#!/bin/sh # ensure that tac works with non-seekable or quasi-seekable inputs # Copyright (C) 2011-2020 Free Software Foundation, Inc. # This program is free software: you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # You should have received a copy of the GNU General Public License # along with this program. If not, see . . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ tac echo x | tac - - > out 2> err || fail=1 echo x > exp || framework_failure_ compare exp out || fail=1 compare /dev/null err || fail=1 # Make sure it works on funny files in /proc and /sys. for file in /proc/version /sys/kernel/profiling; do if test -r $file; then cp -f $file copy && tac copy > exp1 || framework_failure_ tac $file > out1 || fail=1 compare exp1 out1 || fail=1 fi done # Assume timeout is due to failure to close stdin with <&- # which was seen on NetBSD 7.1 / x86_64 returns_ 124 timeout 10 tac - - <&- 2>err && skip_ 'error closing stdin' # This failed due to heap corruption from v8.15-v8.25 inclusive. returns_ 1 timeout 10 tac - - <&- 2>err || fail=1 Exit $fail