libcutils

libcutils/include/cutils/vector.h
vector.h
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1#ifndef CUTILS_VECTOR_H
2#define CUTILS_VECTOR_H
3
4#define VECTOR_DEFAULT_SIZE 4
5
6#include <stdlib.h>
7#include <string.h>
8#include <cutils/common.h>
9
10typedef struct Vector
11{
12 void** items;
13 size_t capacity;
14 size_t length;
15} Vector;
16
17#define new_vector() vector_with_capacity(VECTOR_DEFAULT_SIZE)
18Vector* vector_with_capacity(size_t capacity);
19void delete_vector(Vector* vector, void(*rmv) (void*));
20
21HEDLEY_INLINE
22static void* vector_at(const Vector* vector, size_t index)
23{
24 return vector->items[index];
25}
26#define vector_pop(vector) vector_pop_at(vector, vector->length-1)
27void* vector_pop_at(Vector* vector, size_t index);
28
29bool vector_insert(Vector* vector, size_t index, void* item);
30#define vector_push(vector, item) vector_insert(vector, vector->length, item)
31
32HEDLEY_INLINE
33static void vector_remove(Vector* vector, size_t index, void (*rmv)(void*))
34{
35 if(index < vector->length)
36 {
37 if(rmv)
38 rmv(vector->items[index]);
39 memmove(vector->items+index, vector->items+index+1, (vector->length-index-1)*sizeof(*vector->items));
40 vector->length--;
41 }
42}
43void vector_remove_range(Vector* vector, size_t index, size_t length, void (*rmv)(void*));
44
45bool vector_adjust_size(Vector* vector, size_t size);
46bool vector_shrink(Vector* vector);
47HEDLEY_NON_NULL(3)
48size_t* vector_find(const Vector* haystack, const void* needle, int (*cmp)(const void*, const void*));
49
50
51#endif /* CUTILS_VECTOR_H */
52