| /* 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 <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; |
| } |