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/* Copyright (C) 1989-2020 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 3 of the License, 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 this program. If not, see <http://www.gnu.org/licenses/>. */
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;
}
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