Re: Cast abuse
- From: Matthias Andree <ma+balsa dt e-technik uni-dortmund de>
- To: Balsa List <balsa-list gnome org>
- Subject: Re: Cast abuse
- Date: Tue, 20 Nov 2001 10:58:39 +0100
On Mon, 19 Nov 2001, Brian Stafford wrote:
> <rant>
> As a general point, I feel that when programming in C, if a cast is used,
> something is wrong in the code. All reasonable efforts should be made to
> rewrite the code avoiding the cast. Use casts only as a last resort, after
> all a cast silences the compiler about potential coding errors. Also
> remember that void pointers eliminate the need for a lot of casts, e.g. code
> like "ptr = (int *) malloc(..." is always unnecessary since malloc returns a
> void *. Just write "ptr = malloc(...". The same goes for comparisons with
> void pointers, forget the cast.
> </rant>
Well, you will HAVE TO use casts away from void * in C++, and it's
pretty reasonable to do that in C as well. You CANNOT avoid casts for
socket functions either (didn't look at your patch). If you're after
type-safe programming, go for Ada95 or even stricter languages.
Note, GCC has some warnings about cast abuse you can turn on.
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