good catch, committed with that change, thanks
On Wed, Feb 03, 2010 at 03:38:02PM -0800, Micah Cowan wrote:
> It looks right to me; except that you may want to move the xfree(label)
> back down where it was before (with a NULL check on label), as otherwise
> it'll leak memory if some silly user specifies both -S _and_ -L.
>
> -mjc
>
> Nicholas Marriott wrote:
> > How about this instead? I think it should have the same effect.
> >
> > Index: tmux.c
> > ===================================================================
> > RCS file: /cvs/src/usr.bin/tmux/tmux.c,v
> > retrieving revision 1.66
> > diff -u -p -r1.66 tmux.c
> > --- tmux.c 3 Jan 2010 12:51:05 -0000 1.66
> > +++ tmux.c 3 Feb 2010 21:55:27 -0000
> > @@ -442,13 +442,29 @@ main(int argc, char **argv)
> > }
> > }
> >
> > - if (label == NULL)
> > - label = xstrdup("default");
> > - if (path == NULL && (path = makesockpath(label)) == NULL) {
> > - log_warn("can't create socket");
> > - exit(1);
> > + /*
> > + * Figure out the socket path. If specified on the command-line with
> > + * -S or -L, use it, otherwise try $TMUX or assume -L default.
> > + */
> > + if (path == NULL) {
> > + /* No -L. Try $TMUX, or default. */
> > + if (label == NULL) {
> > + if ((path = getenv("TMUX")) != NULL) {
> > + path = xstrdup(path);
> > + path[strcspn(path, ",")] = '\0';
> > + } else
> > + label = xstrdup("default");
> > + }
> > +
> > + /* -L or default set. */
> > + if (label != NULL) {
> > + if ((path = makesockpath(label)) == NULL) {
> > + log_warn("can't create socket");
> > + exit(1);
> > + }
> > + xfree(label);
> > + }
> > }
> > - xfree(label);
> >
> > if (shellcmd != NULL) {
> > msg = MSG_SHELL;
> >
> >
> > On Wed, Feb 03, 2010 at 08:29:00AM -0800, Micah Cowan wrote:
> >> Understood. I wasn't sure you would; I just dislike duplicating the same
> >>
> >> if ((path = makesockpath(...)) == NULL) {
> >> give_an_error_msg();
> >> exit(1);
> >> }
> >>
> >> twice in a row (once in one branch, and again in a branch of an outer
> >> if, IIRC - wherever the xmakesockpath calls are now). And avoiding the
> >> double with either an extra flag var (which I know you're not crazy
> >> about) or a goto looked even uglier to me. Maybe you'll find a solution
> >> you like better.
> >>
> >> -mjc
> >>
> >> Nicholas Marriott wrote:
> >>> Nice idea, will have a better look tonight but I'm not sure I like
> >>> the idea of makesockpath calling exit().
>
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