libc/src/__support/File/linux/stdin.cpp

   1 //===--- Definition of Linux stdin ----------------------------------------===//
   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 "file.h"
  10 #include <stdio.h>
  11
  12 namespace LIBC_NAMESPACE {
  13
  14 constexpr size_t STDIN_BUFFER_SIZE = 512;
  15 uint8_t stdin_buffer[STDIN_BUFFER_SIZE];
  16 static LinuxFile StdIn(0, stdin_buffer, STDIN_BUFFER_SIZE, _IOFBF, false,
  17                        File::ModeFlags(File::OpenMode::READ));
  18 File *stdin = &StdIn;
  19
  20 } // namespace LIBC_NAMESPACE
  21
  22 extern "C" {
  23 FILE *stdin = reinterpret_cast<FILE *>(&LIBC_NAMESPACE::StdIn);
  24 } // extern "C"