| 1 | //===-- Implementation of isxdigit-----------------------------------------===// |
|---|
| 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/isxdigit.h" |
|---|
| 10 | #include "src/__support/ctype_utils.h" |
|---|
| 11 | |
|---|
| 12 | #include "src/__support/common.h" |
|---|
| 13 | #include "src/__support/macros/config.h" |
|---|
| 14 | |
|---|
| 15 | namespace LIBC_NAMESPACE_DECL { |
|---|
| 16 | |
|---|
| 17 | LLVM_LIBC_FUNCTION(int, isxdigit, (int c)) { |
|---|
| 18 | const unsigned ch = static_cast<unsigned>(c); |
|---|
| 19 | return static_cast<int>(internal::isalnum(ch) && |
|---|
| 20 | internal::b36_char_to_int(ch) < 16); |
|---|
| 21 | } |
|---|
| 22 | |
|---|
| 23 | } // namespace LIBC_NAMESPACE_DECL |
|---|
| 24 | |
|---|
