Oh you want to reach the error-reporting code...
> How about checking the return value of fclose() in output_finish() instead?
>
> Jeremie Courreges-Anglas <[email protected]> wrote:
> >
> >
> > Checking the return value of fprintf is good but not enough to ensure
> > that data has properly been written to the file without an error. To do
> > that we can use fflush(3) in a single place.
> >
> > Build-tested only. ok?
> >
> > Bonus: in output_finish(), "out = NULL;" is pointless, so zap it.
> > I suspect it's a remnant from a time where the output FILE * was
> > a global. That would be a separate commit.
> >
> >
> > Index: output.c
> > ===================================================================
> > RCS file: /d/cvs/src/usr.sbin/rpki-client/output.c,v
> > retrieving revision 1.6
> > diff -u -p -p -u -r1.6 output.c
> > --- output.c 6 Mar 2020 17:36:42 -0000 1.6
> > +++ output.c 6 Mar 2020 19:09:13 -0000
> > @@ -71,7 +71,7 @@ outputfiles(struct vrp_tree *v)
> > rc = 1;
> > continue;
> > }
> > - if ((*outputs[i].fn)(fout, v) != 0) {
> > + if ((*outputs[i].fn)(fout, v) != 0 || fflush(fout) != 0) {
> > logx("output for %s format failed", outputs[i].name);
> > fclose(fout);
> > output_cleantmp();
> > @@ -112,8 +112,6 @@ void
> > output_finish(FILE *out)
> > {
> > fclose(out);
> > - out = NULL;
> > -
> > rename(output_tmpname, output_name);
> > output_tmpname[0] = '\0';
> > }
> >
> >
> >
> > --
> > jca | PGP : 0x1524E7EE / 5135 92C1 AD36 5293 2BDF DDCC 0DFA 74AE 1524 E7EE
> >
>