CGAL users discussion list

["Anatoli Barski" <>]

Thank you for a fast answer Andreas, 

I've checked the macros with

#if _HAS_ITERATOR_DEBUGGING == 1
#error defined!!!
#endif

for CGAL (placing that snippet on top of kernel.cpp)

and also for example file transformation.cpp

result:

both _HAS_ITERATOR_DEBUGGING and _SECURE_SCL are defined in cgal.lib

and none of them is defined in transformation.vcproj

if I try defining them on top of transformation.cpp, I get the warning

1>C:\Program Files\Microsoft Visual Studio 8\VC\include\yvals.h(101) : 
warning CRT1005: Iterator debugging not supported in retail builds.
1> Setting 1=0

the application breakes like before at _debugger_hook_dummy = 0;
in dbghook.c which is provided for you below.

I'm also wondering why _HAS_ITERATOR_DEBUGGING 1 is defined in cgal.lib, 
because I could not find where _DEBUG was +defined.

#if !defined (_HAS_ITERATOR_DEBUGGING)
        #if defined (_DEBUG)
                #define _HAS_ITERATOR_DEBUGGING 1       /* for range checks, 
etc. */
        #else
                #define _HAS_ITERATOR_DEBUGGING 0
        #endif  /* defined (_DEBUG) */
#else




/***
*dbghook.c - Debug CRT Hook Functions
*
*       Copyright (c) Microsoft Corporation. All rights reserved.
*
*Purpose:
*       Allow users to override default alloc hook at link time.
*
*******************************************************************************/

#include <dbgint.h>

#ifdef _DEBUG

#include <internal.h>
#include <limits.h>
#include <mtdll.h>
#include <malloc.h>
#include <stdlib.h>

_CRT_ALLOC_HOOK _pfnAllocHook = _CrtDefaultAllocHook;

/***
*int _CrtDefaultAllocHook() - allow allocation
*
*Purpose:
*       allow allocation
*
*Entry:
*       all parameters ignored
*
*Exit:
*       returns TRUE
*
*Exceptions:
*
*******************************************************************************/
int __cdecl _CrtDefaultAllocHook(
        int nAllocType,
        void * pvData,
        size_t nSize,
        int nBlockUse,
        long lRequest,
        const unsigned char * szFileName,
        int nLine
        )
{
        return 1; /* allow all allocs/reallocs/frees */
}

#endif  /* _DEBUG */

int _debugger_hook_dummy;

#ifdef _M_IA64
#undef _CRT_DEBUGGER_HOOK
#define _CRT_DEBUGGER_HOOK __crt_debugger_hook
#endif  /* _M_IA64 */

__declspec(noinline)
void __cdecl _CRT_DEBUGGER_HOOK(int _Reserved)
{
    /* assign 0 to _debugger_hook_dummy so that the function is not folded in 
retail */
    (_Reserved);
    _debugger_hook_dummy = 0;
}




-------- Original-Nachricht --------
> Datum: Mon, 14 Apr 2008 17:25:07 +0200
> Von: Andreas Fabri 
> <>
> An: 
> 
> Betreff: Re: [cgal-discuss] Nef_Polyhedron & list iterators incompatible

> Anatoli Barski wrote:
> > Probably a better screenshot of the same callstack attached
> > 
> > 
> > ------------------------------------------------------------------------
> > 
> 
> 
> Can you check whether  _HAS_ITERATOR_DEBUGING and _SECURE_SCL are defined
> consistently in cgal.lib and your application.
> 
> andreas
> -- 
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