src/cx/array_list.h

Tue, 17 Sep 2024 23:19:03 +0200

author
Mike Becker <universe@uap-core.de>
date
Tue, 17 Sep 2024 23:19:03 +0200
changeset 885
878a450e79bd
parent 884
d375d8056262
child 886
5f5514bb104b
permissions
-rw-r--r--

fixes incorrect result from cx_array_binary_search() when searched element is smaller than the entire array

relates to #424

606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
1 /*
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
2 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
3 *
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
4 * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
5 *
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
6 * Redistribution and use in source and binary forms, with or without
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
7 * modification, are permitted provided that the following conditions are met:
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
8 *
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
9 * 1. Redistributions of source code must retain the above copyright
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
10 * notice, this list of conditions and the following disclaimer.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
11 *
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
12 * 2. Redistributions in binary form must reproduce the above copyright
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
13 * notice, this list of conditions and the following disclaimer in the
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
14 * documentation and/or other materials provided with the distribution.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
15 *
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
17 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
26 * POSSIBILITY OF SUCH DAMAGE.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
27 */
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
28 /**
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
29 * \file array_list.h
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
30 * \brief Array list implementation.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
31 * \details Also provides several low-level functions for custom array list implementations.
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
32 * \author Mike Becker
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
33 * \author Olaf Wintermann
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
34 * \copyright 2-Clause BSD License
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
35 */
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
36
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
37
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
38 #ifndef UCX_ARRAY_LIST_H
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
39 #define UCX_ARRAY_LIST_H
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
40
617
cec11387c1be fix include in array_list.h
Olaf Wintermann <olaf.wintermann@gmail.com>
parents: 612
diff changeset
41 #include "list.h"
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
42
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
43 #ifdef __cplusplus
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
44 extern "C" {
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
45 #endif
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
46
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
47 /**
807
c8d692131b1e remove flags to disable SBO in tests - fix #343 fix #358
Mike Becker <universe@uap-core.de>
parents: 804
diff changeset
48 * The maximum item size in an array list that fits into stack buffer when swapped.
804
5136f2fc32ec add CX_DISABLE_ARRAY_LIST_SWAP_SBO flag
Mike Becker <universe@uap-core.de>
parents: 795
diff changeset
49 */
807
c8d692131b1e remove flags to disable SBO in tests - fix #343 fix #358
Mike Becker <universe@uap-core.de>
parents: 804
diff changeset
50 extern unsigned cx_array_swap_sbo_size;
804
5136f2fc32ec add CX_DISABLE_ARRAY_LIST_SWAP_SBO flag
Mike Becker <universe@uap-core.de>
parents: 795
diff changeset
51
5136f2fc32ec add CX_DISABLE_ARRAY_LIST_SWAP_SBO flag
Mike Becker <universe@uap-core.de>
parents: 795
diff changeset
52 /**
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
53 * Declares variables for an array that can be used with the convenience macros.
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
54 *
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
55 * @see cx_array_simple_add()
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
56 * @see cx_array_simple_copy()
834
04c53b3c8378 capitalize cx_array_declare()
Mike Becker <universe@uap-core.de>
parents: 832
diff changeset
57 * @see cx_array_initialize()
883
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
58 * @see cx_array_simple_add_sorted()
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
59 * @see cx_array_simple_insert_sorted()
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
60 */
834
04c53b3c8378 capitalize cx_array_declare()
Mike Becker <universe@uap-core.de>
parents: 832
diff changeset
61 #define CX_ARRAY_DECLARE(type, name) \
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
62 type * name; \
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
63 size_t name##_size; \
844
3270ea9e41ef fix another superfluous semicolon...
Mike Becker <universe@uap-core.de>
parents: 843
diff changeset
64 size_t name##_capacity
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
65
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
66 /**
834
04c53b3c8378 capitalize cx_array_declare()
Mike Becker <universe@uap-core.de>
parents: 832
diff changeset
67 * Initializes an array declared with CX_ARRAY_DECLARE().
832
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
68 *
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
69 * The memory for the array is allocated with stdlib malloc().
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
70 * @param array the array
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
71 * @param capacity the initial capacity
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
72 */
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
73 #define cx_array_initialize(array, capacity) \
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
74 array##_capacity = capacity; \
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
75 array##_size = 0; \
843
7d2959b7fff2 fix superfluous semicolon
Mike Becker <universe@uap-core.de>
parents: 834
diff changeset
76 array = malloc(sizeof(array[0]) * capacity)
832
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
77
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
78 /**
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
79 * Defines a reallocation mechanism for arrays.
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
80 */
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
81 struct cx_array_reallocator_s {
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
82 /**
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
83 * Reallocates space for the given array.
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
84 *
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
85 * Implementations are not required to free the original array.
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
86 * This allows reallocation of static memory by allocating heap memory
795
00ba1bfa4ab4 fix documentation of reallocator struct
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
87 * and copying the array contents. The information in the custom fields of
00ba1bfa4ab4 fix documentation of reallocator struct
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
88 * the referenced allocator can be used to track the state of the memory
00ba1bfa4ab4 fix documentation of reallocator struct
Mike Becker <universe@uap-core.de>
parents: 763
diff changeset
89 * or to transport other additional data.
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
90 *
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
91 * @param array the array to reallocate
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
92 * @param capacity the new capacity (number of elements)
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
93 * @param elem_size the size of each element
609
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
94 * @param alloc a reference to this allocator
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
95 * @return a pointer to the reallocated memory or \c NULL on failure
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
96 */
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
97 void *(*realloc)(
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
98 void *array,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
99 size_t capacity,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
100 size_t elem_size,
609
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
101 struct cx_array_reallocator_s *alloc
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
102 );
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
103
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
104 /**
609
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
105 * Custom data pointer.
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
106 */
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
107 void *ptr1;
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
108 /**
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
109 * Custom data pointer.
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
110 */
609
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
111 void *ptr2;
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
112 /**
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
113 * Custom data integer.
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
114 */
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
115 size_t int1;
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
116 /**
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
117 * Custom data integer.
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
118 */
6ae8146d9f62 more custom data for array re-allocator
Mike Becker <universe@uap-core.de>
parents: 608
diff changeset
119 size_t int2;
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
120 };
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
121
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
122 /**
817
949908c97474 add cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 807
diff changeset
123 * A default stdlib-based array reallocator.
949908c97474 add cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 807
diff changeset
124 */
818
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
125 extern struct cx_array_reallocator_s *cx_array_default_reallocator;
817
949908c97474 add cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 807
diff changeset
126
949908c97474 add cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 807
diff changeset
127 /**
819
5da2ead43077 rename cx_array_copy_result to just cx_array_result
Mike Becker <universe@uap-core.de>
parents: 818
diff changeset
128 * Return codes for array functions.
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 609
diff changeset
129 */
819
5da2ead43077 rename cx_array_copy_result to just cx_array_result
Mike Becker <universe@uap-core.de>
parents: 818
diff changeset
130 enum cx_array_result {
5da2ead43077 rename cx_array_copy_result to just cx_array_result
Mike Becker <universe@uap-core.de>
parents: 818
diff changeset
131 CX_ARRAY_SUCCESS,
5da2ead43077 rename cx_array_copy_result to just cx_array_result
Mike Becker <universe@uap-core.de>
parents: 818
diff changeset
132 CX_ARRAY_REALLOC_NOT_SUPPORTED,
5da2ead43077 rename cx_array_copy_result to just cx_array_result
Mike Becker <universe@uap-core.de>
parents: 818
diff changeset
133 CX_ARRAY_REALLOC_FAILED,
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 609
diff changeset
134 };
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 609
diff changeset
135
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 609
diff changeset
136 /**
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
137 * Copies elements from one array to another.
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
138 *
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
139 * The elements are copied to the \p target array at the specified \p index,
637
ceadf0792ded remove the untrue restriction for the index parameter of cx_array_copy() from the documentation
Mike Becker <universe@uap-core.de>
parents: 628
diff changeset
140 * overwriting possible elements. The \p index does not need to be in range of
ceadf0792ded remove the untrue restriction for the index parameter of cx_array_copy() from the documentation
Mike Becker <universe@uap-core.de>
parents: 628
diff changeset
141 * the current array \p size. If the new index plus the number of elements added
ceadf0792ded remove the untrue restriction for the index parameter of cx_array_copy() from the documentation
Mike Becker <universe@uap-core.de>
parents: 628
diff changeset
142 * would extend the array's size, and \p capacity is not \c NULL, the remaining
ceadf0792ded remove the untrue restriction for the index parameter of cx_array_copy() from the documentation
Mike Becker <universe@uap-core.de>
parents: 628
diff changeset
143 * capacity is used.
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
144 *
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
145 * If the capacity is insufficient to hold the new data, a reallocation
818
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
146 * attempt is made, unless the \p reallocator is set to \c NULL, in which case
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
147 * this function ultimately returns a failure.
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
148 *
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
149 * @param target a pointer to the target array
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
150 * @param size a pointer to the size of the target array
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
151 * @param capacity a pointer to the target array's capacity -
883
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
152 * \c NULL if only the size shall be used to bound the array (reallocations
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
153 * will NOT be supported in that case)
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
154 * @param index the index where the copied elements shall be placed
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
155 * @param src the source array
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
156 * @param elem_size the size of one element
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
157 * @param elem_count the number of elements to copy
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
158 * @param reallocator the array reallocator to use, or \c NULL
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
159 * if reallocation shall not happen
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 609
diff changeset
160 * @return zero on success, non-zero error code on failure
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
161 */
819
5da2ead43077 rename cx_array_copy_result to just cx_array_result
Mike Becker <universe@uap-core.de>
parents: 818
diff changeset
162 enum cx_array_result cx_array_copy(
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
163 void **target,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
164 size_t *size,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
165 size_t *capacity,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
166 size_t index,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
167 void const *src,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
168 size_t elem_size,
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
169 size_t elem_count,
610
de5d3ee6435f #219 array list: implement add and at
Mike Becker <universe@uap-core.de>
parents: 609
diff changeset
170 struct cx_array_reallocator_s *reallocator
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
171 ) __attribute__((__nonnull__(1, 2, 5)));
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
172
818
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
173 /**
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
174 * Convenience macro that uses cx_array_copy() with a default layout and the default reallocator.
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
175 *
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
176 * @param array the name of the array (NOT a pointer to the array)
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
177 * @param index the index where the copied elements shall be placed
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
178 * @param src the source array
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
179 * @param count the number of elements to copy
883
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
180 * @see CX_ARRAY_DECLARE()
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
181 */
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
182 #define cx_array_simple_copy(array, index, src, count) \
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
183 cx_array_copy((void**)&(array), &(array##_size), &(array##_capacity), \
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
184 index, src, sizeof((array)[0]), count, cx_array_default_reallocator)
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
185
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
186 /**
818
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
187 * Adds an element to an array with the possibility of allocating more space.
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
188 *
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
189 * The element \p elem is added to the end of the \p target array which containing
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
190 * \p size elements, already. The \p capacity must not be \c NULL and point a
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
191 * variable holding the current maximum number of elements the array can hold.
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
192 *
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
193 * If the capacity is insufficient to hold the new element, and the optional
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
194 * \p reallocator is not \c NULL, an attempt increase the \p capacity is made
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
195 * and the new capacity is written back.
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
196 *
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
197 * @param target a pointer to the target array
818
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
198 * @param size a pointer to the size of the target array
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
199 * @param capacity a pointer to the target array's capacity - must not be \c NULL
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
200 * @param elem_size the size of one element
832
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
201 * @param elem a pointer to the element to add
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
202 * @param reallocator the array reallocator to use, or \c NULL if reallocation shall not happen
818
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
203 * @return zero on success, non-zero error code on failure
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
204 */
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
205 #define cx_array_add(target, size, capacity, elem_size, elem, reallocator) \
2be8fe3d5a2d add cx_array_add() + fix type of cx_array_default_reallocator
Mike Becker <universe@uap-core.de>
parents: 817
diff changeset
206 cx_array_copy((void**)(target), size, capacity, *(size), elem, elem_size, 1, reallocator)
623
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
207
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
208 /**
883
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
209 * Convenience macro that uses cx_array_add() with a default layout and
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
210 * the default reallocator.
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
211 *
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
212 * @param array the name of the array (NOT a pointer to the array)
832
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
213 * @param elem the element to add (NOT a pointer, address is automatically taken)
883
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
214 * @see CX_ARRAY_DECLARE()
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
215 */
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
216 #define cx_array_simple_add(array, elem) \
832
97df2e4c68fb make cx_array_simple_add() automatically take the address of the element
Mike Becker <universe@uap-core.de>
parents: 831
diff changeset
217 cx_array_simple_copy(array, array##_size, &(elem), 1)
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
218
883
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
219
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
220 /**
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
221 * Inserts a sorted array into another sorted array.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
222 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
223 * If either the target or the source array is not already sorted with respect
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
224 * to the specified \p cmp_func, the behavior is undefined.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
225 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
226 * If the capacity is insufficient to hold the new data, a reallocation
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
227 * attempt is made.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
228 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
229 * @param target a pointer to the target array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
230 * @param size a pointer to the size of the target array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
231 * @param capacity a pointer to the target array's capacity
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
232 * @param cmp_func the compare function for the elements
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
233 * @param src the source array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
234 * @param elem_size the size of one element
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
235 * @param elem_count the number of elements to insert
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
236 * @param reallocator the array reallocator to use
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
237 * @return zero on success, non-zero error code on failure
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
238 */
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
239 enum cx_array_result cx_array_insert_sorted(
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
240 void **target,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
241 size_t *size,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
242 size_t *capacity,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
243 cx_compare_func cmp_func,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
244 void const *src,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
245 size_t elem_size,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
246 size_t elem_count,
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
247 struct cx_array_reallocator_s *reallocator
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
248 ) __attribute__((__nonnull__));
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
249
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
250 /**
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
251 * Inserts an element into a sorted array.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
252 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
253 * If the target array is not already sorted with respect
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
254 * to the specified \p cmp_func, the behavior is undefined.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
255 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
256 * If the capacity is insufficient to hold the new data, a reallocation
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
257 * attempt is made.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
258 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
259 * @param target a pointer to the target array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
260 * @param size a pointer to the size of the target array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
261 * @param capacity a pointer to the target array's capacity
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
262 * @param elem_size the size of one element
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
263 * @param elem a pointer to the element to add
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
264 * @param reallocator the array reallocator to use
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
265 * @return zero on success, non-zero error code on failure
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
266 */
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
267 #define cx_array_add_sorted(target, size, capacity, elem_size, elem, cmp_func, reallocator) \
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
268 cx_array_insert_sorted((void**)(target), size, capacity, cmp_func, elem, elem_size, 1, reallocator)
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
269
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
270 /**
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
271 * Convenience macro for cx_array_add_sorted() with a default
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
272 * layout and the default reallocator.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
273 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
274 * @param array the name of the array (NOT a pointer to the array)
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
275 * @param elem the element to add (NOT a pointer, address is automatically taken)
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
276 * @param cmp_func the compare function for the elements
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
277 * @see CX_ARRAY_DECLARE()
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
278 */
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
279 #define cx_array_simple_add_sorted(array, elem, cmp_func) \
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
280 cx_array_add_sorted(&array, &(array##_size), &(array##_capacity), \
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
281 sizeof((array)[0]), &(elem), cmp_func, cx_array_default_reallocator)
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
282
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
283 /**
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
284 * Convenience macro for cx_array_insert_sorted() with a default
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
285 * layout and the default reallocator.
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
286 *
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
287 * @param array the name of the array (NOT a pointer to the array)
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
288 * @param src pointer to the source array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
289 * @param n number of elements in the source array
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
290 * @param cmp_func the compare function for the elements
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
291 * @see CX_ARRAY_DECLARE()
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
292 */
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
293 #define cx_array_simple_insert_sorted(array, src, n, cmp_func) \
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
294 cx_array_insert_sorted((void**)(&array), &(array##_size), &(array##_capacity), \
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
295 cmp_func, src, sizeof((array)[0]), n, cx_array_default_reallocator)
3012e9b4214e add low level cx_array_insert_sorted() and convenience macros
Mike Becker <universe@uap-core.de>
parents: 855
diff changeset
296
884
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
297
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
298 /**
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
299 * Searches the largest lower bound in a sorted array.
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
300 *
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
301 * In other words, this function returns the index of the largest element
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
302 * in \p arr that is less or equal to \p elem with respect to \p cmp_func.
885
878a450e79bd fixes incorrect result from cx_array_binary_search() when searched element is smaller than the entire array
Mike Becker <universe@uap-core.de>
parents: 884
diff changeset
303 * When no such element exists, \p size is returned.
884
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
304 *
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
305 * If \p elem is contained in the array, this is identical to
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
306 * #cx_array_binary_search().
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
307 *
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
308 * If the array is not sorted with respect to the \p cmp_func, the behavior
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
309 * is undefined.
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
310 *
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
311 * @param arr the array to search
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
312 * @param size the size of the array
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
313 * @param elem_size the size of one element
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
314 * @param elem the element to find
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
315 * @param cmp_func the compare function
885
878a450e79bd fixes incorrect result from cx_array_binary_search() when searched element is smaller than the entire array
Mike Becker <universe@uap-core.de>
parents: 884
diff changeset
316 * @return the index of the largest upper bound, or \p size
884
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
317 */
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
318 size_t cx_array_binary_search_inf(
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
319 void const *arr,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
320 size_t size,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
321 size_t elem_size,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
322 void const *elem,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
323 cx_compare_func cmp_func
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
324 ) __attribute__((__nonnull__));
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
325
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
326 /**
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
327 * Searches an item in a sorted array.
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
328 *
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
329 * If the array is not sorted with respect to the \p cmp_func, the behavior
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
330 * is undefined.
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
331 *
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
332 * @param arr the array to search
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
333 * @param size the size of the array
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
334 * @param elem_size the size of one element
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
335 * @param elem the element to find
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
336 * @param cmp_func the compare function
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
337 * @return the index of the element in the array, or \p size if the element
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
338 * cannot be found
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
339 */
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
340 __attribute__((__nonnull__))
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
341 static inline size_t cx_array_binary_search(
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
342 void const *arr,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
343 size_t size,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
344 size_t elem_size,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
345 void const *elem,
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
346 cx_compare_func cmp_func
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
347 ) {
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
348 size_t index = cx_array_binary_search_inf(
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
349 arr, size, elem_size, elem, cmp_func
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
350 );
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
351 char const *found = ((char const *) arr) + index * elem_size;
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
352 if (cmp_func(found, elem) == 0) {
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
353 return index;
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
354 } else {
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
355 return size;
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
356 }
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
357 }
d375d8056262 add cx_array_binary_search() - fixes #424
Mike Becker <universe@uap-core.de>
parents: 883
diff changeset
358
831
7970eac1c598 add convenience macros for cx_array_*
Mike Becker <universe@uap-core.de>
parents: 819
diff changeset
359 /**
623
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
360 * Swaps two array elements.
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
361 *
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
362 * @param arr the array
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
363 * @param elem_size the element size
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
364 * @param idx1 index of first element
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
365 * @param idx2 index of second element
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
366 */
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
367 void cx_array_swap(
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
368 void *arr,
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
369 size_t elem_size,
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
370 size_t idx1,
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
371 size_t idx2
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
372 ) __attribute__((__nonnull__));
21082350a590 #219 array list: implement reverse
Mike Becker <universe@uap-core.de>
parents: 617
diff changeset
373
608
2e93521145ac proposal for a low level array copy
Mike Becker <universe@uap-core.de>
parents: 606
diff changeset
374 /**
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
375 * Allocates an array list for storing elements with \p elem_size bytes each.
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
376 *
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
377 * If \p elem_size is CX_STORE_POINTERS, the created list will be created as if
763
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 759
diff changeset
378 * cxListStorePointers() was called immediately after creation and the compare
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 759
diff changeset
379 * function will be automatically set to cx_cmp_ptr(), if none is given.
669
dce9b8450656 add docs for CX_STORE_POINTERS and remove cxHashMapCreateForPointers()
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
380 *
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
381 * @param allocator the allocator for allocating the list memory
670
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 669
diff changeset
382 * (if \c NULL the cxDefaultAllocator will be used)
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
383 * @param comparator the comparator for the elements
763
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 759
diff changeset
384 * (if \c NULL, and the list is not storing pointers, sort and find
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 759
diff changeset
385 * functions will not work)
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
386 * @param elem_size the size of each element in bytes
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
387 * @param initial_capacity the initial number of elements the array can store
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
388 * @return the created list
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
389 */
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
390 CxList *cxArrayListCreate(
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
391 CxAllocator const *allocator,
677
b09aae58bba4 refactoring of collections to make use of destructors in map implementations
Mike Becker <universe@uap-core.de>
parents: 670
diff changeset
392 cx_compare_func comparator,
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
393 size_t elem_size,
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
394 size_t initial_capacity
670
4ad8ea3aee49 allow NULL for allocator and comparator
Mike Becker <universe@uap-core.de>
parents: 669
diff changeset
395 );
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
396
662
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
397 /**
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
398 * Allocates an array list for storing elements with \p elem_size bytes each.
662
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
399 *
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
400 * The list will use the cxDefaultAllocator and \em NO compare function.
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
401 * If you want to call functions that need a compare function, you have to
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
402 * set it immediately after creation or use cxArrayListCreate().
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
403 *
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
404 * If \p elem_size is CX_STORE_POINTERS, the created list will be created as if
763
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 759
diff changeset
405 * cxListStorePointers() was called immediately after creation and the compare
741a2040fa33 make cx_cmp_ptr default comparator for pointer lists - relates to #340
Mike Becker <universe@uap-core.de>
parents: 759
diff changeset
406 * function will be automatically set to cx_cmp_ptr().
669
dce9b8450656 add docs for CX_STORE_POINTERS and remove cxHashMapCreateForPointers()
Mike Becker <universe@uap-core.de>
parents: 662
diff changeset
407 *
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
408 * @param elem_size the size of each element in bytes
662
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
409 * @param initial_capacity the initial number of elements the array can store
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
410 * @return the created list
d0d95740071b add simple functions for creating lists
Mike Becker <universe@uap-core.de>
parents: 637
diff changeset
411 */
855
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
412 #define cxArrayListCreateSimple(elem_size, initial_capacity) \
35bcb3216c0d fix inconsistent use of item_size and elem_size
Mike Becker <universe@uap-core.de>
parents: 844
diff changeset
413 cxArrayListCreate(NULL, NULL, elem_size, initial_capacity)
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
414
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
415 #ifdef __cplusplus
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 623
diff changeset
416 } // extern "C"
606
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
417 #endif
314e9288af2f add array list tests
Mike Becker <universe@uap-core.de>
parents:
diff changeset
418
628
1e2be40f0cb5 use //-style single line comments everywhere
Mike Becker <universe@uap-core.de>
parents: 623
diff changeset
419 #endif // UCX_ARRAY_LIST_H

mercurial