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echo: nthelp
to: Paul Ranson
from: Geo
date: 2004-11-22 22:17:10
subject: Re: C++ for beginners?

From: "Geo" 

what does the *loglines part of this do?

Geo.

"Paul Ranson"  wrote in message
news:41a289a5$1{at}w3.nls.net...
> I'm guessing you allocated this as an 'automatic', IOW on the stack. Your
> exe probably has a maximum stack size of 1MB. So bang.
>
> Simplest would be to make your stack bigger, this is usually a linker
> option.
>
> Or allocate on the heap, this is the proper choice but you are going to
> enter a really dark cavern if you go this way.
>
> Try,
>
> char (*loglines)[256] = new char [4096][256] ;
>
> use as you would your declaration and at the end it's polite to call,
>
> delete [] loglines ;
>
> You can vary the 4096 at run time.
>
> I need to say that this is not the right approach, you should create a
> std::vector of std::string. But I guess this isn't covered yet. Have fun
> debugging...
>
> Paul
>
> "Geo"  wrote in message
news:41a27985$1{at}w3.nls.net...
> > "Ellen K."  wrote in message
> > news:5ls4q0lkbad640ph8hda115n0ge1p4f939{at}4ax.com...
> >
> >> Arrays of user-defined types are VERY lightweight and very fast, I have
> >> to say.
> >
> > in C++ arrays appear to be limited in size, I tried to create a 2
> > dimensional array to hold a 4mb log file and the program blew up on the
> > array definition every time. Basically the log file was a bunch of text
> > lines with a length of 254 or less so I defined an array
> > char loglines{4096][256]
> >
> > but it didn't seem to like that at all.  Haven't had time to ask teach
why
> > yet. Anyone want to take a stab at it?
> >
> > Geo.
> >
> >
>
>

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