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diff --git a/libgnu/hash-pjw.c b/libgnu/hash-pjw.c
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-/* hash-pjw.c -- compute a hash value from a NUL-terminated string.
-
- Copyright (C) 2001, 2003, 2006, 2009-2017 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 <http://www.gnu.org/licenses/>. */
-
-#include <config.h>
-
-#include "hash-pjw.h"
-
-#include <limits.h>
-
-#define SIZE_BITS (sizeof (size_t) * CHAR_BIT)
-
-/* A hash function for NUL-terminated char* strings using
- the method described by Bruno Haible.
- See http://www.haible.de/bruno/hashfunc.html. */
-
-size_t
-hash_pjw (const void *x, size_t tablesize)
-{
- const char *s;
- size_t h = 0;
-
- for (s = x; *s; s++)
- h = *s + ((h << 9) | (h >> (SIZE_BITS - 9)));
-
- return h % tablesize;
-}