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
|
/* ISC license. */
#include <skalibs/sysdeps.h>
#include <errno.h>
#include <stdlib.h>
#include <skalibs/alloc.h>
#include "alloc-internal.h"
#ifdef DEBUG_ALLOC
# include "buffer.h"
# include "strerr2.h"
# include "lolstdio.h"
# define PLM(...) (bprintf(buffer_2, "%s: debug_alloc: ", PROG), bprintf(buffer_2, __VA_ARGS__), buffer_putflush(buffer_2, "\n", 1))
#endif
aligned_char *alloc (size_t n)
{
aligned_char *p = n ? (aligned_char *)malloc(n) : (aligned_char *)alloc_0 ;
#ifdef DEBUG_ALLOC
static unsigned int counter = 0 ;
PLM("alloc(%u): %p. Allocated: %u", n, p, ++counter) ;
#endif
return p ;
}
void alloc_free (void *p)
{
int e = errno ;
#ifdef DEBUG_ALLOC
static unsigned int counter = 0 ;
PLM("alloc_free(%p). Freed: %u", p, ++counter) ;
#endif
#ifndef SKALIBS_HASMALLOC0
if (p != alloc_0)
#endif
free(p) ;
errno = e ;
}
int alloc_realloc (aligned_char **x, size_t n)
{
aligned_char *y = n ? (aligned_char *)realloc(*x, n) : (free(*x), alloc_0) ;
#ifdef DEBUG_ALLOC
PLM("alloc_realloc(&%p) -> new address = %p", *x, y) ;
#endif
if (!y) return 0 ;
*x = y ;
return 1 ;
}
|
