27 lines · cpp
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-exception6//7//===----------------------------------------------------------------------===//8 9#include "src/stdio/fdopen.h"10 11#include "src/__support/File/linux/file.h"12#include "src/__support/libc_errno.h"13#include "src/__support/macros/config.h"14 15namespace LIBC_NAMESPACE_DECL {16 17LLVM_LIBC_FUNCTION(::FILE *, fdopen, (int fd, const char *mode)) {18 auto result = LIBC_NAMESPACE::create_file_from_fd(fd, mode);19 if (!result.has_value()) {20 libc_errno = result.error();21 return nullptr;22 }23 return reinterpret_cast<::FILE *>(result.value());24}25 26} // namespace LIBC_NAMESPACE_DECL27