diff options
Diffstat (limited to 'locale/programs/simple-hash.c')
| -rw-r--r-- | locale/programs/simple-hash.c | 30 |
1 files changed, 4 insertions, 26 deletions
diff --git a/locale/programs/simple-hash.c b/locale/programs/simple-hash.c index e501038..b52b559 100644 --- a/locale/programs/simple-hash.c +++ b/locale/programs/simple-hash.c @@ -1,5 +1,5 @@ /* Implement simple hashing table with string based keys. - Copyright (C) 1994-1997, 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 1994-1997, 2000, 2001, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Written by Ulrich Drepper <drepper@gnu.ai.mit.edu>, October 1994. @@ -54,6 +54,8 @@ # define bcopy(s, d, n) memcpy ((d), (s), (n)) #endif +#include "hashval.h" + extern void *xmalloc (size_t __n); extern void *xcalloc (size_t __n, size_t __m); @@ -72,7 +74,6 @@ static void insert_entry_2 (hash_table *htab, const void *key, size_t keylen, unsigned long hval, size_t idx, void *data); static size_t lookup (const hash_table *htab, const void *key, size_t keylen, unsigned long int hval); -static unsigned long compute_hashval (const void *key, size_t keylen); static int is_prime (unsigned long int candidate); @@ -297,30 +298,7 @@ lookup (htab, key, keylen, hval) } -static unsigned long -compute_hashval (key, keylen) - const void *key; - size_t keylen; -{ - size_t cnt; - unsigned long int hval; - - /* Compute the hash value for the given string. The algorithm - is taken from [Aho,Sethi,Ullman], modified to reduce the number of - collisions for short strings with very varied bit patterns. - See http://www.clisp.org/haible/hashfunc.html. */ - cnt = 0; - hval = keylen; - while (cnt < keylen) - { - hval = (hval << 9) | (hval >> (LONGBITS - 9)); - hval += (unsigned long int) *(((char *) key) + cnt++); - } - return hval != 0 ? hval : ~((unsigned long) 0); -} - - -unsigned long +unsigned long int next_prime (seed) unsigned long int seed; { |