Re: Question about Malloc

["Matías Aguirre" <matiasaguirre@gmail.com>]

i agree with that, i didn't fix inside de malloc, i only suggested
about the cast

but my big error was speak about c++ and not about c, in c++ the
compiler (g++ in this case) warn you about that conversion....

sorry

On Tue, 19 Oct 2004 15:27:38 +0200, Jan-Benedict Glaw <jbglaw@lug-owl.de> wrote:
> On Tue, 2004-10-19 09:41:49 -0300, Matías Aguirre <matiasaguirre@gmail.com>
> wrote in message <a3c4234104101905413e127d3e@mail.gmail.com>:
> > It's not safer to make:
> >
> > Recpointer r;
> > r=(Recpointer)malloc(Recpointer);
> 
> malloc is void, while r isn't. So you don't need the cast here. However,
> notice that your malloc call is actually wrong: the argument isn't a
> number (or sizeof(something)), but only a type.
> 
> General rule of thumb:
> 
>         The "output" of malloc should be assigned to a variable whose
>         type is a pointer to whatever you give to sizeof(xxx) as the
>         malloc argument.
> 
> or in short:
> 
>         One star more on the left than on the right.
> 
> Of course, if you play with types, this doesn't apply any longer...
> 
> 
> 
> MfG, JBG
> 
> --
> Jan-Benedict Glaw       jbglaw@lug-owl.de    . +49-172-7608481             _ O _
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> 
> 


-- 
Matías Aguirre
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