lkml.org 
[lkml]   [2005]   [Apr]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [08/08] uml: va_copy fix
Date
On Thursday 07 April 2005 11:16, Renate Meijer wrote:
> On Apr 6, 2005, at 9:09 PM, Blaisorblade wrote:

> > Btw: I've not investigated which one of the two behaviours is the
> > buggy one -
> > if you know, maybe you or I can report it.
>
> From a strict ISO-C point of view, both are. It's a gcc-specific
> "feature" which (agreed) does come in handy sometimes.

Well, for "range" assignments GCC mustn't complain, but for the rest the
double assignment laziness is not very useful. Could they at least add a
-Wsomething inside -Wall or -W for this problem?

> However it makes
> it quite hard to say which is the buggy version, since the
> "appropriate" behavior
> is a question of definition (by the gcc-folks). They may even argue
> that, having changed their minds about it, neither is buggy, but both
> conform to the specifications (for that specific functionality).
>
> That's pretty much the trouble with relying on gcc-extensions: since
> there's no standard, it's difficult to tell what's wrong and what's
> right. I'll dive into it.
>
> Regards,
>
> Renate Meijer.

--
Paolo Giarrusso, aka Blaisorblade
Linux registered user n. 292729
http://www.user-mode-linux.org/~blaisorblade


-
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: 2005-04-07 20:23    [W:0.039 / U:0.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site