lib/hash-pjw.h


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/* hash-pjw.h -- declaration for a simple hash function
   Copyright (C) 2001, 2003 Free Software Foundation, Inc.

   This program 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.

   This program 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; see the file COPYING.
   If not, write to the Free Software Foundation,
   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.  */

#include <stddef.h>

/* Compute a hash code for a NUL-terminated string starting at X,
   and return the hash code modulo TABLESIZE.
   The result is platform dependent: it depends on the size of the 'size_t'
   type and on the signedness of the 'char' type.  */
extern size_t hash_pjw (void const *x, size_t tablesize);