🚀 go-pugleaf

In article <ANDRZEJ.92Oct9135447@bcars268.bnr.ca>, andrzej@bnr.ca
(Andrzej Bieszczad) writes:
> In article <1992Oct9.160154.2427@bnr.ca> crlstu4@bnr.ca (Goetz von
Escher) writes:
> 
>    Hi there!
> 
>    Is there a way to find out if a pointer is a valid pointer in C/C++?
>    Or in other words: If I want to read a value in memory, how do I
>    know wether I can read the value at this address without causing
>    an exception (bus error, segmentation fault and that stuff)?
> 
>    Anything?
>    Goetz
> 
> Perhaps you can intercept the signals?
> 
> However, using an invalid pointer is a bug that should be fixed and
> not handled. Use PURIFY to clean up your programs.
> 
> --
> ==========================================================================
> Andrzej Bieszczad                     | Phone:  (613) 763-2259
> Bell-Northern Research, Ltd.,         | Fax:    (613) 763-2626
> Dept. 9K12, P.O. Box 3511, Station C, | email:	andrzej@BNR.CA
> Ottawa, Ontario, Canada, K1Y 4H7      | "Welcome to the machine"-Pink Floyd
> ===========================================================================
> 
Suppose you are writing a utility and want to check that you have 
been passed valid parameters? Isn't Andrzej practicing safe style? :)
Dan
My views are my own; BNR does not necessarily agree; my wife never does.