1 /* Elementary types and macros for the GNU UniString library. 2 Copyright (C) 2002, 2005-2006, 2009-2020 Free Software Foundation, Inc. 3 4 This program is free software: you can redistribute it and/or modify it 5 under the terms of the GNU General Public License as published 6 by the Free Software Foundation; either version 3 of the License, or 7 (at your option) any later version. 8 9 This program 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 GNU 12 General Public License for more details. 13 14 You should have received a copy of the GNU General Public License 15 along with this program. If not, see <https://www.gnu.org/licenses/>. */ 16 17 #ifndef _UNITYPES_H 18 #define _UNITYPES_H 19 20 /* Get uint8_t, uint16_t, uint32_t. */ 21 #include <stdint.h> 22 23 /* Type representing a Unicode character. */ 24 typedef uint32_t ucs4_t; 25 26 /* Attribute of a function whose result depends only on the arguments 27 (not pointers!) and which has no side effects. */ 28 #ifndef _UC_ATTRIBUTE_CONST 29 # if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) 30 # define _UC_ATTRIBUTE_CONST __attribute__ ((__const__)) 31 # else 32 # define _UC_ATTRIBUTE_CONST 33 # endif 34 #endif 35 36 /* Attribute of a function whose result depends only on the arguments 37 (possibly pointers) and global memory, and which has no side effects. */ 38 #ifndef _UC_ATTRIBUTE_PURE 39 # if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) 40 # define _UC_ATTRIBUTE_PURE __attribute__ ((__pure__)) 41 # else 42 # define _UC_ATTRIBUTE_PURE 43 # endif 44 #endif 45 46 /* Qualifier in a function declaration, that asserts that the caller must 47 pass a pointer to a different object in the specified pointer argument 48 than in the other pointer arguments. */ 49 #ifndef _UC_RESTRICT 50 # if defined __restrict || 2 < __GNUC__ + (95 <= __GNUC_MINOR__) 51 # define _UC_RESTRICT __restrict 52 # elif 199901L <= __STDC_VERSION__ || defined restrict 53 # define _UC_RESTRICT restrict 54 # else 55 # define _UC_RESTRICT 56 # endif 57 #endif 58 59 #endif /* _UNITYPES_H */ 60