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- // $Id: compare.h,v 1.9 1998/03/25 12:45:26 zeller Exp $ -*- C++ -*-
- // generic compare() function
-
- // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany.
- // Written by Andreas Zeller <zeller@ips.cs.tu-bs.de>.
- //
- // This file is part of DDD.
- //
- // DDD 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.
- //
- // DDD 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 DDD -- see the file COPYING.
- // If not, write to the Free Software Foundation, Inc.,
- // 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- //
- // DDD is the data display debugger.
- // For details, see the DDD World-Wide-Web page,
- // `http://www.cs.tu-bs.de/softech/ddd/',
- // or send a mail to the DDD developers <ddd@ips.cs.tu-bs.de>.
-
- #ifndef _DDD_compare_h
- #define _DDD_compare_h
-
- #ifdef __GNUG__
- #pragma interface
- #endif
-
- // compare(t1, t2) returns 1/0/-1 if t1 is greater/equal/less than t2
- // Was initially implemented as a template, but won't work correctly with gcc
-
- #define DECLARE_COMPARE(T) \
- inline int compare(T t1, T t2) \
- { \
- if (t1 > t2) \
- return 1; \
- else if (t1 < t2) \
- return -1; \
- else \
- return 0; \
- }
-
- DECLARE_COMPARE(int)
- DECLARE_COMPARE(unsigned int)
-
- DECLARE_COMPARE(long)
- DECLARE_COMPARE(unsigned long)
-
- DECLARE_COMPARE(short)
- DECLARE_COMPARE(unsigned short)
-
- DECLARE_COMPARE(char)
- // DECLARE_COMPARE(signed char)
- DECLARE_COMPARE(unsigned char)
-
- DECLARE_COMPARE(float)
- DECLARE_COMPARE(double)
-
- inline int compare(void *t1, void *t2)
- {
- return compare((unsigned long)t1, (unsigned long)t2);
- }
-
- #undef DECLARE_COMPARE
-
- #endif // _DDD_compare_h
- // DON'T ADD ANYTHING BEHIND THIS #endif
-