/* hash-pjw.h -- declaration for a simple hash function
- Copyright (C) 2001, 2003, 2009-2011 Free Software Foundation, Inc.
+ Copyright (C) 2001, 2003, 2009-2013 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
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);
+extern size_t hash_pjw (void const *x, size_t tablesize) _GL_ATTRIBUTE_PURE;