1 /* This file is part of XEmacs.
3 XEmacs is free software; you can redistribute it and/or modify it
4 under the terms of the GNU General Public License as published by the
5 Free Software Foundation; either version 2, or (at your option) any
8 XEmacs is distributed in the hope that it will be useful, but WITHOUT
9 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
10 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 You should have received a copy of the GNU General Public License
14 along with XEmacs; see the file COPYING. If not, write to
15 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
16 Boston, MA 02111-1307, USA. */
18 /* Synched up with: Not in FSF. */
20 #ifndef INCLUDED_iso_wide_h_
21 #define INCLUDED_iso_wide_h_
23 /* The following macros are designed for SunOS 5.0 wide characters,
24 in which the single byte ISO Latin-1 character 1xxxxxxx are represented
26 00110000 00000000 00000000 0xxxxxxx
28 For wide character systems which maintain the numeric value of all
29 single-byte characters, IN_TABLE_DOMAIN can simply be defined
31 (0 <= (c) && (c) <= 0xff)
33 and no funky ISO_WIDE_TO_BYTE conversions are needed. */
35 /* Can't use isascii() because we want wide char argument */
36 #define IS_ASCII(c) (0 <= (c) && (c) <= 0x7f)
38 #define IS_ISO_WIDE(c) (0x30000000 <= (c) && (c) <= 0x3000007f)
39 #define IS_ISO_BYTE(c) (0x80 <= (c) && (c) <= 0xff)
41 #define IN_TABLE_DOMAIN(c) (IS_ASCII (c) || IS_ISO_WIDE (c))
43 #define ISO_WIDE_TO_BYTE(c) ((c) & 0x0000007f | 0x80)
44 #define ISO_BYTE_TO_WIDE(c) ((c) & 0x7f | 0x30000000)
46 #define WIDE_TO_BYTE(c) (IS_ISO_WIDE (c) ? ISO_WIDE_TO_BYTE (c) : (c))
47 #define BYTE_TO_WIDE(c) (IS_ISO_BYTE (c) ? ISO_BYTE_TO_WIDE (c) : (c))
49 #endif /* INCLUDED_iso_wide_h_ */