tommyarrayblk.h
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1 /*
2  * Copyright (c) 2013, Andrea Mazzoleni. All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright
12  * notice, this list of conditions and the following disclaimer in the
13  * documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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25  * POSSIBILITY OF SUCH DAMAGE.
26  */
27 
41 #ifndef __TOMMYARRAYBLK_H
42 #define __TOMMYARRAYBLK_H
43 
44 #include "tommytypes.h"
45 #include "tommyarray.h"
46 
47 #include <assert.h> /* for assert */
48 
49 /******************************************************************************/
50 /* array */
51 
55 #define TOMMY_ARRAYBLK_SIZE (4 * 1024)
56 
61 typedef struct tommy_arrayblk_struct {
65 
70 
75 
81 
87 tommy_inline void** tommy_arrayblk_ref(tommy_arrayblk* array, tommy_count_t pos)
88 {
89  void** ptr;
90 
91  assert(pos < array->count);
92 
93  ptr = tommy_cast(void**, tommy_array_get(&array->block, pos / TOMMY_ARRAYBLK_SIZE));
94 
95  return &ptr[pos % TOMMY_ARRAYBLK_SIZE];
96 }
97 
103 tommy_inline void tommy_arrayblk_set(tommy_arrayblk* array, tommy_count_t pos, void* element)
104 {
105  *tommy_arrayblk_ref(array, pos) = element;
106 }
107 
113 tommy_inline void* tommy_arrayblk_get(tommy_arrayblk* array, tommy_count_t pos)
114 {
115  return *tommy_arrayblk_ref(array, pos);
116 }
117 
121 tommy_inline void tommy_arrayblk_insert(tommy_arrayblk* array, void* element)
122 {
123  tommy_count_t pos = array->count;
124 
125  tommy_arrayblk_grow(array, pos + 1);
126 
127  tommy_arrayblk_set(array, pos, element);
128 }
129 
134 {
135  return array->count;
136 }
137 
142 
143 #endif
144 
void tommy_arrayblk_insert(tommy_arrayblk *array, void *element)
Grows and inserts a new element at the end of the array.
Definition: tommyarrayblk.h:121
tommy_uint32_t tommy_count_t
Generic unsigned integer for counting objects.
Definition: tommytypes.h:67
void tommy_arrayblk_set(tommy_arrayblk *array, tommy_count_t pos, void *element)
Sets the element at the specified position.
Definition: tommyarrayblk.h:103
void tommy_arrayblk_done(tommy_arrayblk *array)
Deinitializes the array.
Dynamic array based on segments of exponential growing size.
void * tommy_arrayblk_get(tommy_arrayblk *array, tommy_count_t pos)
Gets the element at the specified position.
Definition: tommyarrayblk.h:113
struct tommy_arrayblk_struct tommy_arrayblk
Array container type.
#define TOMMY_ARRAYBLK_SIZE
Elements for each block.
Definition: tommyarrayblk.h:55
void * tommy_array_get(tommy_array *array, tommy_count_t pos)
Gets the element at the specified position.
Definition: tommyarray.h:120
tommy_count_t tommy_arrayblk_size(tommy_arrayblk *array)
Gets the initialized size of the array.
Definition: tommyarrayblk.h:133
void ** tommy_arrayblk_ref(tommy_arrayblk *array, tommy_count_t pos)
Gets a reference of the element at the specified position.
Definition: tommyarrayblk.h:87
tommy_count_t count
Number of initialized elements in the array.
Definition: tommyarrayblk.h:63
void tommy_arrayblk_init(tommy_arrayblk *array)
Initializes the array.
tommy_array block
Array of blocks.
Definition: tommyarrayblk.h:62
size_t tommy_size_t
Generic size_t type.
Definition: tommytypes.h:50
Array container type.
Definition: tommyarrayblk.h:61
Array container type.
Definition: tommyarray.h:65
Generic types.
tommy_size_t tommy_arrayblk_memory_usage(tommy_arrayblk *array)
Gets the size of allocated memory.
void tommy_arrayblk_grow(tommy_arrayblk *array, tommy_count_t size)
Grows the size up to the specified value.