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4a938cb2 | 1 | /* Add a directory change to a file action list for posix_spawn. |
dff8da6b | 2 | Copyright (C) 2000-2024 Free Software Foundation, Inc. |
4a938cb2 FW |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
4a938cb2 FW |
18 | |
19 | #include <errno.h> | |
20 | #include <spawn.h> | |
21 | #include <string.h> | |
01bd6251 | 22 | #include <stdlib.h> |
4a938cb2 FW |
23 | #include "spawn_int.h" |
24 | ||
25 | int | |
26 | posix_spawn_file_actions_addchdir_np (posix_spawn_file_actions_t *file_actions, | |
27 | const char *path) | |
28 | { | |
29 | struct __spawn_action *rec; | |
30 | ||
31 | char *path_copy = __strdup (path); | |
32 | if (path_copy == NULL) | |
33 | return ENOMEM; | |
34 | ||
35 | /* Allocate more memory if needed. */ | |
36 | if (file_actions->__used == file_actions->__allocated | |
37 | && __posix_spawn_file_actions_realloc (file_actions) != 0) | |
38 | { | |
39 | /* This can only mean we ran out of memory. */ | |
40 | free (path_copy); | |
41 | return ENOMEM; | |
42 | } | |
43 | ||
44 | /* Add the new value. */ | |
45 | rec = &file_actions->__actions[file_actions->__used]; | |
46 | rec->tag = spawn_do_chdir; | |
47 | rec->action.chdir_action.path = path_copy; | |
48 | ||
49 | /* Account for the new entry. */ | |
50 | ++file_actions->__used; | |
51 | ||
52 | return 0; | |
53 | } |