On Thu, Dec 13, 2012 at 10:55 AM, Shraddha Kamat <sh2008ka@xxxxxxxxx> wrote:
http://stackoverflow.com/questions/257418/do-while-0-what-is-it-good-forI notice
do {
// do something 1 ;
// do something 2 ;
...
} while (0);
being used everywhere in the kernel code
I just can't guess of any use of this other
than executing couple of C statements together ?
Is there any special purpose of doing this ??
Sorry of such a silly question - I am just trying
to learn kernel hacking basics.
-- Shraddha
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This link gives you a pretty good answer.
The basic rational behind using such a construct is when you want to a define a multi-line macro.
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