lib/gl_anyhash1.h

   1 /* Hash table for sequential list, set, and map data type.
   2    Copyright (C) 2006, 2009-2019 Free Software Foundation, Inc.
   3    Written by Bruno Haible <bruno@clisp.org>, 2006.
   4
   5    This program is free software: you can redistribute it and/or modify
   6    it under the terms of the GNU General Public License as published by
   7    the Free Software Foundation; either version 3 of the License, or
   8    (at your option) any later version.
   9
  10    This program 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
  13    GNU General Public License for more details.
  14
  15    You should have received a copy of the GNU General Public License
  16    along with this program.  If not, see <https://www.gnu.org/licenses/>.  */
  17
  18 /* Common code of
  19    gl_linkedhash_list.c, gl_avltreehash_list.c, gl_rbtreehash_list.c,
  20    gl_linkedhash_set.c, gl_hash_set.c,
  21    gl_linkedhash_map.c, gl_hash_map.c.  */
  22
  23 /* Hash table entry.  */
  24 struct gl_hash_entry
  25 {
  26   struct gl_hash_entry *hash_next;  /* chain of entries in same bucket */
  27   size_t hashcode;                  /* cache of the hash code of
  28                                        - the key (for map data type) or
  29                                        - the value (for list, set data types) */
  30 };
  31 typedef struct gl_hash_entry * gl_hash_entry_t;