2 # Ensure dd treats `--' properly.
3 # Also test some flag values.
5 # Copyright (C) 1999, 2004, 2005, 2006 Free Software Foundation, Inc.
7 # This program is free software; you can redistribute it and/or modify
8 # it under the terms of the GNU General Public License as published by
9 # the Free Software Foundation; either version 2 of the License, or
10 # (at your option) any later version.
12 # This program is distributed in the hope that it will be useful,
13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 # GNU General Public License for more details.
17 # You should have received a copy of the GNU General Public License
18 # along with this program; if not, write to the Free Software
19 # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
27 if test "$VERBOSE" = yes; then
35 echo data > $tmp_in || test_failure=1
36 ln $tmp_in $tmp_in2 || test_failure=1
37 ln -s $tmp_in $tmp_sym || test_failure=1
38 if test $test_failure = 1; then
39 echo 'failure in testing framework'
43 dd if=$tmp_in of=$tmp_out 2> /dev/null || fail=1
44 cmp $tmp_in $tmp_out || fail=1
47 dd -- if=$tmp_in of=$tmp_out 2> /dev/null || fail=1
48 cmp $tmp_in $tmp_out || fail=1
50 if dd oflag=append if=$tmp_in of=$tmp_out 2> /dev/null; then
51 cmp $tmp_in $tmp_out || fail=1
54 if dd iflag=nofollow if=$tmp_in count=0 2> /dev/null; then
55 dd iflag=nofollow if=$tmp_sym count=0 2> /dev/null && fail=1
58 if dd iflag=directory if=. count=0 2> /dev/null; then
59 dd iflag=directory count=0 <. 2> /dev/null || fail=1
60 dd iflag=directory count=0 <$tmp_in 2> /dev/null && fail=1
63 old_ls=`ls -u --full-time $tmp_in`
65 if dd iflag=noatime if=$tmp_in of=$tmp_out 2> /dev/null; then
66 new_ls=`ls -u --full-time $tmp_in`
67 if test "x$old_ls" != "x$new_ls"; then
69 =================================================================
71 This operating system has the O_NOATIME file status flag,
72 but it is silently ignored in some cases.
73 Therefore, dd options like iflag=noatime may be silently ignored.
74 =================================================================
80 if dd oflag=nolinks if=$tmp_in of=$tmp_out 2> /dev/null; then
81 dd iflag=nolinks if=$tmp_in > /dev/null 2>&1 && fail=1
82 dd iflag=nolinks < $tmp_in > /dev/null 2>&1 && fail=1
83 dd oflag=nolinks < $tmp_in > $tmp_out 2>&1 || fail=1
86 outbytes=`echo x | dd bs=3 ibs=10 obs=10 conv=sync 2>/dev/null | wc -c`
87 test "$outbytes" -eq 3 || fail=1
89 rm -f $tmp_in $tmp_in2 $tmp_sym $tmp_out || fail=1
91 test $fail -eq 0 && fail=$warn