xref: /llvm-project/libc/src/ctype/isdigit.cpp (revision 856dadb33c38f4e3be592f11c3d67e7337e288c7)
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
21