47da2e3ebdSchin return(s1); 48da2e3ebdSchin return(0); 49da2e3ebdSchin } 50da2e3ebdSchin 51da2e3ebdSchin #endif 52