19a1611f9SMichael Jones //===-- Baremetal Implementation of putchar -------------------------------===// 29a1611f9SMichael Jones // 39a1611f9SMichael Jones // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 49a1611f9SMichael Jones // See https://llvm.org/LICENSE.txt for license information. 59a1611f9SMichael Jones // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 69a1611f9SMichael Jones // 79a1611f9SMichael Jones //===----------------------------------------------------------------------===// 89a1611f9SMichael Jones 99a1611f9SMichael Jones #include "src/stdio/putchar.h" 109a1611f9SMichael Jones #include "src/__support/CPP/string_view.h" 119a1611f9SMichael Jones #include "src/__support/OSUtil/io.h" 12*5ff3ff33SPetr Hosek #include "src/__support/macros/config.h" 139a1611f9SMichael Jones 14*5ff3ff33SPetr Hosek namespace LIBC_NAMESPACE_DECL { 159a1611f9SMichael Jones 169a1611f9SMichael Jones LLVM_LIBC_FUNCTION(int, putchar, (int c)) { 179a1611f9SMichael Jones char uc = static_cast<char>(c); 189a1611f9SMichael Jones 199a1611f9SMichael Jones write_to_stderr(cpp::string_view(&uc, 1)); 209a1611f9SMichael Jones 219a1611f9SMichael Jones return 0; 229a1611f9SMichael Jones } 239a1611f9SMichael Jones 24*5ff3ff33SPetr Hosek } // namespace LIBC_NAMESPACE_DECL 25