[libc] add isascii and toascii implementations
[lldb.git] / libc / src / ctype / isascii.cpp
1 //===-- Implementation of isascii------------------------------------------===//
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/ctype/isascii.h"
10
11 #include "src/__support/common.h"
12
13 namespace __llvm_libc {
14
15 LLVM_LIBC_FUNCTION(int, isascii, (int c)) { return (c & (~0x7f)) == 0; }
16
17 } // namespace __llvm_libc