libc/src/ctype/isdigit.cpp

   1 //===-- Implementation of isdigit------------------------------------------===//
   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/isdigit.h"
  10 #include "src/__support/common.h"
  11 #include "src/__support/ctype_utils.h"
  12 #include "src/__support/macros/config.h"
  13
  14 namespace LIBC_NAMESPACE_DECL {
  15
  16 LLVM_LIBC_FUNCTION(int, isdigit, (int c)) {
  17   return static_cast<int>(internal::isdigit(static_cast<unsigned>(c)));
  18 }
  19
  20 } // namespace LIBC_NAMESPACE_DECL