| 1 | /* Copyright (C) 2003 Manuel Novoa III |
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| 2 | * |
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| 3 | * This library is free software; you can redistribute it and/or |
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| 4 | * modify it under the terms of the GNU Library General Public |
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| 5 | * License as published by the Free Software Foundation; either |
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| 6 | * version 2 of the License, or (at your option) any later version. |
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| 7 | * |
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| 8 | * This library is distributed in the hope that it will be useful, |
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| 9 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 10 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 11 | * Library General Public License for more details. |
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| 12 | * |
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| 13 | * You should have received a copy of the GNU Library General Public |
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| 14 | * License along with this library; if not, write to the Free |
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| 15 | * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 16 | */ |
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| 17 | |
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| 18 | /* ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! |
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| 19 | * |
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| 20 | * Besides uClibc, I'm using this code in my libc for elks, which is |
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| 21 | * a 16-bit environment with a fairly limited compiler. It would make |
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| 22 | * things much easier for me if this file isn't modified unnecessarily. |
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| 23 | * In particular, please put any new or replacement functions somewhere |
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| 24 | * else, and modify the makefile to use your version instead. |
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| 25 | * Thanks. Manuel |
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| 26 | * |
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| 27 | * ATTENTION! ATTENTION! ATTENTION! ATTENTION! ATTENTION! */ |
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| 28 | |
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| 29 | |
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| 30 | /* Define an internal unsigned int type __uwchar_t just large enough |
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| 31 | * to hold a wchar_t. |
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| 32 | */ |
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| 33 | |
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| 34 | #ifndef _UCLIBC_UWCHAR_H |
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| 35 | #define _UCLIBC_UWCHAR_H |
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| 36 | |
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| 37 | #include <limits.h> |
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| 38 | #include <stdint.h> |
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| 39 | |
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| 40 | #if WCHAR_MIN == 0 |
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| 41 | typedef wchar_t __uwchar_t; |
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| 42 | #elif WCHAR_MAX <= USHRT_MAX |
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| 43 | typedef unsigned short __uwchar_t; |
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| 44 | #elif WCHAR_MAX <= UINT_MAX |
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| 45 | typedef unsigned int __uwchar_t; |
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| 46 | #elif WCHAR_MAX <= ULONG_MAX |
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| 47 | typedef unsigned long __uwchar_t; |
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| 48 | #elif defined(ULLONG_MAX) && (WCHAR_MAX <= ULLONG_MAX) |
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| 49 | typedef unsigned long long __uwchar_t; |
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| 50 | #elif WCHAR_MAX <= UINTMAX_MAX |
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| 51 | typedef uintmax_t __uwchar_t; |
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| 52 | #else |
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| 53 | #error Can not determine an appropriate type for __uwchar_t! |
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| 54 | #endif |
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| 55 | |
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| 56 | #endif /* _UCLIBC_UWCHAR_H */ |
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