ucx
UAP Common Extensions
Loading...
Searching...
No Matches
hash_map.h
Go to the documentation of this file.
1/*
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
3 *
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
37#ifndef UCX_HASH_MAP_H
38#define UCX_HASH_MAP_H
39
40#include "map.h"
41
42#ifdef __cplusplus
43extern "C" {
44#endif
45
47struct cx_hash_map_element_s;
48
56 struct cx_map_s base;
60 struct cx_hash_map_element_s **buckets;
65};
66
67
85__attribute__((__nonnull__, __warn_unused_result__))
87 CxAllocator const *allocator,
88 size_t itemsize,
89 size_t buckets
90);
91
105#define cxHashMapCreateSimple(itemsize) \
106 cxHashMapCreate(cxDefaultAllocator, itemsize, 0)
107
126__attribute__((__nonnull__))
128
129
130#ifdef __cplusplus
131} // extern "C"
132#endif
133
134#endif // UCX_HASH_MAP_H
#define __attribute__(x)
Removes GNU C attributes where they are not supported.
Definition: common.h:127
CxMap * cxHashMapCreate(CxAllocator const *allocator, size_t itemsize, size_t buckets)
Creates a new hash map with the specified number of buckets.
int cxMapRehash(CxMap *map)
Increases the number of buckets, if necessary.
Interface for map implementations.
Structure holding the data for an allocator.
Definition: allocator.h:86
Internal structure for a hash map.
Definition: hash_map.h:52
size_t bucket_count
The number of buckets.
Definition: hash_map.h:64
struct cx_hash_map_element_s ** buckets
The buckets of this map, each containing a linked list of elements.
Definition: hash_map.h:60
struct cx_map_s base
Base structure for maps.
Definition: hash_map.h:56
Structure for the UCX map.
Definition: map.h:59