1 //===-- Implementation of fdopen --------------------------------*- C++ -*-===// 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 "src/stdio/fdopen.h" 10 11 #include "src/__support/File/linux/file.h" 12 #include "src/errno/libc_errno.h" 13 14 namespace LIBC_NAMESPACE { 15 16 LLVM_LIBC_FUNCTION(::FILE *, fdopen, (int fd, const char *mode)) { 17 auto result = LIBC_NAMESPACE::create_file_from_fd(fd, mode); 18 if (!result.has_value()) { 19 libc_errno = result.error(); 20 return nullptr; 21 } 22 return reinterpret_cast<::FILE *>(result.value()); 23 } 24 25 } // namespace LIBC_NAMESPACE 26