1 | //===-- Implementation of posix_spawn_file_actions_destroy ----------------===// |
---|---|
2 | // |
3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
4 | // See https://llvm.org/LICENSE.txt for license information. |
5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
6 | // |
7 | //===----------------------------------------------------------------------===// |
8 | |
9 | #include "posix_spawn_file_actions_destroy.h" |
10 | |
11 | #include "file_actions.h" |
12 | #include "src/__support/CPP/new.h" |
13 | #include "src/__support/common.h" |
14 | |
15 | #include <errno.h> |
16 | #include <spawn.h> |
17 | |
18 | namespace LIBC_NAMESPACE { |
19 | |
20 | LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_destroy, |
21 | (posix_spawn_file_actions_t * actions)) { |
22 | if (actions == nullptr) |
23 | return EINVAL; |
24 | if (actions->__front == nullptr) |
25 | return 0; |
26 | |
27 | auto *act = reinterpret_cast<BaseSpawnFileAction *>(actions->__front); |
28 | actions->__front = nullptr; |
29 | actions->__back = nullptr; |
30 | if (act == nullptr) |
31 | return 0; |
32 | |
33 | while (act != nullptr) { |
34 | auto *temp = act; |
35 | act = act->next; |
36 | switch (temp->type) { |
37 | case BaseSpawnFileAction::OPEN: |
38 | delete reinterpret_cast<SpawnFileOpenAction *>(temp); |
39 | break; |
40 | case BaseSpawnFileAction::CLOSE: |
41 | delete reinterpret_cast<SpawnFileCloseAction *>(temp); |
42 | break; |
43 | case BaseSpawnFileAction::DUP2: |
44 | delete reinterpret_cast<SpawnFileDup2Action *>(temp); |
45 | break; |
46 | } |
47 | } |
48 | |
49 | return 0; |
50 | } |
51 | |
52 | } // namespace LIBC_NAMESPACE |
53 |