libc/src/ctype/isprint.cpp

   1 //===-- Implementation of isprint------------------------------------------===//
   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/isprint.h"
  10
  11 #include "src/__support/common.h"
  12
  13 namespace LIBC_NAMESPACE {
  14
  15 // TODO: Currently restricted to default locale.
  16 // These should be extended using locale information.
  17 LLVM_LIBC_FUNCTION(int, isprint, (int c)) {
  18   const unsigned ch = static_cast<unsigned>(c);
  19   return static_cast<int>((ch - ' ') < 95);
  20 }
  21
  22 } // namespace LIBC_NAMESPACE