14887Schin /*********************************************************************** 24887Schin * * 34887Schin * This software is part of the ast package * 4*12068SRoger.Faulkner@Oracle.COM * Copyright (c) 1985-2010 AT&T Intellectual Property * 54887Schin * and is licensed under the * 64887Schin * Common Public License, Version 1.0 * 78462SApril.Chin@Sun.COM * by AT&T Intellectual Property * 84887Schin * * 94887Schin * A copy of the License is available at * 104887Schin * http://www.opensource.org/licenses/cpl1.0.txt * 114887Schin * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 124887Schin * * 134887Schin * Information and Software Systems Research * 144887Schin * AT&T Research * 154887Schin * Florham Park NJ * 164887Schin * * 174887Schin * Glenn Fowler <gsf@research.att.com> * 184887Schin * David Korn <dgk@research.att.com> * 194887Schin * Phong Vo <kpv@research.att.com> * 204887Schin * * 214887Schin ***********************************************************************/ 224887Schin #pragma prototyped 234887Schin 244887Schin #include <ast.h> 254887Schin 264887Schin #if _lib_memccpy && !_UWIN 274887Schin 284887Schin NoN(memccpy) 294887Schin 304887Schin #else 314887Schin 324887Schin /* 334887Schin * Copy s2 to s1, stopping if character c is copied. Copy no more than n bytes. 344887Schin * Return a pointer to the byte after character c in the copy, 354887Schin * or 0 if c is not found in the first n bytes. 364887Schin */ 374887Schin 384887Schin void* 394887Schin memccpy(void* as1, const void* as2, register int c, size_t n) 404887Schin { 414887Schin register char* s1 = (char*)as1; 424887Schin register const char* s2 = (char*)as2; 434887Schin register const char* ep = s2 + n; 444887Schin 454887Schin while (s2 < ep) 464887Schin if ((*s1++ = *s2++) == c) 474887Schin return(s1); 484887Schin return(0); 494887Schin } 504887Schin 514887Schin #endif 52