writing lines to the driver

[-= JB =-]

Something really strange is happening.

The driver I was writing to mentioned below is the internal modem on  
a Mac G4 AGP.
You use the AT commands to control the modem.

I used to be able to enter AT&V and then it would put the  
configuration into a field.
The configuration consists of a number of lines of text but not  
extremely large.

Now when I enter the AT&V command it puts about nine lines of text  
into the field
and then Rev crashes.  If I use this program on another machine I  
have and enter
the AT&V command it puts the configuration into the field like the  
first Mac used
to do.  But when I copy the text in the field it was put in Rev crashes.

This looks to me like some memory/buffer management problems with Rev  
to me
but I really don't know what it is.  Why did the first Mac used to  
list the configuration
without any problem and now only list part of it then crashes Rev?  I  
have not made
any changes to my knowledge that would cause this.  And why can't the  
other Mac
copy a small amount of text after writing the AT&V command to the  
driver?

-=>JB<=-



On Dec 5, 2008, at 11:29 AM, -= JB =- wrote:

> When I open a driver port I am able to write to the driver and  
> close the port without any problems.
> I can open the driver port and write to the driver 9 times writing  
> one line at a time no problems.
> After I write the 10th line to the driver Rev crashes.
> If I close the port after writing line 9 to the driver I can write  
> to the driver 9 more times.
>
> The line can have a few chars or a large line of text and the crash  
> still comes after writing to the
> driver 9 times.
>
> How can I clear any buffer or whatever is doing the counting  
> without closing the port and the
> needing to reopen the port to keep writing lines to the driver?
>
> -=>JB<=-
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