blob: e0d3e84d4a2e714b4b78a2d0e6461ff24bc2695d (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
#include "ut0vec.h"
#ifdef UNIV_NONINL
#include "ut0vec.ic"
#endif
#include <string.h>
/********************************************************************
Create a new vector with the given initial size. */
ib_vector_t*
ib_vector_create(
/*=============*/
/* out: vector */
mem_heap_t* heap, /* in: heap */
ulint size) /* in: initial size */
{
ib_vector_t* vec;
ut_a(size > 0);
vec = mem_heap_alloc(heap, sizeof(*vec));
vec->heap = heap;
vec->data = mem_heap_alloc(heap, sizeof(void*) * size);
vec->used = 0;
vec->total = size;
return(vec);
}
/********************************************************************
Push a new element to the vector, increasing its size if necessary. */
void
ib_vector_push(
/*===========*/
ib_vector_t* vec, /* in: vector */
void* elem) /* in: data element */
{
if (vec->used >= vec->total) {
void** new_data;
ulint new_total = vec->total * 2;
new_data = mem_heap_alloc(vec->heap,
sizeof(void*) * new_total);
memcpy(new_data, vec->data, sizeof(void*) * vec->total);
vec->data = new_data;
vec->total = new_total;
}
vec->data[vec->used] = elem;
vec->used++;
}
|
