lib/xhash.c

   1 /* hash - hashing table processing.
   2
   3    Copyright (C) 2019-2020 Free Software Foundation, Inc.
   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 #include <config.h>
  19
  20 /* Specification.  */
  21 #include "hash.h"
  22
  23 #include "xalloc.h"
  24
  25 /* Same as hash_initialize, but invokes xalloc_die on memory
  26    exhaustion.  */
  27
  28 Hash_table *
  29 hash_xinitialize (size_t candidate, const Hash_tuning *tuning,
  30                   Hash_hasher hasher, Hash_comparator comparator,
  31                   Hash_data_freer data_freer)
  32 {
  33   Hash_table *res =
  34     hash_initialize (candidate, tuning, hasher, comparator, data_freer);
  35   if (!res)
  36     xalloc_die ();
  37   return res;
  38 }
  39
  40 /* Same as hash_insert, but invokes xalloc_die on memory
  41    exhaustion.  */
  42
  43 void *
  44 hash_xinsert (Hash_table *table, void const *entry)
  45 {
  46   void *res = hash_insert (table, entry);
  47   if (!res)
  48     xalloc_die ();
  49   return res;
  50 }