2 # Ensure that du does not rely on narrow types like size_t for
5 # Copyright (C) 2003, 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
22 if test "$VERBOSE" = yes; then
27 . $srcdir/../envvar-check
28 . $srcdir/../sparse-file
31 t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
32 trap 'status=$?; cd "$pwd" && chmod -R u+rwx $t0 && rm -rf $t0 && exit $status' 0
33 trap '(exit $?); exit $?' 1 2 13 15
36 mkdir -p $tmp || framework_failure=1
37 cd $tmp || framework_failure=1
39 if test $framework_failure = 1; then
40 echo "$0: failure in testing framework" 1>&2
44 dd bs=1 seek=8G of=big < /dev/null 2> /dev/null
46 echo "$0: cannot create a file large enough for this test; possibly" 1>&2
47 echo "$0: because file offsets are only 32 bits on this file system" 1>&2
51 # FIXME: this should be a test of dd.
52 # On some systems (at least linux-2.4.18 + NFS to disks on a Solaris system)
53 # the `dd' command above mistakenly creates a file of length `0', yet
54 # doesn't fail. The root of that failure is that the ftruncate call
55 # returns zero but doesn't do its job. Detect this failure.
58 if test "$size" = 0; then
59 echo "$0: cannot create a file large enough for this test;" 1>&2
60 echo "$0: possibly because this system's NFS support is buggy;" 1>&2
61 echo "$0: Consider rerunning this test on a different file system." 1>&2
67 # This would print `0 big' with coreutils-4.5.8.
68 du -ab big > out || fail=1
75 test $fail = 1 && diff out exp 2> /dev/null
77 (exit $fail); exit $fail