1 //===-- GPU 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-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #include "src/stdio/putchar.h" 10 #include "file.h" 11 #include "src/__support/macros/config.h" 12 13 #include "hdr/stdio_macros.h" // for EOF and stdout. 14 15 namespace LIBC_NAMESPACE_DECL { 16 17 LLVM_LIBC_FUNCTION(int, putchar, (int c)) { 18 unsigned char uc = static_cast<unsigned char>(c); 19 20 size_t written = file::write(stdout, &uc, 1); 21 if (1 != written) 22 return EOF; 23 24 return 0; 25 } 26 27 } // namespace LIBC_NAMESPACE_DECL 28