[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]

Re: [libvirt] [PATCH 7/9] remove remainder of offending strerror uses



On Tue, Feb 03, 2009 at 04:06:18PM +0100, Jim Meyering wrote:
> >> - err_delbr1:
> >> + err_delbr1:;
> >> +    char ebuf[1024];
> >
> > A stray ';'  crept in there.
> 
> Actually, it's required by C.
> The ";" adds an empty statement before the new declaration,
> to serve as a target for the label.

That's pretty horrible :-(  I'd prefer it to just move the
ebuf inside the following if() {} block where its used, or
to the other var decls at the start of the function.

> >> @@ -788,29 +789,30 @@ static int umlStartVMDaemon(virConnectPtr conn,
> >>          return -1;
> >>      }
> >>
> >> +    char ebuf[1024];
> >>      tmp = progenv;
> >>      while (*tmp) {
> >
> > Here, the var decl should be inside the while() loop too
> 
> Well, if I move the decl into that first while loop, then I'd have
> to add 3 more, one into the next while loop, and then two more,
> each into currently-single-stmt if-blocks.  Seems slightly better
> to add just that one decl than to add 4.

If its used in lots of places in the function, then its clearer to
declare at the start of the function.

Daniel
-- 
|: Red Hat, Engineering, London   -o-   http://people.redhat.com/berrange/ :|
|: http://libvirt.org  -o-  http://virt-manager.org  -o-  http://ovirt.org :|
|: http://autobuild.org       -o-         http://search.cpan.org/~danberr/ :|
|: GnuPG: 7D3B9505  -o-  F3C9 553F A1DA 4AC2 5648 23C1 B3DF F742 7D3B 9505 :|


[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]