xref: /aosp_15_r20/external/llvm-libc/src/__support/File/linux/stdin.cpp (revision 71db0c75aadcf003ffe3238005f61d7618a3fead)
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 "hdr/stdio_macros.h"
11 #include "hdr/types/FILE.h"
12 #include "src/__support/macros/config.h"
13 
14 namespace LIBC_NAMESPACE_DECL {
15 
16 constexpr size_t STDIN_BUFFER_SIZE = 512;
17 uint8_t stdin_buffer[STDIN_BUFFER_SIZE];
18 static LinuxFile StdIn(0, stdin_buffer, STDIN_BUFFER_SIZE, _IOFBF, false,
19                        File::ModeFlags(File::OpenMode::READ));
20 File *stdin = &StdIn;
21 
22 } // namespace LIBC_NAMESPACE_DECL
23 
24 extern "C" {
25 FILE *stdin = reinterpret_cast<FILE *>(&LIBC_NAMESPACE::StdIn);
26 } // extern "C"
27