25 lines · cpp
1//===-- Baremetal Implementation of putchar -------------------------------===//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/putchar.h"10#include "src/__support/CPP/string_view.h"11#include "src/__support/OSUtil/io.h"12#include "src/__support/macros/config.h"13 14namespace LIBC_NAMESPACE_DECL {15 16LLVM_LIBC_FUNCTION(int, putchar, (int c)) {17 char uc = static_cast<char>(c);18 19 write_to_stdout(cpp::string_view(&uc, 1));20 21 return 0;22}23 24} // namespace LIBC_NAMESPACE_DECL25