62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
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/* Elementary types and macros for the GNU UniString library.
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Copyright (C) 2002, 2005-2006, 2009-2023 Free Software Foundation, Inc.
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This file is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as
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published by the Free Software Foundation; either version 2.1 of the
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License, or (at your option) any later version.
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This file is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <https://www.gnu.org/licenses/>. */
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#ifndef _UNITYPES_H
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#define _UNITYPES_H
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/* Get uint8_t, uint16_t, uint32_t. */
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#include <stdint.h>
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/* Type representing a Unicode character. */
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typedef uint32_t ucs4_t;
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/* Attribute of a function whose result depends only on the arguments
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(not pointers!) and which has no side effects. */
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#ifndef _UC_ATTRIBUTE_CONST
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# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95) || defined __clang__
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# define _UC_ATTRIBUTE_CONST __attribute__ ((__const__))
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# else
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# define _UC_ATTRIBUTE_CONST
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# endif
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#endif
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/* Attribute of a function whose result depends only on the arguments
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(possibly pointers) and global memory, and which has no side effects. */
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#ifndef _UC_ATTRIBUTE_PURE
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# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96) || defined __clang__
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# define _UC_ATTRIBUTE_PURE __attribute__ ((__pure__))
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# else
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# define _UC_ATTRIBUTE_PURE
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# endif
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#endif
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/* Qualifier in a function declaration, that asserts that the caller must
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pass a pointer to a different object in the specified pointer argument
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than in the other pointer arguments. */
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#ifndef _UC_RESTRICT
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# if defined __restrict \
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|| 2 < __GNUC__ + (95 <= __GNUC_MINOR__) \
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|| __clang_major__ >= 3
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# define _UC_RESTRICT __restrict
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# elif 199901L <= __STDC_VERSION__ || defined restrict
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# define _UC_RESTRICT restrict
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# else
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# define _UC_RESTRICT
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# endif
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#endif
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#endif /* _UNITYPES_H */
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