forked from bartvdbraak/blender
e5304a967c
Code provided by Matthew Plough. Verified to run OK in OSX, Windows. Solves bug #2598, which crashed blender on using non-manifold meshes with decimator.
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/**
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* $Id$
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* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version. The Blender
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* Foundation also sells licenses for use in proprietary software under
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* the Blender License. See http://www.blender.org/BL/ for information
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* about this.
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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, write to the Free Software Foundation,
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* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*
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* The Original Code is: all of this file.
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*
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* Contributor(s): none yet.
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*
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* ***** END GPL/BL DUAL LICENSE BLOCK *****
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*/
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#ifndef MT_ASSERT_H
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#define MT_ASSERT_H
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#include <signal.h>
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#include <stdlib.h>
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#include <assert.h>
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// So it can be used from C
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#ifdef __cplusplus
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#define MT_CDECL extern "C"
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#else
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#define MT_CDECL
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#endif
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// Ask the user if they wish to abort/break, ignore, or ignore for good.
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// file, line, predicate form the message to ask, *do_assert should be set
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// to 0 to ignore.
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// returns 1 to break, false to ignore
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MT_CDECL int MT_QueryAssert(char *file, int line, char *predicate, int *do_assert);
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#ifdef NDEBUG
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#define MT_assert(predicate) ((void)0)
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#define BREAKPOINT() ((void)0)
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#else
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// BREAKPOINT() will cause a break into the debugger
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#if defined(__i386) && defined(__GNUC__)
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// gcc on intel...
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#define BREAKPOINT() \
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asm("int $3")
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#elif defined(_MSC_VER)
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// Visual C++ (on Intel)
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#define BREAKPOINT() \
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{ _asm int 3 }
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#elif defined(SIGTRAP)
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// POSIX compatible...
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#define BREAKPOINT() \
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raise(SIGTRAP);
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#else
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// FIXME: Don't know how to do a decent break!
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// Add some code for your cpu type, or get a posix
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// system.
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// abort instead
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#define BREAKPOINT() \
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abort();
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#endif /* breakpoint */
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#if defined(WIN32) && !defined(__GNUC__)
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#define MT_assert(predicate) assert(predicate)
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#else
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// Abort the program if predicate is not true
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#define MT_assert(predicate) \
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{ \
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static int do_assert = 1; \
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if (!(predicate) && MT_QueryAssert(__FILE__, __LINE__, #predicate, &do_assert)) \
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{ \
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BREAKPOINT(); \
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} \
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}
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#endif /* windows */
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#endif /* NDEBUG */
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#endif
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