lkml.org 
[lkml]   [1999]   [Jun]   [28]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: do {} while(0)


On Mon, 28 Jun 1999, wu_yb wrote:

> There are many
> do {} while(0)
> do { ... } while(0)
> in kernel source.
> Any difference between {} and do {} while(0); or
^
Notice the absence of ; in definition. It's an old trick.
#define X {}
is bad since if (foo) X; else bar(); will be screwed. do-while eats a
semicolon.


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

\
 
 \ /
  Last update: 2005-03-22 13:52    [W:0.030 / U:25.360 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site