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From: Thomas Minor on 24 May 2007 02:43
Hello,

we are migrating a large codebase from vc6 to vc8 while adding Windows Vista
to
our supported Platfoms. We experience some strange program terminations with
the
new code on the vista platform, while everything runs fine on a XP box.

At the moment, we suspect some compiler setting like /GS to be part of the
problem,
but we are open to suggestions.

Bye,

-- Thomas


From: "Jeffrey Tan[MSFT]" on 24 May 2007 04:35
Hi Thomas,

Can you show me some detailed information regarding the "strange program
terminations"? Do you experience any unhandled exceptions in the program?
Can you show me the error details of this termination? If so, I would
recommend you to follow the steps below to obtain the call stack of the
unhandled exception:
"How to debug application crash/hang in production environment?"
http://blogs.msdn.com/msdnts/archive/2006/11/24/how-to-debug-application-cra
sh-hang-in-production-environment.aspx

Additionally, why do you think it is something to do with the /GC compiler
option? I hope you can provide some detailed information to help us
identify the root cause.

Thanks.

Best regards,
Jeffrey Tan
Microsoft Online Community Support
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From: MrAsm on 24 May 2007 05:48
On Thu, 24 May 2007 08:43:05 +0200, "Thomas Minor"
<Thomas.Minor(a)newsgroup.nospam> wrote:

>we are migrating a large codebase from vc6 to vc8 while adding Windows Vista
>to
>our supported Platfoms. We experience some strange program terminations with
>the
>new code on the vista platform, while everything runs fine on a XP box.
>

>At the moment, we suspect some compiler setting like /GS to be part of the
>problem,
>but we are open to suggestions.

Hi,

I believe that /GS switch is a very good friend: it helps you develop
more robust and secure code.
Maybe are you having buffer overruns in your code?
Do you use raw C arrays or raw C strings in your code, or are you
using the more robust classes like MFC CString or CArray or
std::string and STL collection classes?

MrAsm
From: MrAsm on 24 May 2007 06:12
On Thu, 24 May 2007 08:43:05 +0200, "Thomas Minor"
<Thomas.Minor(a)newsgroup.nospam> wrote:

>we are migrating a large codebase from vc6 to vc8 while adding Windows Vista
>to
>our supported Platfoms. We experience some strange program terminations with
>the
>new code on the vista platform, while everything runs fine on a XP box.

Moreover, we add a thread on this newsgroup (started on April 13th),
about porting problems to Vista, exspecially with drag-and-drop (I
don't know if your codebase does some D&D): the thread subject is:

"Visual C++ 6.0, Vista, Drag'n'Drop and evelation..."

You might also consider the following link interesting (this link
appeared also in the above thread):


http://forums.microsoft.com/MSDN/ShowPost.aspx?PostID=1452350&SiteID=1

MrAsm
From: Joseph M. Newcomer on 24 May 2007 08:47
OK, so the message box pops up and says "strange program termination", right?

Otherwise, presumably there is something actually informative produced. What is the exact
description of what you see?
joe

On Thu, 24 May 2007 08:43:05 +0200, "Thomas Minor" <Thomas.Minor(a)newsgroup.nospam> wrote:

>Hello,
>
>we are migrating a large codebase from vc6 to vc8 while adding Windows Vista
>to
>our supported Platfoms. We experience some strange program terminations with
>the
>new code on the vista platform, while everything runs fine on a XP box.
>
>At the moment, we suspect some compiler setting like /GS to be part of the
>problem,
>but we are open to suggestions.
>
>Bye,
>
>-- Thomas
>
Joseph M. Newcomer [MVP]
email: newcomer(a)flounder.com
Web: http://www.flounder.com
MVP Tips: http://www.flounder.com/mvp_tips.htm
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