source: trunk/mondo/src/lib/mr_mem.c @ 1074

Last change on this file since 1074 was 1074, checked in by bruno, 12 years ago

This version of trunk desn't seg fault on mr_msg anymore.
Still not ready for 3.0.0 but improvements ongoing

  • Property svn:eol-style set to native
File size: 1.5 KB
Line 
1/*
2 * $Id$
3 *
4 * Code (c)2006 Bruno Cornec <bruno@mondorescue.org>
5 *
6 *     Main file of mr_mem : a very small and simple
7 *     library for memory management
8 *
9 * Provided under the GPLv2
10 */
11
12#ifndef _GNU_SOURCE
13#define _GNU_SOURCE
14#endif
15
16#include <stdio.h>
17#include <stdlib.h>
18
19#include "mr_err.h"
20#include "mr_msg.h"
21
22/*
23 * Function that frees memory if necessary
24 */
25void mr_free(void *allocated) {
26
27    /* free man pages says that if allocated is NULL
28     * nothing happens
29     */
30    free(allocated);
31    allocated = NULL;
32}
33
34/* encapsulation function for malloc */
35void *mr_malloc(size_t size) {
36   
37    void *ret;
38
39    ret = malloc(size);
40    if (ret == NULL) {
41        mr_log_exit(-1,"Unable to alloc memory in mr_malloc\nExiting...");
42    }
43    return(ret);
44}
45
46/* encapsulation function for getline */
47void mr_getline(char **lineptr, size_t *n, FILE *stream) {
48   
49    ssize_t ret;
50
51    ret = getline(lineptr,n,stream);
52    if (ret == -1) {
53        mr_log_exit(-1,"Unable to alloc memory in mr_getline\nExiting...");
54    }
55}
56
57/* encapsulation function for asprintf */
58void mr_asprintf(char **strp, const char *fmt, ...) {
59
60    int res = 0;
61    va_list args;
62
63    va_start(args,fmt);
64    res = vasprintf(strp, fmt, args);
65    if (res == -1) {
66        mr_log_exit(-1,"Unable to alloc memory in mr_asprintf\nExiting...");
67    }
68    va_end(args);
69}
70
71/*
72 * Function that properly allocates a string from another one
73 * freeing it before in any case
74 */
75void mr_allocstr(char *alloc, const char *orig) {
76
77    mr_free((void *)alloc); 
78    mr_asprintf(&alloc, orig);
79}
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