| //===-- Implementation of btowc -------------------------------------------===// | |
| // | |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. | |
| // See https://llvm.org/LICENSE.txt for license information. | |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception | |
| // | |
| //===----------------------------------------------------------------------===// | |
| #include "src/wchar/btowc.h" | |
| #include "src/__support/common.h" | |
| #include "src/__support/macros/config.h" | |
| #include "hdr/types/wint_t.h" | |
| #include "hdr/wchar_macros.h" // for WEOF. | |
| namespace LIBC_NAMESPACE_DECL { | |
| LLVM_LIBC_FUNCTION(wint_t, btowc, (int c)) { | |
| if (c > 127 || c < 0) | |
| return WEOF; | |
| return static_cast<wint_t>(c); | |
| } | |
| } // namespace LIBC_NAMESPACE_DECL |