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
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* Copyright (C) 2025 Aryadev Chavali
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the Unlicense for details.
* You may distribute and modify this code under the terms of the Unlicense,
* which you should have received a copy of along with this program. If not,
* please go to <https://unlicense.org/>.
* Created: 2025-08-19
* Description: Inline Vector implementation
*/
#include <malloc.h>
#include <string.h>
#include "./alisp.h"
void ivec_make(void **ptr, u64 size)
{
if (!ptr)
return;
ivec_t *ivector = calloc(1, sizeof(*ivector) + size);
ivector->size = 0;
ivector->capacity = size;
*ptr = (ivector + 1);
}
void ivec_free(void **data)
{
if (!data || !*data)
return;
free(IVEC_GET(*data));
*data = NULL;
}
void ivec_ensure_free(void **ptr, u64 space)
{
if (!ptr || !*ptr)
return;
ivec_t *ivec = IVEC_GET(*ptr);
if (ivec->capacity - ivec->size < space)
{
void *new_ivec = NULL;
ivec_make(&new_ivec, MAX(ivec->capacity * IVEC_MULT, ivec->size + space));
IVEC_SIZE(new_ivec) = ivec->size;
memcpy(new_ivec, *ptr, ivec->size);
ivec_free(ptr);
*ptr = new_ivec;
}
}
void ivec_append_byte(void **ptr, u8 byte)
{
ivec_ensure_free(ptr, 1);
ivec_t *ivec = IVEC_GET(*ptr);
ivec->bytes[ivec->size++] = byte;
}
void ivec_append(void **ptr, void *data, u64 size)
{
ivec_ensure_free(ptr, size);
ivec_t *ivec = IVEC_GET(*ptr);
memcpy(*ptr + ivec->size, data, size);
ivec->size += size;
}
void ivec_clone(void **dest, void **src)
{
if (!dest || !src || !*src)
return;
ivec_make(dest, IVEC_SIZE(*src));
memcpy(*dest, *src, IVEC_SIZE(*src));
IVEC_SIZE(*dest) = IVEC_SIZE(*src);
}
|
