| /* wchar_t type related definitions. |
| Copyright (C) 2000 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 the GNU C Library; if not, write to the Free |
| Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA |
| 02111-1307 USA. */ |
| |
| #ifndef _BITS_WCHAR_H |
| #define _BITS_WCHAR_H 1 |
| |
| /* Use GCC's __WCHAR_MAX__ when available. */ |
| #ifdef __WCHAR_MAX__ |
| #define __WCHAR_MAX __WCHAR_MAX__ |
| #else |
| #define __WCHAR_MAX (2147483647) |
| #endif |
| |
| /* GCC may also define __WCHAR_UNSIGNED__. |
| Use L'\0' to give the expression the correct (unsigned) type. */ |
| #ifdef __WCHAR_UNSIGNED__ |
| #define __WCHAR_MIN L'\0' |
| |
| /* Failing that, rely on the preprocessor's knowledge of the |
| signedness of wchar_t. */ |
| #elif L'\0' - 1 > 0 |
| #define __WCHAR_MIN L'\0' |
| #else |
| #define __WCHAR_MIN (-__WCHAR_MAX - 1) |
| #endif |
| |
| #endif /* bits/wchar.h */ |
