1/*********************************************************************** 2* * 3* This software is part of the ast package * 4* Copyright (c) 1985-2010 AT&T Intellectual Property * 5* and is licensed under the * 6* Common Public License, Version 1.0 * 7* by AT&T Intellectual Property * 8* * 9* A copy of the License is available at * 10* http://www.opensource.org/licenses/cpl1.0.txt * 11* (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * 12* * 13* Information and Software Systems Research * 14* AT&T Research * 15* Florham Park NJ * 16* * 17* Glenn Fowler <gsf@research.att.com> * 18* David Korn <dgk@research.att.com> * 19* Phong Vo <kpv@research.att.com> * 20* * 21***********************************************************************/ 22#pragma prototyped 23/* 24 * Glenn Fowler 25 * AT&T Bell Laboratories 26 * 27 * hash table library 28 */ 29 30#include "hashlib.h" 31 32/* 33 * return the hash of buffer s of length n 34 */ 35 36unsigned int 37memhash(const void* as, int n) 38{ 39 register const unsigned char* s = (const unsigned char*)as; 40 register const unsigned char* e = s + n; 41 register unsigned int c = 0; 42 43 while (s < e) HASHPART(c, *s++); 44 return(c); 45} 46