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/* Add a directory change to a file action list for posix_spawn.
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 <string.h>
#include "spawn_int.h"
int
posix_spawn_file_actions_addfchdir_np (posix_spawn_file_actions_t *actions,
int fd)
{
struct __spawn_action *rec;
/* Allocate more memory if needed. */
if (actions->__used == actions->__allocated
&& __posix_spawn_file_actions_realloc (actions) != 0)
/* This can only mean we ran out of memory. */
return ENOMEM;
/* Add the new value. */
rec = &actions->__actions[actions->__used];
rec->tag = spawn_do_fchdir;
rec->action.fchdir_action.fd = fd;
/* Account for the new entry. */
++actions->__used;
return 0;
}
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