/* hash-pjw.h -- declaration for a simple hash function

   Copyright (C) 2001, 2003, 2009-2020 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 3 of the License, 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.  If not, see <https://www.gnu.org/licenses/>.  */

#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) _GL_ATTRIBUTE_PURE;