blob: b52b86f1df2910aac43dd258a6459d3c7d89acad [file] [log] [blame]
//===-- Implementation of iscntrl------------------------------------------===//
//
// 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/ctype/iscntrl.h"
#include "src/__support/common.h"
namespace LIBC_NAMESPACE {
// TODO: Currently restricted to default locale.
// These should be extended using locale information.
LLVM_LIBC_FUNCTION(int, iscntrl, (int c)) {
const unsigned ch = static_cast<unsigned>(c);
return static_cast<int>(ch < 0x20 || ch == 0x7f);
}
} // namespace LIBC_NAMESPACE