|
1 /* |
|
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
|
3 * |
|
4 * Copyright 2023 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 */ |
|
28 |
|
29 #include "cx/map.h" |
|
30 |
|
31 // <editor-fold desc="empty map implementation"> |
|
32 |
|
33 static void cx_empty_map_noop(__attribute__((__unused__)) CxMap *map) { |
|
34 // this is a noop, but MUST be implemented |
|
35 } |
|
36 |
|
37 static void *cx_empty_map_get( |
|
38 __attribute__((__unused__)) CxMap const *map, |
|
39 __attribute__((__unused__)) CxHashKey key |
|
40 ) { |
|
41 return NULL; |
|
42 } |
|
43 |
|
44 static bool cx_empty_map_iter_valid(__attribute__((__unused__)) void const *iter) { |
|
45 return false; |
|
46 } |
|
47 |
|
48 static CxIterator cx_empty_map_iterator(struct cx_map_s const *map) { |
|
49 CxIterator iter = {0}; |
|
50 iter.src_handle = map; |
|
51 iter.base.valid = cx_empty_map_iter_valid; |
|
52 return iter; |
|
53 } |
|
54 |
|
55 static CxMutIterator cx_empty_map_miterator(struct cx_map_s *map) { |
|
56 CxMutIterator iter = {0}; |
|
57 iter.src_handle = map; |
|
58 iter.base.valid = cx_empty_map_iter_valid; |
|
59 return iter; |
|
60 } |
|
61 |
|
62 static struct cx_map_class_s cx_empty_map_class = { |
|
63 cx_empty_map_noop, |
|
64 cx_empty_map_noop, |
|
65 NULL, |
|
66 cx_empty_map_get, |
|
67 NULL, |
|
68 cx_empty_map_iterator, |
|
69 cx_empty_map_iterator, |
|
70 cx_empty_map_iterator, |
|
71 cx_empty_map_miterator, |
|
72 cx_empty_map_miterator, |
|
73 cx_empty_map_miterator, |
|
74 }; |
|
75 |
|
76 CxMap cx_empty_map = { |
|
77 NULL, |
|
78 NULL, |
|
79 0, |
|
80 0, |
|
81 NULL, |
|
82 NULL, |
|
83 NULL, |
|
84 false, |
|
85 &cx_empty_map_class |
|
86 }; |
|
87 |
|
88 CxMap * const cxEmptyMap = &cx_empty_map; |
|
89 |
|
90 // </editor-fold> |