/*********************************************************************** * * * This software is part of the ast package * * Copyright (c) 1985-2007 AT&T Knowledge Ventures * * and is licensed under the * * Common Public License, Version 1.0 * * by AT&T Knowledge Ventures * * * * A copy of the License is available at * * http://www.opensource.org/licenses/cpl1.0.txt * * (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9) * * * * Information and Software Systems Research * * AT&T Research * * Florham Park NJ * * * * Glenn Fowler * * David Korn * * Phong Vo * * * ***********************************************************************/ #pragma prototyped /* * Glenn Fowler * AT&T Research */ #include #include long strkey(register const char* s) { register long x = 0; register int n = 0; register int c; while (n++ < HASHKEYMAX) { c = *s; if (c >= 'a' && c <= 'z') x = HASHKEYPART(x, c); else if (c >= '0' && c <= '9') x = HASHKEYPART(x, HASHKEYN(c)); else break; s++; } return x; }