On Tue, 1 May 2007, Satyam Sharma wrote:
> Actually, the latter style (one condition per line and the && or ||
> operators appearing _before_ the conditions in subsequent lines)
> is quite popular for multi-line compound conditions (well, I've seen this
> in kernel/workqueue.c, kernel/stop_machine.c, etc at least, and also in
> Linus' code, if I'm not mistaken). We also align subsequent lines to the
> column of the condition belonging to the same "logical level" on the
> previous line using _spaces_ (note that this is alignment, not indentation,
> using spaces). The rationale is to make the operator prominent and thus make
> the structure of a complex multi-line compound conditional expression more
> readable and obvious at first glance itself. For example, consider:
>
> if (veryverylengthycondition1 &&
> smallcond2 &&
> (conditionnumber3a ||
> condition3b)) {
> ...
> }
>
> versus
>
> if (veryverylengthycondition1
> && smallcond2
> && (conditionnumber3a
> || condition3b)) {
> ...
> }
>
> ?
>
> Latter wins, doesn't it?
... because you forgot to align subsequent lines to the column of the
condition belonging to the same "logical level" on the previous line.
Consider this:
if (veryverylengthycondition1 &&
smallcond2 &&
(conditionnumber3a ||
condition3b)) {
...
}
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- [email protected]
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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