1 //===-- Implementation of posix_spawn_file_actions_adddup2 ----------------===// 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_adddup2.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_adddup2, 22 (posix_spawn_file_actions_t * actions, int fd, int newfd)) { 23 if (actions == nullptr) 24 return EINVAL; 25 if (fd < 0 || newfd < 0) 26 return EBADF; 27 28 AllocChecker ac; 29 auto *act = new (ac) SpawnFileDup2Action(fd, newfd); 30 if (!ac) 31 return ENOMEM; 32 BaseSpawnFileAction::add_action(actions, act); 33 34 return 0; 35 } 36 37 } // namespace LIBC_NAMESPACE_DECL 38