Branch data Line data Source code
1 : : /*
2 : : * The MIT License (MIT)
3 : : *
4 : : * Copyright (c) 2015 Mikkel F. Jørgensen, dvide.com
5 : : *
6 : : * Permission is hereby granted, free of charge, to any person obtaining a copy
7 : : * of this software and associated documentation files (the "Software"), to deal
8 : : * in the Software without restriction, including without limitation the rights
9 : : * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 : : * copies of the Software, and to permit persons to whom the Software is
11 : : * furnished to do so, subject to the following conditions:
12 : : *
13 : : * The above copyright notice and this permission notice shall be included in all
14 : : * copies or substantial portions of the Software.
15 : : *
16 : : * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 : : * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 : : * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
19 : : * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 : : * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 : : * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
22 : : * SOFTWARE.
23 : : */
24 : :
25 : : #include <string.h>
26 : :
27 : : #include "str_set.h"
28 : : #include "hash_table_def.h"
29 [ + - ]: 615 : DEFINE_HASH_TABLE(str_set)
30 : : #if defined(STR_SET_SRH)
31 : : #include "hash_table_impl_rh.h"
32 : : #elif defined(STR_SET_SRH)
33 : : #include "hash_table_impl_srh.h"
34 : : #else
35 : : #include "hash_table_impl.h"
36 : : #endif
37 : :
38 : : /*
39 : : * Simple default implementation of a hash set. The stored items are
40 : : * zero-terminated strings. The hash table does not manage the
41 : : * allocation of the strings, like it doesn't manage any stored items.
42 : : * However, it items are created with, say, strndup, a destructor can be
43 : : * provided to free each item when clearing the table. The remove
44 : : * operation also returns the removed item so it can be deallocated by
45 : : * callee.
46 : : *
47 : : * In general, the key and the item are different, but here they are the
48 : : * same. Normally the key would be referenced by the item.
49 : : */
50 : : static inline int ht_match(const void *key, size_t len, str_set_item_t item)
51 : : {
52 : 69 : return strncmp(key, item, len) == 0;
53 : : }
54 : :
55 : : static inline const void *ht_key(str_set_item_t item)
56 : : {
57 : : return (const void *)item;
58 : : }
59 : :
60 : : static inline size_t ht_key_len(str_set_item_t item)
61 : : {
62 : 238 : return strlen(item);
63 : : }
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