On Wed, Oct 24, 2018 at 11:01:54AM +0200, Johannes Schindelin wrote:
> > @@ -910,6 +921,7 @@ int start_command(struct child_process *cmd)
> > }
> > #endif
> >
> > +end_of_spawn:
>
> Sadly, this fails to build on Windows:
>
> run-command.c: In function 'start_command':
> run-command.c:924:1: error: label 'end_of_spawn' defined but not used [-Werror=unused-label]
> end_of_spawn:
> ^~~~~~~~~~~~
Doh. I didn't think of that.
> How about squashing in this diff:
>
> -- snip --
> diff --git a/run-command.c b/run-command.c
> index 639ea5ac3366..3f03795a5995 100644
> --- a/run-command.c
> +++ b/run-command.c
> @@ -918,6 +918,8 @@ int start_command(struct child_process *cmd)
> close(fhout);
> if (fherr != 2)
> close(fherr);
> +
> + goto end_of_spawn;
> }
> #endif
>
> -- snap --
>
> I can confirm that the result compiles and passes t0061.
That leaves the Windows side of the #else with a funny, useless goto
(and without even a matching useless one on the Unix side). Let's put
it instead inside the half of the #if that actually uses it. Like so
(actually courtesy of Jonathan Nieder):
diff --git a/run-command.c b/run-command.c
index 639ea5ac33..d679cc267c 100644
--- a/run-command.c
+++ b/run-command.c
@@ -868,6 +868,8 @@ int start_command(struct child_process *cmd)
argv_array_clear(&argv);
free(childenv);
}
+end_of_spawn:
+
#else
{
int fhin = 0, fhout = 1, fherr = 2;
@@ -921,7 +923,6 @@ int start_command(struct child_process *cmd)
}
#endif
-end_of_spawn:
if (cmd->pid < 0) {
if (need_in)
close_pair(fdin);
Thanks for your review!
-Peff
