1 /* hash-pjw.h -- declaration for a simple hash function
2 Copyright (C) 2001, 2003, 2009-2021 Free Software Foundation, Inc.
4 This program is free software: you can redistribute it and/or modify
5 it under the terms of the GNU General Public License as published by
6 the Free Software Foundation; either version 3 of the License, or
7 (at your option) any later version.
9 This program is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU General Public License for more details.
14 You should have received a copy of the GNU General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
19 /* Compute a hash code for a NUL-terminated string starting at X,
20 and return the hash code modulo TABLESIZE.
21 The result is platform dependent: it depends on the size of the 'size_t'
22 type and on the signedness of the 'char' type. */
23 extern size_t hash_pjw (void const *x, size_t tablesize) _GL_ATTRIBUTE_PURE;