1 /* Categories of Unicode characters. 2 Copyright (C) 2007, 2009-2021 Free Software Foundation, Inc. 3 Written by Bruno Haible <bruno@clisp.org>, 2007. 4 5 This file is free software. 6 It is dual-licensed under "the GNU LGPLv3+ or the GNU GPLv2+". 7 You can redistribute it and/or modify it under either 8 - the terms of the GNU Lesser General Public License as published 9 by the Free Software Foundation; either version 3, or (at your 10 option) any later version, or 11 - the terms of the GNU General Public License as published by the 12 Free Software Foundation; either version 2, or (at your option) 13 any later version, or 14 - the same dual license "the GNU LGPLv3+ or the GNU GPLv2+". 15 16 This file is distributed in the hope that it will be useful, 17 but WITHOUT ANY WARRANTY; without even the implied warranty of 18 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 19 Lesser General Public License and the GNU General Public License 20 for more details. 21 22 You should have received a copy of the GNU Lesser General Public 23 License and of the GNU General Public License along with this 24 program. If not, see <https://www.gnu.org/licenses/>. */ 25 26 #include <config.h> 27 28 /* Specification. */ 29 #include "unictype.h" 30 31 uc_general_category_t 32 uc_general_category_and_not (uc_general_category_t category1, /* */ 33 uc_general_category_t category2) 34 { 35 uint32_t bitmask; 36 uc_general_category_t result; 37 38 bitmask = category1.bitmask & ~category2.bitmask; 39 40 if (bitmask == category1.bitmask) 41 return category1; 42 43 if (bitmask == 0) 44 return _UC_CATEGORY_NONE; 45 46 result.bitmask = bitmask; 47 result.generic = 1; 48 result.lookup.lookup_fn = &uc_is_general_category_withtable; 49 return result; 50 }