[reSIProcate] Really Strange compiler behaviour

Scott Godin slgodin at icescape.com
Fri Apr 21 09:40:06 CDT 2006


I'm using VS.NET 2005 and don't have these problems - I have no idea why you are seeing this.  Have you tried to eliminate your application / settings from the picture and see if BasicCall behaves the same way?

 

Scott

 

________________________________

From: resiprocate-devel-bounces at list.sipfoundry.org [mailto:resiprocate-devel-bounces at list.sipfoundry.org] On Behalf Of Matthias Moetje - TERASENS GmbH
Sent: Friday, April 21, 2006 10:11 AM
To: Alexander Altshuler; resiprocate-devel at list.sipfoundry.org
Subject: RE: [reSIProcate] Really Strange compiler behaviour

 

Alex,

 

thanks for the tip, but this didn't solve the problem.

 

I have now converted the TargetCommand class to 

use a pointer to dum instead of passing it by value

and now it works. 

 

Seems that VS 2005 is a bit more restrictive with 

passing objects by value (or it just has a bug..?). 

At least it is said to be more standards conformant 

than all previous versions.

 

 

Unfortunately this is not all. A similar problem occurs

in the constructor of ServerAuthManager when it 

should be initialized with dumIncomingTarget().

 

I suspect all this might be due to the fact that the 

IncomingTarget and Outgoing target classes are

declared privately within DialogUsageManager?

 

I will now try to move these outside of the dum 

class...

Best regards,

Matthias Moetje

 

TERASENS GmbH
Augustenstraße 24
80333 Munich
GERMANY

 

Phone:
Fax:
e-mail:
Web:

 

+49.89.143370-0
+49.89.143370-22
info at terasens.com <mailto:info at terasens.com> 
www.terasens.com <http://www.terasens.com/> 

 

	 

	
________________________________


	From: resiprocate-devel-bounces at list.sipfoundry.org [mailto:resiprocate-devel-bounces at list.sipfoundry.org] On Behalf Of Alexander Altshuler
	Sent: Friday, April 21, 2006 8:45 AM
	To: resiprocate-devel at list.sipfoundry.org
	Subject: RE: [reSIProcate] Really Strange compiler behaviour

	Delete all files (.obj, .pdb etc) in Debug directory by hand.

	Recompile the project.

	Sometimes it works.

	 

	Alex

	 

	-----Original Message-----
	From: resiprocate-devel-bounces at list.sipfoundry.org [mailto:resiprocate-devel-bounces at list.sipfoundry.org] On Behalf Of Matthias Moetje - TERASENS GmbH
	Sent: Friday, April 21, 2006 6:31 AM
	To: resiprocate-devel at list.sipfoundry.org
	Subject: [reSIProcate] Really Strange compiler behaviour

	 

	Hi,

	 

	I am experiencing some really strange behaviour on the 

	following lines in the constructor of DialogUsageManager:

	 

	mIncomingTarget = new IncomingTarget(*this);

	mOutgoingTarget = new OutgoingTarget(*this);

	 

	Actually the objects are created through _nh_malloc_dbg
	when I debug through the generic runtime implementation
	of the new operator; afterwards the constructors of
	the object and the inherited objects are called. Though,
	in the end the result from the new operator is not assigned
	to the pointer variable i.e. in the end the pointer variable
	is NULL.

	But if I note the pointer from the operator new implementation
	and assign it to the variable(s) manually in the debugger, everything
	is fine!

	Seems very strange to me! I'm using VS.NET 2005. All I could 
	think of here is probably the way the dum object itself is 
	passed into the constructor (*this)..?

	Does anyone have an idea why this happens? I thought of
	passing dum as a pointer instead, but that would require a 
	change to dum itself...

	I would be very thankful for any hints on this, I have no other
	idea about that...

	Best regards,

	Matthias Moetje

	 

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