lkml.org 
[lkml]   [2006]   [Dec]   [16]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateSat, 16 Dec 2006 08:09:25 -0500 (EST)
From"Robert P. J. Day" <>
SubjectRe: lots of code could be simplified by using ARRAY_SIZE()
On Sat, 16 Dec 2006, Pavel Machek wrote:

> Hi!>> >   there are numerous places throughout the source tree that apparently
> > calculate the size of an array using the construct
> > "sizeof(fubar)/sizeof(fubar[0])". see for yourself:
> >
> >   $ grep -Er "sizeof\((.*)\) ?/ ?sizeof\(\1\[0\]\)" *
> >
> > but we already have, from "include/linux/kernel.h":
> >
> >   #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))>> Hmmm. quite misleading name :-(. ARRAY_LEN would be better.

i suspect it's *way* too late to make that kind of change, given that
"ARRAY_SIZE" is firmly ensconced in countless places in the source
tree and that would be a major, disruptive change.

even *i* wouldn't try to promote that idea.  :-)

rday
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2006-12-16 14:17    [from the cache]
©2003-2008