Segmentation Fault

Thomas Regner tomte at subdimension.com
Thu Sep 2 04:28:03 BST 1999


On Wed, 01 Sep 1999, you wrote:
> i have a big problem !
> my programm looks like fine and work great.
> it must read directorys and fill it in my selfmade list.
> now, if i take two of these lists, the programm crashs without any message
> in kdevelop.
> 
> if i start it from a xterm, there can i see only the message: Segmentation
> Fault

Your app tries to get access to a place in memory that doesn't belong to it.
Normally this means that you messed around with array-borders (or something
similar), or that you used a variable unitialized, or that you use
class-members that are not initialized (maybe not in the scope you try to gain
access).  
The right way to figure it out is to debug your app (kdbg!) (you have
to compile it with the -g option, see Project->Options->Compiler-Options)
this is: 'walk through' the execution by setting brakepoints, to determine
where the error occurs, you may controle suspicious variables by adding them in
lower right 'variable track' window of kdbg (see kdbg help for reference)

hope this helps a bit,

bye

Tom
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