unique_id.h

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00001 /* libthrowable - a C++ library to ease error handling and debugging
00002  *
00003  * Copyright (C) Joseph Lehner 2007 <deadbeef@gmx.at>
00004  *
00005  * This library is free software; you can redistribute it and/or
00006  * modify it under the terms of the GNU Library General Public
00007  * License as published by the Free Software Foundation; either
00008  * version 2.1 of the License, or (at your option) any later version.
00009  *
00010  * This library is distributed in the hope that it will be useful,
00011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  * Library General Public License for more details.
00014  *
00015  * You should have received a copy of the GNU Library General Public
00016  * License along with this library; if not, write to the Free
00017  * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
00018  */
00019 
00020 #ifndef H_LIBTHROWABLE_UNIQUE_ID
00021 #define H_LIBTHROWABLE_UNIQUE_ID
00022 #ifndef LIBTHROWABLE_DISABLE_MACROS
00023 
00024 #define LIBTHROWABLE_CONCAT_3(x, y) x ## y
00025 #define LIBTHROWABLE_CONCAT_2(x, y) LIBTHROWABLE_CONCAT_3(x, y)
00026 #define LIBTHROWABLE_CONCAT_1(x, y) LIBTHROWABLE_CONCAT_2(x, y)
00027 
00047 #define LIBTHROWABLE_UNIQUE_ID LIBTHROWABLE_CONCAT_1(libthrowableUniqueIdAtLine, __LINE__)
00048 #endif //LIBTHROWABLE_DISABLE_MACROS
00049 #endif //H_LIBTHROWABLE_UNIQUE_ID

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