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dff8da6b | 1 | /* Copyright (C) 2000-2024 Free Software Foundation, Inc. |
a5a6f926 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
5 | modify it under the terms of the GNU Lesser General Public |
6 | License as published by the Free Software Foundation; either | |
7 | version 2.1 of the License, or (at your option) any later version. | |
a5a6f926 UD |
8 | |
9 | The GNU C Library is distributed in the hope that it will be useful, | |
10 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
a5a6f926 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
a5a6f926 UD |
17 | |
18 | #include <errno.h> | |
a5a6f926 | 19 | #include <unistd.h> |
28b0a8c9 | 20 | #include <stdlib.h> |
35a5e3e3 | 21 | #include <string.h> |
a5a6f926 UD |
22 | |
23 | #include "spawn_int.h" | |
24 | ||
25 | /* Add an action to FILE-ACTIONS which tells the implementation to call | |
26 | `open' for the given file during the `spawn' call. */ | |
27 | int | |
db8cbc6a AZ |
28 | __posix_spawn_file_actions_addopen (posix_spawn_file_actions_t *file_actions, |
29 | int fd, const char *path, int oflag, | |
30 | mode_t mode) | |
a5a6f926 | 31 | { |
a5a6f926 UD |
32 | struct __spawn_action *rec; |
33 | ||
6793dd51 | 34 | if (!__spawn_valid_fd (fd)) |
a5a6f926 UD |
35 | return EBADF; |
36 | ||
ae65d4f3 | 37 | char *path_copy = __strdup (path); |
89e435f3 FW |
38 | if (path_copy == NULL) |
39 | return ENOMEM; | |
40 | ||
d77cd295 | 41 | /* Allocate more memory if needed. */ |
a5a6f926 UD |
42 | if (file_actions->__used == file_actions->__allocated |
43 | && __posix_spawn_file_actions_realloc (file_actions) != 0) | |
89e435f3 FW |
44 | { |
45 | /* This can only mean we ran out of memory. */ | |
46 | free (path_copy); | |
47 | return ENOMEM; | |
48 | } | |
a5a6f926 UD |
49 | |
50 | /* Add the new value. */ | |
08c7f6b0 | 51 | rec = &file_actions->__actions[file_actions->__used]; |
a5a6f926 UD |
52 | rec->tag = spawn_do_open; |
53 | rec->action.open_action.fd = fd; | |
89e435f3 | 54 | rec->action.open_action.path = path_copy; |
a5a6f926 UD |
55 | rec->action.open_action.oflag = oflag; |
56 | rec->action.open_action.mode = mode; | |
57 | ||
08c7f6b0 UD |
58 | /* Account for the new entry. */ |
59 | ++file_actions->__used; | |
60 | ||
a5a6f926 UD |
61 | return 0; |
62 | } | |
db8cbc6a AZ |
63 | weak_alias (__posix_spawn_file_actions_addopen, |
64 | posix_spawn_file_actions_addopen) |