1 /* Copyright (C) 2000 Free Software Foundation, Inc.
2    This file is part of the GNU C Library.
3 
4    The GNU C Library is free software; you can redistribute it and/or
5    modify it under the terms of the GNU Lesser General Public
6    License as published by the Free Software Foundation; either
7    version 2.1 of the License, or (at your option) any later version.
8 
9    The GNU C Library is distributed in the hope that it will be useful,
10    but WITHOUT ANY WARRANTY; without even the implied warranty of
11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12    Lesser General Public License for more details.
13 
14    You should have received a copy of the GNU Lesser General Public
15    License along with the GNU C Library; if not, see
16    <http://www.gnu.org/licenses/>.  */
17 
18 #include <errno.h>
19 #include <spawn.h>
20 #include <stdlib.h>
21 #include <string.h>
22 
23 #include "spawn_int.h"
24 
25 
26 /* Function used to increase the size of the allocated array.  This
27    function is called from the `add'-functions.  */
28 int
__posix_spawn_file_actions_realloc(posix_spawn_file_actions_t * file_actions)29 __posix_spawn_file_actions_realloc(posix_spawn_file_actions_t *file_actions)
30 {
31 	int newalloc = file_actions->__allocated + 8;
32 	void *newmem = realloc(file_actions->__actions,
33 			       newalloc * sizeof(struct __spawn_action));
34 
35 	if (newmem == NULL)
36 		/* Not enough memory.  */
37 		return ENOMEM;
38 
39 	file_actions->__actions = (struct __spawn_action *)newmem;
40 	file_actions->__allocated = newalloc;
41 	return 0;
42 }
43