locale/programs/simple-hash.h

   1 /* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc.
   2    This file is part of the GNU C Library.
   3    Contributed by Ulrich Drepper <drepper@gnu.ai.mit.edu>, 1995.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Library General Public License as
   7    published by the Free Software Foundation; either version 2 of the
   8    License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13    Library General Public License for more details.
  14
  15    You should have received a copy of the GNU Library General Public
  16    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  18    Boston, MA 02111-1307, USA.  */
  19
  20 #ifndef _SIMPLE_HASH_H
  21 #define _SIMPLE_HASH_H
  22
  23 #include <obstack.h>
  24
  25 typedef struct hash_table
  26 {
  27   unsigned long size;
  28   unsigned long filled;
  29   void *first;
  30   void *table;
  31   struct obstack mem_pool;
  32 }
  33 hash_table;
  34
  35
  36 int init_hash __P ((hash_table *htab, unsigned long int init_size));
  37 int delete_hash __P ((hash_table *htab));
  38 int insert_entry __P ((hash_table *htab, const void *key, size_t keylen,
  39                        void *data));
  40 int find_entry __P ((hash_table *htab, const void *key, size_t keylen,
  41                      void **result));
  42 int set_entry __P ((hash_table *htab, const void *key, size_t keylen,
  43                     void *newval));
  44
  45 int iterate_table __P ((hash_table *htab, void **ptr,
  46                         const void **key, size_t *keylen, void **data));
  47
  48 unsigned long next_prime __P ((unsigned long int seed));
  49
  50 #endif /* simple-hash.h */