mesa: Import a copy of the open-addressing hash table code I wrote.
[mesa.git] / src / mesa / main / tests / hash_table / destroy_callback.c
1 /*
2 * Copyright © 2009 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 *
23 * Authors:
24 * Eric Anholt <eric@anholt.net>
25 */
26
27 #include <stdlib.h>
28 #include <stdio.h>
29 #include <string.h>
30 #include <assert.h>
31 #include "hash_table.h"
32
33 static const char *str1 = "test1";
34 static const char *str2 = "test2";
35 static int delete_str1 = 0;
36 static int delete_str2 = 0;
37
38 static void
39 delete_callback(struct hash_entry *entry)
40 {
41 if (strcmp(entry->key, str1) == 0)
42 delete_str1 = 1;
43 else if (strcmp(entry->key, str2) == 0)
44 delete_str2 = 1;
45 else
46 abort();
47 }
48
49 int
50 main(int argc, char **argv)
51 {
52 struct hash_table *ht;
53 uint32_t hash_str1 = _mesa_hash_string(str1);
54 uint32_t hash_str2 = _mesa_hash_string(str2);
55
56 ht = _mesa_hash_table_create(NULL, _mesa_key_string_equal);
57
58 _mesa_hash_table_insert(ht, hash_str1, str1, NULL);
59 _mesa_hash_table_insert(ht, hash_str2, str2, NULL);
60
61 _mesa_hash_table_destroy(ht, delete_callback);
62
63 assert(delete_str1 && delete_str2);
64
65 return 0;
66 }