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 * Glenn Fowler 254887Schin * AT&T Bell Laboratories 264887Schin * 274887Schin * hash table library 284887Schin */ 294887Schin 304887Schin #include "hashlib.h" 314887Schin 324887Schin /* 334887Schin * return the hash of buffer s of length n 344887Schin */ 354887Schin 364887Schin unsigned int memhash(const void * as,int n)374887Schinmemhash(const void* as, int n) 384887Schin { 394887Schin register const unsigned char* s = (const unsigned char*)as; 404887Schin register const unsigned char* e = s + n; 414887Schin register unsigned int c = 0; 424887Schin 434887Schin while (s < e) HASHPART(c, *s++); 444887Schin return(c); 454887Schin } 46