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
|
/*
* Copyright (C) 2019 Harald Welte
* File : smpp34_heap.c
* Author: Harald Welte <laforge@gnumonks.org>
*
* This file is part of libsmpp34 (c-open-smpp3.4 library).
*
* The libsmpp34 library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of the
* License, or (at your option) any later version.
*
* This library 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 GNU Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this library; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdbool.h>
#include "smpp34_heap.h"
static void *smpp34_libc_malloc(size_t sz)
{
return malloc(sz);
}
static void *smpp34_libc_realloc(void *ptr, size_t sz)
{
return realloc(ptr, sz);
}
static void smpp34_libc_free(void *ptr)
{
return free(ptr);
}
static bool allocator_used = false;
static struct smpp34_memory_functions smpp34_allocator = {
.malloc_fun = smpp34_libc_malloc,
.realloc_fun = smpp34_libc_realloc,
.free_fun = smpp34_libc_free,
};
void smpp34_set_memory_functions(const struct smpp34_memory_functions *mf)
{
if (allocator_used) {
fprintf(stderr, "%s must be called before first use of smpp34_malloc\n", __func__);
return;
}
smpp34_allocator = *mf;
}
void *smpp34_malloc(size_t sz)
{
allocator_used = true;
return smpp34_allocator.malloc_fun(sz);
}
void *smpp34_realloc(void *ptr, size_t sz)
{
allocator_used = true;
return smpp34_allocator.realloc_fun(ptr, sz);
}
void smpp34_free(void *ptr)
{
smpp34_allocator.free_fun(ptr);
}
|
