1 /* Test wide character for being a hexadecimal digit.
2 Copyright (C) 2020-2021 Free Software Foundation, Inc.
4 This file is free software: you can redistribute it and/or modify
5 it under the terms of the GNU Lesser General Public License as
6 published by the Free Software Foundation; either version 2.1 of the
7 License, or (at your option) any later version.
9 This file is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 GNU Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public License
15 along with this program. If not, see <https://www.gnu.org/licenses/>. */
25 return ((wc >= '0' && wc <= '9')
26 #if 'A' == 0x41 && 'a' == 0x61
27 /* Optimization, assuming ASCII */
28 || ((wc & ~0x20) >= 'A' && (wc & ~0x20) <= 'F')
30 || (wc >= 'A' && wc <= 'F') || (wc >= 'a' && wc <= 'f')