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
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
|
/*
* Copyright (c) 2025 Ian Marco Moffett and the Osmora Team.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Hyra nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <stdlib.h>
#include <ldo/buffer.h>
/*
* Allocate a new zero-filled LDO buffer
*
* @len: Length of buffer
*/
struct ldo_buffer *
ldo_allocz(size_t len)
{
struct ldo_buffer *bp;
/* Verify arguments */
if (len == 0)
return NULL;
if ((bp = malloc(sizeof(*bp))) == NULL)
return NULL;
bp->data = calloc(len, 1);
if (bp->data == NULL) {
free(bp);
return NULL;
}
bp->len = len;
return bp;
}
/*
* Free an LDO buffer.
*
* @bp: Pointer to LDO buffer.
*/
void
ldo_free(struct ldo_buffer *bp)
{
/* Bad pointers? */
if (bp == NULL)
return;
if (bp->data == NULL)
return;
free(bp->data);
free(bp);
}
/*
* Resize an LDO buffer.
*
* @bp: Pointer to LDO buffer.
* @new_len: New length to set.
*/
void
ldo_realloc(struct ldo_buffer *bp, size_t new_len)
{
/* Bad pointers? */
if (bp == NULL)
return;
if (bp->data == NULL)
return;
/* Length cannot be zero */
if (new_len == 0)
return;
bp->data = realloc(bp->data, new_len);
bp->len = new_len;
}
|
