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90 lines
2.3 KiB
Bash
Executable File
90 lines
2.3 KiB
Bash
Executable File
#!/bin/sh
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# Check "printf" with long arguments.
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# Copyright (C) 2006 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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# 02110-1301, USA.
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: ${PERL=perl}
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$PERL -e 1 > /dev/null 2>&1 || {
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echo 1>&2 "$0: configure didn't find a usable version of Perl," \
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"so can't run this test"
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exit 77
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}
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framework_failure=0
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pwd=`${BUILD_SRC_DIR?}/pwd` || framework_failure=1
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t0=`echo "$0"|sed 's,.*/,,'`.tmp; tmp=$t0/$$
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trap 'status=$?; cd $pwd; chmod -R u+rwx $t0; rm -rf $t0 && exit $status' 0
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trap '(exit $?); exit $?' 1 2 13 15
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mkdir -p $tmp || framework_failure=1
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cd $tmp || framework_failure=1
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if test $framework_failure = 1; then
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echo "$0: failure in testing framework" 1>&2
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(exit 1); exit 1
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fi
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ARGV_0=$0
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export ARGV_0
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CWD=$pwd/$tmp
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export CWD
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$PERL -w -- - <<\EOF
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# Show that pwd works even when the length of the resulting
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# directory name is longer than PATH_MAX.
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use strict;
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use Cwd;
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(my $ME = $ENV{ARGV_0}) =~ s|.*/||;
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my $cwd = $ENV{CWD};
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my $z = 'z' x 31;
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my $n = 256;
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my $expected = $cwd . ("/$z" x $n);
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my $i = 0;
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do
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{
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mkdir $z, 0700
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or die "$ME: at depth $i: $!\n";
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chdir $z;
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}
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until (++$i == $n);
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my $build_src_dir = $ENV{BUILD_SRC_DIR};
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$build_src_dir
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or die "$ME: envvar BUILD_SRC_DIR not defined\n";
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my $pwd_binary = "$build_src_dir/pwd";
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-x $pwd_binary
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or die "$ME: $pwd_binary is not an executable file\n";
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chomp (my $actual = `$pwd_binary`);
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if ($expected ne $actual)
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{
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my $e_len = length $expected;
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my $a_len = length $actual;
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warn "expected len: $e_len\n";
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warn "actual len: $a_len\n";
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warn "expected: $expected\n";
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warn "actual: $actual\n";
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exit 1;
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}
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EOF
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