27 lines · cpp
1//===-- GPU implementation of getchar -------------------------------------===//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/getchar.h"10 11#include "file.h"12#include "hdr/stdio_macros.h" // for EOF and stdin.13#include "src/__support/common.h"14 15namespace LIBC_NAMESPACE_DECL {16 17LLVM_LIBC_FUNCTION(int, getchar, ()) {18 unsigned char c;19 size_t r = file::read(stdin, &c, 1);20 21 if (r != 1)22 return EOF;23 return c;24}25 26} // namespace LIBC_NAMESPACE_DECL27