Re: while (1) vs. for ( ;; )

Michael B Allen said:

> Should there be any preference between the following logically equivalent
> statements?
>
> while (1) {
>
> vs.
>
> for ( ;; ) {
>
> I suspect the answer is "no" but I'd like to know what the consensus is
> so that it doesn't blink through my mind anymore when I type it.

while(1) will be flagged by many compilers as "conditional expression is
constant" or some such wording, whereas for(;;) will not be. Consequently,
for(;;) is preferable out of these two choices.

Personally, I prefer neither choice! I would rather have the loop control
statement explicitly document the exit condition (unless there genuinely
isn't one, such as might be the case in an electronic appliance like a
microwave oven, where "forever" can roughly be translated as "whilst power
is being supplied to the appliance").


--
Richard Heathfield
"Usenet is a strange place" - dmr 29 July 1999
http://www.cpax.org.uk
Email rjh at the above domain

.

Relevant Pages

  • Re: while (1) vs. for ( ;; )
    ... Michael B Allen wrote: ... > Should there be any preference between the following logically equivalent ... Prev by Date: ...
    (comp.lang.c)
  • while (1) vs. for ( ;; )
    ... Should there be any preference between the following logically equivalent ... I suspect the answer is "no" but I'd like to know what the consensus is ... Prev by Date: ...
    (comp.lang.c)
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