/* Elementary types and macros for the GNU UniString library.
   Copyright (C) 2002, 2005-2006, 2009-2019 Free Software Foundation, Inc.

   This program is free software: you can redistribute it and/or
   modify it under the terms of either:

     * the GNU Lesser General Public License as published by the Free
       Software Foundation; either version 3 of the License, or (at your
       option) any later version.

   or

     * the GNU General Public License as published by the Free
       Software Foundation; either version 2 of the License, or (at your
       option) any later version.

   or both in parallel, as here.
   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   Lesser General Public License for more details.

   You should have received a copy of the GNU Lesser General Public License
   along with this program.  If not, see <https://www.gnu.org/licenses/>.  */

#ifndef _UNITYPES_H
#define _UNITYPES_H

/* Get uint8_t, uint16_t, uint32_t.  */
#include <stdint.h>

/* Type representing a Unicode character.  */
typedef uint32_t ucs4_t;

/* Attribute of a function whose result depends only on the arguments
   (not pointers!) and which has no side effects.  */
#ifndef _UC_ATTRIBUTE_CONST
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 95)
#  define _UC_ATTRIBUTE_CONST __attribute__ ((__const__))
# else
#  define _UC_ATTRIBUTE_CONST
# endif
#endif

/* Attribute of a function whose result depends only on the arguments
   (possibly pointers) and global memory, and which has no side effects.  */
#ifndef _UC_ATTRIBUTE_PURE
# if __GNUC__ > 2 || (__GNUC__ == 2 && __GNUC_MINOR__ >= 96)
#  define _UC_ATTRIBUTE_PURE __attribute__ ((__pure__))
# else
#  define _UC_ATTRIBUTE_PURE
# endif
#endif

#endif /* _UNITYPES_H */
