+2019-09-09 Akim Demaille <akim@lrde.epita.fr>
+
+ xhash: provide hash_xinitialize.
+ Suggested by Egor Pugin <egor.pugin@gmail.com>
+ https://lists.gnu.org/archive/html/bison-patches/2019-09/msg00026.html
+ * modules/xhash, lib/xhash.c: New.
+ * lib/hash.h (hash_xinitialize): New.
+
2019-09-09 Bruno Haible <bruno@clisp.org>
findprog-in: Make exec optimization optional.
Hash_table *hash_initialize (size_t, const Hash_tuning *,
Hash_hasher, Hash_comparator,
Hash_data_freer) _GL_ATTRIBUTE_WUR;
+Hash_table *hash_xinitialize (size_t, const Hash_tuning *,
+ Hash_hasher, Hash_comparator,
+ Hash_data_freer) _GL_ATTRIBUTE_WUR;
void hash_clear (Hash_table *);
void hash_free (Hash_table *);
--- /dev/null
+/* hash - hashing table processing.
+
+ Copyright (C) 2019 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include "hash.h"
+
+#include "xalloc.h"
+
+/* Same as hash_initialize, but invokes xalloc_die on memory
+ exhaustion. */
+
+Hash_table *
+hash_xinitialize (size_t candidate, const Hash_tuning *tuning,
+ Hash_hasher hasher, Hash_comparator comparator,
+ Hash_data_freer data_freer)
+{
+ Hash_table *res =
+ hash_initialize (candidate, tuning, hasher, comparator, data_freer);
+ if (!res)
+ xalloc_die ();
+ return res;
+}