Re: debug assertion problem

From:
Ulrich Eckhardt <eckhardt@satorlaser.com>
Newsgroups:
microsoft.public.vc.language
Date:
Mon, 17 Aug 2009 11:35:21 +0200
Message-ID:
<prknl6-qv7.ln1@satorlaser.homedns.org>
Sridhar wrote:

char messs[200]="";


Fixed-size strings are always dangerous.

EVENTMSG *mesg=NULL;

---------
--------
GetClassName(mesg->hwnd,messs,200);


Unless 'mesg' now points to something and that something has a non-NULL
hwnd, this code is bad.

if(messs[0]!=NULL)


'messs' is a char-array. 'messs[0]' is a char. You are comparing this with a
NULL-pointer constant, which is not really meaningful. What do you mean
with that test?

is the code is write?


Probably not.

but when i run it is giving debug assertion problem
at "if" condition(showing str!=NULL, at line 113)..some one help me on
this plz.


There's not enough info. The 'messs[0]!=NULL' can and does not invoke an
assertion in above context. If it does on your machine, you didn't provide
sufficient or incorrect info about your code.

it is vc++6.0 code.


VC6 is old and unsupported. I'd really consider upgrading to anything that
is less than ten years old.

Uli

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