On Fri, Feb 03, 2023 at 11:57:11AM +0000, Johannes Thumshirn wrote: > On 02.02.23 21:45, Matthew Wilcox (Oracle) wrote: > > + fprintf(stderr, "Truncation did not zero new bytes:\n"); > > + for (i = 0; i < 5; i++) > > + fprintf(stderr, "%#x ", buf[i]); > > + fputc('\n', stderr); > > > > [...] > > > + > > +$here/src/truncate-zero $test_file > $seqres.full 2>&1 || > > + _fail "truncate zero failed!" > > + > Is '_fail' really needed here? truncate-zero will spit out an error message > in case the truncation doesn't work. I don't know what I'm doing. I totally cargo-culted 706 to make 707. If someone wants to completely rewrite it, go ahead!