1/* Copyright (C) 2000, 2009-2012 Free Software Foundation, Inc.
2   This file is part of the GNU C Library.
3
4   This program is free software: you can redistribute it and/or modify
5   it under the terms of the GNU General Public License as published by
6   the Free Software Foundation; either version 3 of the License, or
7   (at your option) any later version.
8
9   This program 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
12   GNU General Public License for more details.
13
14   You should have received a copy of the GNU General Public License
15   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
16
17#include <config.h>
18
19/* Specification.  */
20#include <spawn.h>
21
22#include <errno.h>
23#include <stdlib.h>
24#include <string.h>
25
26#include "spawn_int.h"
27
28
29/* Function used to increase the size of the allocated array.  This
30   function is called from the 'add'-functions.  */
31int
32__posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions)
33{
34  int newalloc = file_actions->_allocated + 8;
35  void *newmem = realloc (file_actions->_actions,
36                          newalloc * sizeof (struct __spawn_action));
37
38  if (newmem == NULL)
39    /* Not enough memory.  */
40    return ENOMEM;
41
42  file_actions->_actions = (struct __spawn_action *) newmem;
43  file_actions->_allocated = newalloc;
44
45  return 0;
46}
47
48
49/* Initialize data structure for file attribute for 'spawn' call.  */
50int
51posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
52{
53  /* Simply clear all the elements.  */
54  memset (file_actions, '\0', sizeof (*file_actions));
55  return 0;
56}
57