lkml.org 
[lkml]   [2000]   [Oct]   [17]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Patch to remove undefined C code
On Tue, 17 Oct 2000, Richard Guenther wrote:
> On Tue, 17 Oct 2000, Bernd Schmidt wrote:
> > On Tue, 17 Oct 2000, Richard Guenther wrote:
> > > The following one is wrong, tho - should be rather
> > > str[i] = dn[i]; i++;
> >
> > Nope. (Well, at least you need to add extra braces.) The comma is a
> > sequence point.
>
> Umm, I thought, dn[i], i++ evaluates to i and dn[i++] evaluates
> to dn[i], so it should be either i++, dn[i-1] or the one I showed
> above?

According to operator precedence rules,
str[i] = dn[i], i++;
is equivalent to
(str[i] = dn[i]), i++;

Comma has the lowest precedence of all C operators.


Bernd

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

\
 
 \ /
  Last update: 2005-03-22 12:41    [W:0.075 / U:0.324 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site