On Sun, Aug 2, 2020 at 7:39 AM René Scharfe <l.s.r@xxxxxx> wrote: > @@ -135,16 +135,10 @@ int check_connected(oid_iterate_fn fn, void *cb_data, > if (new_pack && find_pack_entry_one(oid.hash, new_pack)) > continue; > > - memcpy(commit, oid_to_hex(&oid), hexsz); > - if (write_in_full(rev_list.in, commit, hexsz + 1) < 0) { > - if (errno != EPIPE && errno != EINVAL) > - error_errno(_("failed write to rev-list")); > - err = -1; > - break; > - } > + fprintf(rev_list_in, "%s\n", oid_to_hex(&oid)); > } while (!fn(cb_data, &oid)); > > - if (close(rev_list.in)) > + if (fclose(rev_list_in)) > err = error_errno(_("failed to close rev-list's stdin")); > > sigchain_pop(SIGPIPE); > -- > 2.28.0 The same ferror()-before-fclose() remarks apply here too, but this time the explicit errno checking (EPIPE) cannot be done -- it's too late, errno is probably overwritten. I'm not sure how valuable the explicit errno tests are in the first place so I will leave that to others, but if we want to keep the explicit tests, use: if (fprintf(...) < 0) to check each fprintf(), and add a final fflush() call (with another check) before the fclose(). Chris