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/* Copyright (C) 2000-2020 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#include <errno.h>
#include <spawn.h>
#include <stdlib.h>
#include <string.h>
#include "spawn_int.h"
/* Function used to increase the size of the allocated array. This
function is called from the `add'-functions. */
int
__posix_spawn_file_actions_realloc (posix_spawn_file_actions_t *file_actions)
{
int newalloc = file_actions->__allocated + 8;
void *newmem = realloc (file_actions->__actions,
newalloc * sizeof (struct __spawn_action));
if (newmem == NULL)
/* Not enough memory. */
return ENOMEM;
file_actions->__actions = (struct __spawn_action *) newmem;
file_actions->__allocated = newalloc;
return 0;
}
/* Initialize data structure for file attribute for `spawn' call. */
int
__posix_spawn_file_actions_init (posix_spawn_file_actions_t *file_actions)
{
/* Simply clear all the elements. */
memset (file_actions, '\0', sizeof (*file_actions));
return 0;
}
weak_alias (__posix_spawn_file_actions_init, posix_spawn_file_actions_init)
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