On Fri, 8 Jun 2001, Andrew James Richardson wrote:
>> The original says "if a and b then c", while yours says:
>>
>> "if a and b then c"
>>
>> Your multiple if block is syntactically equivalent to
>>
>> if ( !image && !image->Data)
>>
>> Notice the flipping of || to && from the original example.
On Fri, 8 Jun 2001, Mike A. Harris wrote:
> On Fri, 8 Jun 2001, Andrew James Richardson wrote:
>
> >> > >> > ---
> >> > >if ( !image || !image->Data)
> >> >
> >
> >Brian,
> >
> > I thought that in the C specs you can't be guarenteed the order of
> >evaluation in an if
On Fri, 8 Jun 2001, Joaquin Cuenca Abela wrote:
>> You're right here. But as as long as you only READ
>> it should make no
>> difference (IMHO)...
>
>if it's right, it makes a big difference. If you try:
>
>if (!image->Data || !image)
>
>the program will segfault trying to access the member
>Dat
On Fri, 8 Jun 2001, Andrew James Richardson wrote:
>> > > > ---
>> > >if ( !image || !image->Data)
>> >
>
>Brian,
>
> I thought that in the C specs you can't be guarenteed the order of
>evaluation in an if brace. Surely a safer bet is
>
> if(!image){
>
