1 /*  Copyright (C) 2003     Manuel Novoa III
2  *
3  *  This library is free software; you can redistribute it and/or
4  *  modify it under the terms of the GNU Lesser General Public
5  *  License as published by the Free Software Foundation; either
6  *  version 2.1 of the License, or (at your option) any later version.
7  *
8  *  The GNU C Library is distributed in the hope that it will be useful,
9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
11  *  Lesser General Public License for more details.
12  *
13  *  You should have received a copy of the GNU Lesser General Public
14  *  License along with the GNU C Library; see the file COPYING.LIB.  If
15  *  not, see <http://www.gnu.org/licenses/>.
16  */
17 
18 /*  ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION!
19  *
20  *  Besides uClibc, I'm using this code in my libc for elks, which is
21  *  a 16-bit environment with a fairly limited compiler.  It would make
22  *  things much easier for me if this file isn't modified unnecessarily.
23  *  In particular, please put any new or replacement functions somewhere
24  *  else, and modify the makefile to use your version instead.
25  *  Thanks.  Manuel
26  *
27  *  ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION!   ATTENTION! */
28 
29 
30 /*  Define an internal unsigned int type __uwchar_t just large enough
31  *  to hold a wchar_t.
32  */
33 
34 #ifndef _UCLIBC_UWCHAR_H
35 #define _UCLIBC_UWCHAR_H
36 
37 #include <limits.h>
38 #include <stdint.h>
39 
40 #if WCHAR_MIN == 0
41 typedef wchar_t				__uwchar_t;
42 #elif WCHAR_MAX <= USHRT_MAX
43 typedef unsigned short		__uwchar_t;
44 #elif WCHAR_MAX <= UINT_MAX
45 typedef unsigned int		__uwchar_t;
46 #elif WCHAR_MAX <= ULONG_MAX
47 typedef unsigned long		__uwchar_t;
48 #elif defined(ULLONG_MAX) && (WCHAR_MAX <= ULLONG_MAX)
49 typedef unsigned long long	__uwchar_t;
50 #elif WCHAR_MAX <= UINTMAX_MAX
51 typedef uintmax_t			__uwchar_t;
52 #else
53 #error Can not determine an appropriate type for __uwchar_t!
54 #endif
55 
56 #endif /* _UCLIBC_UWCHAR_H */
57