xref: /aosp_15_r20/external/llvm-libc/src/spawn/posix_spawn_file_actions_addopen.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
1 //===-- Implementation of posix_spawn_file_actions_addopen ----------------===//
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_addopen.h"
10 
11 #include "file_actions.h"
12 #include "src/__support/CPP/new.h"
13 #include "src/__support/common.h"
14 #include "src/__support/macros/config.h"
15 #include "src/errno/libc_errno.h"
16 
17 #include <spawn.h>
18 
19 namespace LIBC_NAMESPACE_DECL {
20 
21 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_addopen,
22                    (posix_spawn_file_actions_t *__restrict actions, int fd,
23                     const char *__restrict path, int oflag, mode_t mode)) {
24   if (actions == nullptr)
25     return EINVAL;
26   if (fd < 0)
27     return EBADF;
28 
29   AllocChecker ac;
30   auto *act = new (ac) SpawnFileOpenAction(path, fd, oflag, mode);
31   if (act == nullptr)
32     return ENOMEM;
33   BaseSpawnFileAction::add_action(actions, act);
34 
35   return 0;
36 }
37 
38 } // namespace LIBC_NAMESPACE_DECL
39