blob: 4d3a1f8a73592ea7d20551d2fc1b48760177bc31 (
plain)
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
|
# safe-free.c: free with error checking.
#
# Copyright (C) 1992, 2011 Free Software Foundation, Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
#include "config.h"
/* `free' itself does not return an error status. So all we can do here
is check for nulls. */
void
safe_free (address *item)
{
if (item == NULL || *item == NULL)
{
fprintf (stderr, "safe_free: Attempt to free a null item.\n");
abort ();
}
free (*item);
*item = NULL;
}
|
