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/* common.h - Common definitions.
*
* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
* Oskar Liljeblad
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef COMMON_COMMON_H
#define COMMON_COMMON_H
#define SWAP(a,b) ({ typeof(a) t = a; a = b; b = t; })
#ifndef min
#define min(a,b) ({ typeof(a) c = a; typeof(b) d = b; MIN(c,d); })
#endif
#ifndef max
#define max(a,b) ({ typeof(a) c = a; typeof(b) d = b; MAX(c,d); })
#endif
#define RETURN_IF_DIFFERENT(i1,i2) \
{ \
typeof(i1) a = i1; \
typeof(i2) b = i2; \
if (a != b) \
return a-b; \
}
#endif
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