glibc/posix/spawn_faction_destroy.c

52 lines
1.5 KiB
C

/* Copyright (C) 2000-2018 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
<http://www.gnu.org/licenses/>. */
#include <spawn.h>
#include <stdlib.h>
#include "spawn_int.h"
/* Deallocate the file actions. */
int
__posix_spawn_file_actions_destroy (posix_spawn_file_actions_t *file_actions)
{
/* Free the paths in the open actions. */
for (int i = 0; i < file_actions->__used; ++i)
{
struct __spawn_action *sa = &file_actions->__actions[i];
switch (sa->tag)
{
case spawn_do_open:
free (sa->action.open_action.path);
break;
case spawn_do_chdir:
free (sa->action.chdir_action.path);
break;
case spawn_do_close:
case spawn_do_dup2:
/* No cleanup required. */
break;
}
}
/* Free the array of actions. */
free (file_actions->__actions);
return 0;
}
weak_alias (__posix_spawn_file_actions_destroy,
posix_spawn_file_actions_destroy)