gnu/dist/gettext/gettext-tools/lib/hash.h

   1 /* Copyright (C) 1995, 2000-2003 Free Software Foundation, Inc.
   2
   3    The GNU C Library is free software; you can redistribute it and/or
   4    modify it under the terms of the GNU Library General Public License as
   5    published by the Free Software Foundation; either version 2 of the
   6    License, or (at your option) any later version.
   7
   8    The GNU C Library is distributed in the hope that it will be useful,
   9    but WITHOUT ANY WARRANTY; without even the implied warranty of
  10    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11    Library General Public License for more details.
  12
  13    You should have received a copy of the GNU Library General Public
  14    License along with the GNU C Library; see the file COPYING.LIB.  If
  15    not, write to the Free Software Foundation, Inc., 59 Temple Place
  16    - Suite 330, Boston, MA 02111-1307, USA.  */
  17
  18 #ifndef _HASH_H
  19 #define _HASH_H
  20
  21 #include <obstack.h>
  22
  23 #ifdef __cplusplus
  24 extern "C" {
  25 #endif
  26
  27 typedef struct hash_table
  28 {
  29   unsigned long int size;
  30   unsigned long int filled;
  31   void *first;
  32   void *table;
  33   struct obstack mem_pool;
  34 }
  35 hash_table;
  36
  37 extern int init_hash (hash_table *htab, unsigned long int init_size);
  38 extern int delete_hash (hash_table *htab);
  39 extern int insert_entry (hash_table *htab,
  40                          const void *key, size_t keylen,
  41                          void *data);
  42 extern int find_entry (hash_table *htab,
  43                        const void *key, size_t keylen,
  44                        void **result);
  45
  46 extern int iterate_table (hash_table *htab, void **ptr,
  47                           const void **key, size_t *keylen,
  48                           void **data);
  49
  50 extern unsigned long int next_prime (unsigned long int seed);
  51
  52 #ifdef __cplusplus
  53 }
  54 #endif
  55
  56 #endif /* not _HASH_H */