Bodo Moeller wrote:
>
> On Fri, Jul 30, 1999 at 09:49:57AM +0100, Ben Laurie wrote:
>
> >> I tried a = BN_dup(b);
> >>
> >> if b is NULL, it causes error. Is this normal or should it just
> >> duplicate NULL over to a?
>
> > It's at times like this that I wish they hadn't made && boolean.
> > Wouldn't it be cool to write:
> >
> > a=b && BN_dup(b);
> >
> > ? (Works in Perl, BTW).
>
> The equivalent in C is only slightly more verbose:
>
> a = b ? BN_dup(b) : NULL;
True, but the opposite is less satisfactory, i.e. a=b || c; where b is a
complex expression. Besides, it isn't nearly so neat.
Cheers,
Ben.
--
http://www.apache-ssl.org/ben.html
"My grandfather once told me that there are two kinds of people: those
who work and those who take the credit. He told me to try to be in the
first group; there was less competition there."
- Indira Gandhi
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