2 * SPDX-License-Identifier: BSD-2-Clause
4 * Copyright (c) 2015 Nuxi, https://nuxi.nl/
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7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * Thread unsafe interface: use a single process-wide hash table and
34 * forward calls to *_r() functions.
37 static struct hsearch_data global_hashtable;
38 static bool global_hashtable_initialized = false;
51 /* Destroy global hash table if present. */
52 if (global_hashtable_initialized) {
53 hdestroy_r(&global_hashtable);
54 global_hashtable_initialized = false;
59 hsearch(ENTRY item, ACTION action)
63 /* Create global hash table if needed. */
64 if (!global_hashtable_initialized) {
65 if (hcreate_r(0, &global_hashtable) == 0)
67 global_hashtable_initialized = true;
69 if (hsearch_r(item, action, &retval, &global_hashtable) == 0)