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 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, isdigit, (int c)) { 18 return static_cast<int>(internal::isdigit(static_cast<unsigned>(c))); 19 } 20 21 } // namespace LIBC_NAMESPACE 22