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

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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
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