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73 lines
1.7 KiB
73 lines
1.7 KiB
/**
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* \file
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* Common reusable definitions.
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*
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* \todo All public symbols need to be prefixed to make name clashes
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* more unlikely.
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*
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* \author Georg Hopp
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*
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* \copyright
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* Copyright © 2014 Georg Hopp
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __TR_COMMONS_H__
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#define __TR_COMMONS_H__
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#define Bool char
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#ifdef TRUE
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# undef TRUE
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#endif
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#ifdef FALSE
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# undef FALSE
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#endif
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#define TRUE 1
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#define FALSE 0
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#ifndef MAX
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# define MAX(a,b) ((a)>(b)? (a) : (b))
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#endif
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#ifndef MIN
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# define MIN(a,b) ((a)<(b)? (a) : (b))
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#endif
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/**
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* XOR variant of swapping a variable
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*/
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#define SWAP_XOR(a, b) ((a)^=(b),(b)^=(a),(a)^=(b))
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/**
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* swap two variable through an intermediate.
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*/
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#define SWAP(type, a, b) do { \
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type tmp = (a); \
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(a) = (b); \
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(b) = tmp; \
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} while(0);
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/**
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* Const STRing Argument
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* This makro evaluates to two function argument.
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*
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* \param char* val A NULL terminated static string.
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*/
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#define CSTRA(val) val, sizeof(val)-1 //!< Const STRing Argument
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#endif // __TR_COMMONS_H__
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// vim: set ts=4 sw=4:
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