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- /* Copyright (C) 1989, 1990, 1991, 1992 Free Software Foundation, Inc.
- Written by James Clark (jjc@jclark.com)
-
- This file is part of groff.
-
- groff is free software; you can redistribute it and/or modify it under
- the terms of the GNU General Public License as published by the Free
- Software Foundation; either version 2, or (at your option) any later
- version.
-
- groff is distributed in the hope that it will be useful, but WITHOUT ANY
- WARRANTY; without even the implied warranty of MERCHANTABILITY or
- FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License along
- with groff; see the file COPYING. If not, write to the Free Software
- Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- unsigned hash(const char *s, int len)
- {
- #if 0
- unsigned h = 0, g;
- while (*s != '\0') {
- h <<= 4;
- h += *s++;
- if ((g = h & 0xf0000000) != 0) {
- h ^= g >> 24;
- h ^= g;
- }
- }
- #endif
- unsigned h = 0;
- while (--len >= 0)
- h = *s++ + 65587*h;
- return h;
- }
-
-