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 15 #include <errno.h> 16 #include <spawn.h> 17 18 namespace LIBC_NAMESPACE { 19 20 LLVM_LIBC_FUNCTION(int, posix_spawn_file_actions_adddup2, 21 (posix_spawn_file_actions_t * actions, int fd, int newfd)) { 22 if (actions == nullptr) 23 return EINVAL; 24 if (fd < 0 || newfd < 0) 25 return EBADF; 26 27 AllocChecker ac; 28 auto *act = new (ac) SpawnFileDup2Action(fd, newfd); 29 if (!ac) 30 return ENOMEM; 31 BaseSpawnFileAction::add_action(actions, act); 32 33 return 0; 34 } 35 36 } // namespace LIBC_NAMESPACE 37