2 # Ensure dd treats `--' properly.
3 # Also test some flag values.
5 # Copyright (C) 1999, 2004-2008 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 3 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, see <http://www.gnu.org/licenses/>.
20 if test "$VERBOSE" = yes; then
34 echo data > $tmp_in || framework_failure
35 ln $tmp_in $tmp_in2 || framework_failure
36 ln -s $tmp_in $tmp_sym || framework_failure
38 dd if=$tmp_in of=$tmp_out 2> /dev/null || fail=1
39 compare $tmp_in $tmp_out || fail=1
42 dd -- if=$tmp_in of=$tmp_out 2> /dev/null || fail=1
43 compare $tmp_in $tmp_out || fail=1
45 if dd oflag=append if=$tmp_in of=$tmp_out 2> /dev/null; then
46 compare $tmp_in $tmp_out || fail=1
49 case $(cat /dev/stdin <$tmp_in 2>/dev/null) in
52 dd if=/dev/stdin of=$tmp_out <$tmp_in || fail=1
53 compare $tmp_in $tmp_out || fail=1
56 if dd iflag=nofollow if=$tmp_in count=0 2> /dev/null; then
57 dd iflag=nofollow if=$tmp_sym count=0 2> /dev/null && fail=1
60 if dd iflag=directory if=. count=0 2> /dev/null; then
61 dd iflag=directory count=0 <. 2> /dev/null || fail=1
62 dd iflag=directory count=0 <$tmp_in 2> /dev/null && fail=1
65 old_ls=`ls -u --full-time $tmp_in`
67 if dd iflag=noatime if=$tmp_in of=$tmp_out 2> /dev/null; then
68 new_ls=`ls -u --full-time $tmp_in`
69 if test "x$old_ls" != "x$new_ls"; then
71 =================================================================
73 This operating system has the O_NOATIME file status flag,
74 but it is silently ignored in some cases.
75 Therefore, dd options like iflag=noatime may be silently ignored.
76 =================================================================
82 if dd oflag=nolinks if=$tmp_in of=$tmp_out 2> /dev/null; then
83 dd iflag=nolinks if=$tmp_in > /dev/null 2>&1 && fail=1
84 dd iflag=nolinks < $tmp_in > /dev/null 2>&1 && fail=1
85 dd oflag=nolinks < $tmp_in > $tmp_out 2>&1 || fail=1
88 outbytes=`echo x | dd bs=3 ibs=10 obs=10 conv=sync 2>/dev/null | wc -c`
89 test "$outbytes" -eq 3 || fail=1
91 (echo a; sleep .1; echo b) \
92 | LC_ALL=C dd bs=4 status=noxfer iflag=fullblock >out 2>err || fail=1
93 printf 'a\nb\n' > out_ok || framework_failure
95 1+0 records out" > err_ok || framework_failure
96 compare out_ok out || fail=1
97 compare err_ok err || fail=1
99 test $fail -eq 0 && fail=$warn
101 (exit $fail); exit $fail