On Wed, Sep 16, 2015 at 11:13:37AM -0700, Junio C Hamano wrote:

> Jeff King <p...@peff.net> writes:
> 
> > +           free(file);
> > +           file = xstrfmt("%s/%s", maildir, list.items[i].string);
> 
> Repeated pattern makes one wonder if a thin wrapper
> 
>       xstrfmt_to(&file, "%s/%s", maildir, list.items[i].string);
> 
> that first frees the existing value and then overwrites is an
> overall win.  Perhaps not, as you would (1) initialize the variable
> to NULL before doing a series of xstrfmt_to(), and (2) free the final
> one yourself.

Yeah, exactly. If you want to wrap it up in something that understands
invariants, I think strbuf is the way to go. I dunno. Maybe I should
just have done this whole thing with strbufs.

-Peff
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