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- /* This file is part of XEmacs.
-
- XEmacs is free software; you can redistribute it and/or modify it
- under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any
- later version.
-
- XEmacs 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 General Public License
- for more details.
-
- You should have received a copy of the GNU General Public License
- along with XEmacs; see the file COPYING. If not, write to the Free
- Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- /* Synched up with: Not in FSF. */
-
- #ifndef _XEMACS_ISO_WIDE_H
- #define _XEMACS_ISO_WIDE_H
-
- /* The following macros are designed for SunOS 5.0 wide characters,
- in which the single byte ISO Latin-1 character 1xxxxxxx are represented
-
- 00110000 00000000 00000000 0xxxxxxx
-
- For wide character systems which maintain the numeric value of all
- single-byte characters, IN_TABLE_DOMAIN can simply be defined
-
- (0 <= (c) && (c) <= 0xff)
-
- and no funky ISO_WIDE_TO_BYTE conversions are needed. */
-
- /* Can't use isascii() because we want wide char argument */
- #define IS_ASCII(c) (0 <= (c) && (c) <= 0x7f)
-
- #define IS_ISO_WIDE(c) (0x30000000 <= (c) && (c) <= 0x3000007f)
- #define IS_ISO_BYTE(c) (0x80 <= (c) && (c) <= 0xff)
-
- #define IN_TABLE_DOMAIN(c) (IS_ASCII (c) || IS_ISO_WIDE (c))
-
- #define ISO_WIDE_TO_BYTE(c) ((c) & 0x0000007f | 0x80)
- #define ISO_BYTE_TO_WIDE(c) ((c) & 0x7f | 0x30000000)
-
- #define WIDE_TO_BYTE(c) (IS_ISO_WIDE (c) ? ISO_WIDE_TO_BYTE (c) : (c))
- #define BYTE_TO_WIDE(c) (IS_ISO_BYTE (c) ? ISO_BYTE_TO_WIDE (c) : (c))
-
- #endif /* _XEMACS_ISO_WIDE_H */
-