Line data Source code
1 : /* Convenience functions for allocation.
2 : Copyright (C) 2006, 2015 Red Hat, Inc.
3 : This file is part of elfutils.
4 :
5 : This file is free software; you can redistribute it and/or modify
6 : it under the terms of either
7 :
8 : * the GNU Lesser General Public License as published by the Free
9 : Software Foundation; either version 3 of the License, or (at
10 : your option) any later version
11 :
12 : or
13 :
14 : * the GNU General Public License as published by the Free
15 : Software Foundation; either version 2 of the License, or (at
16 : your option) any later version
17 :
18 : or both in parallel, as here.
19 :
20 : elfutils is distributed in the hope that it will be useful, but
21 : WITHOUT ANY WARRANTY; without even the implied warranty of
22 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 : General Public License for more details.
24 :
25 : You should have received copies of the GNU General Public License and
26 : the GNU Lesser General Public License along with this program. If
27 : not, see <http://www.gnu.org/licenses/>. */
28 :
29 : #ifdef HAVE_CONFIG_H
30 : # include <config.h>
31 : #endif
32 :
33 : #include <libintl.h>
34 : #include <stddef.h>
35 : #include <stdlib.h>
36 : #include <sys/types.h>
37 : #include "system.h"
38 :
39 : #ifndef _
40 : # define _(str) gettext (str)
41 : #endif
42 :
43 :
44 : /* Allocate N bytes of memory dynamically, with error checking. */
45 : void *
46 65820 : xmalloc (size_t n)
47 : {
48 65820 : void *p;
49 :
50 65820 : p = malloc (n);
51 65820 : if (p == NULL)
52 0 : error (EXIT_FAILURE, 0, _("memory exhausted"));
53 65820 : return p;
54 : }
55 :
56 :
57 : /* Allocate memory for N elements of S bytes, with error checking. */
58 : void *
59 2390 : xcalloc (size_t n, size_t s)
60 : {
61 2390 : void *p;
62 :
63 2390 : p = calloc (n, s);
64 2390 : if (p == NULL)
65 0 : error (EXIT_FAILURE, 0, _("memory exhausted"));
66 2390 : return p;
67 : }
68 :
69 :
70 : /* Change the size of an allocated block of memory P to N bytes,
71 : with error checking. */
72 : void *
73 293 : xrealloc (void *p, size_t n)
74 : {
75 293 : p = realloc (p, n);
76 293 : if (p == NULL)
77 0 : error (EXIT_FAILURE, 0, _("memory exhausted"));
78 293 : return p;
79 : }
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