xref: /llvm-project/libc/src/spawn/posix_spawn_file_actions_adddup2.cpp (revision 46944b0cbc9a9d8daad0182c40fcd3560bc9ca35)
128943d61SSiva Chandra Reddy //===-- Implementation of posix_spawn_file_actions_adddup2 ----------------===//
228943d61SSiva Chandra Reddy //
328943d61SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
428943d61SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information.
528943d61SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
628943d61SSiva Chandra Reddy //
728943d61SSiva Chandra Reddy //===----------------------------------------------------------------------===//
828943d61SSiva Chandra Reddy 
928943d61SSiva Chandra Reddy #include "posix_spawn_file_actions_adddup2.h"
1028943d61SSiva Chandra Reddy 
1128943d61SSiva Chandra Reddy #include "file_actions.h"
12f1129601SSiva Chandra Reddy #include "src/__support/CPP/new.h"
1328943d61SSiva Chandra Reddy #include "src/__support/common.h"
145ff3ff33SPetr Hosek #include "src/__support/macros/config.h"
15*46944b0cSJob Henandez Lara #include "src/errno/libc_errno.h"
1628943d61SSiva Chandra Reddy 
1728943d61SSiva Chandra Reddy #include <spawn.h>
1828943d61SSiva Chandra Reddy 
195ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL {
2028943d61SSiva Chandra Reddy 
2128943d61SSiva Chandra Reddy LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_adddup2,
2228943d61SSiva Chandra Reddy                    (posix_spawn_file_actions_t * actions, int fd, int newfd)) {
2328943d61SSiva Chandra Reddy   if (actions == nullptr)
2428943d61SSiva Chandra Reddy     return EINVAL;
2528943d61SSiva Chandra Reddy   if (fd < 0 || newfd < 0)
2628943d61SSiva Chandra Reddy     return EBADF;
2728943d61SSiva Chandra Reddy 
28f1129601SSiva Chandra Reddy   AllocChecker ac;
29f1129601SSiva Chandra Reddy   auto *act = new (ac) SpawnFileDup2Action(fd, newfd);
30f1129601SSiva Chandra Reddy   if (!ac)
3128943d61SSiva Chandra Reddy     return ENOMEM;
32f1129601SSiva Chandra Reddy   BaseSpawnFileAction::add_action(actions, act);
3328943d61SSiva Chandra Reddy 
3428943d61SSiva Chandra Reddy   return 0;
3528943d61SSiva Chandra Reddy }
3628943d61SSiva Chandra Reddy 
375ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL
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