// $Id$ -*- C++ -*- // generic compare() function // Copyright (C) 1995 Technische Universitaet Braunschweig, Germany. // Written by Andreas Zeller <zeller@gnu.org>. // // 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 3 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, see <http://www.gnu.org/licenses/>. // // DDD is the data display debugger. // For details, see the DDD World-Wide-Web page, // `http://www.gnu.org/software/ddd/', // or send a mail to the DDD developers <ddd@gnu.org>. #ifndef _DDD_compare_h #define _DDD_compare_h // 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