1 /*
2 * aprsc
3 *
4 * (c) Heikki Hannikainen, OH7LZB <hessu@hes.iki.fi>
5 *
6 * This program is licensed under the BSD license, which can be found
7 * in the file LICENSE.
8 *
9 */
10
11 /*
12 * Replacements for malloc, realloc and free, which never fail,
13 * and might keep statistics on memory allocation...
14 */
15
16 #include <pthread.h>
17 #include <unistd.h>
18 #include <string.h>
19 #include <stdio.h>
20
21 #include "hmalloc.h"
22
23 int mem_panic = 0;
24
hmalloc(size_t size)25 void *hmalloc(size_t size)
26 {
27 void *p;
28
29 if (!(p = malloc(size))) {
30 if (mem_panic)
31 exit(1); /* To prevent a deadlock */
32 mem_panic = 1;
33 fprintf(stderr, "hmalloc: Out of memory! Could not allocate %d bytes.", (int)size);
34 exit(1);
35 }
36
37 return p;
38 }
39
hrealloc(void * ptr,size_t size)40 void *hrealloc(void *ptr, size_t size)
41 {
42 void *p;
43
44 if (!(p = realloc(ptr, size))) {
45 if (mem_panic)
46 exit(1);
47 mem_panic = 1;
48 fprintf(stderr, "hrealloc: Out of memory! Could not reallocate %d bytes.", (int)size);
49 exit(1);
50 }
51
52 return p;
53 }
54
hfree(void * ptr)55 void hfree(void *ptr)
56 {
57 if (ptr)
58 free(ptr);
59 }
60
hstrdup(const char * s)61 char *hstrdup(const char *s)
62 {
63 char *p;
64
65 p = hmalloc(strlen(s)+1);
66 strcpy(p, s);
67
68 return p;
69 }
70
71