xref: /openbsd/gnu/usr.bin/perl/t/op/stat.t (revision eac174f2)
1#!./perl
2
3BEGIN {
4    chdir 't' if -d 't';
5    require './test.pl';	# for which_perl() etc
6    set_up_inc('../lib');
7}
8
9use strict;
10use warnings;
11use Config;
12
13my ($Null, $Curdir);
14if(eval {require File::Spec; 1}) {
15    $Null = File::Spec->devnull;
16    $Curdir = File::Spec->curdir;
17} else {
18    die $@ unless is_miniperl();
19    $Curdir = '.';
20    diag("miniperl failed to load File::Spec, error is:\n$@");
21    diag("\ncontinuing, assuming '.' for current directory. Some tests will be skipped.");
22}
23
24if ($^O eq 'MSWin32') {
25    # under minitest, buildcustomize sets this to 1, which means
26    # nlinks isn't populated properly, allow nlinks tests to pass
27    ${^WIN32_SLOPPY_STAT} = 0;
28}
29
30my $Errno_loaded = eval { require Errno };
31
32plan tests => 111;
33
34my $Perl = which_perl();
35
36$ENV{LC_ALL}   = 'C';		# Forge English error messages.
37$ENV{LANGUAGE} = 'C';		# Ditto in GNU.
38
39my $Is_Amiga   = $^O eq 'amigaos';
40my $Is_Cygwin  = $^O eq 'cygwin';
41my $Is_Darwin  = $^O eq 'darwin';
42my $Is_MSWin32 = $^O eq 'MSWin32';
43my $Is_OS2     = $^O eq 'os2';
44my $Is_Solaris = $^O eq 'solaris';
45my $Is_VMS     = $^O eq 'VMS';
46my $Is_MPRAS   = $^O =~ /svr4/ && -f '/etc/.relid';
47my $Is_Android = $^O =~ /android/;
48my $Is_Dfly    = $^O eq 'dragonfly';
49
50my $Is_Dosish  = $Is_OS2 || $Is_MSWin32;
51
52my $ufs_no_ctime = ($Is_Dfly || $Is_Darwin) && (() = `df -t ufs . 2>/dev/null`) == 2;
53
54my $Is_linux_container = is_linux_container();
55
56if ($Is_Cygwin && !is_miniperl) {
57  require Win32;
58  Win32->import;
59}
60
61my($DEV, $INO, $MODE, $NLINK, $UID, $GID, $RDEV, $SIZE,
62   $ATIME, $MTIME, $CTIME, $BLKSIZE, $BLOCKS) = (0..12);
63
64my $tmpfile = tempfile();
65my $tmpfile_link = tempfile();
66
67chmod 0666, $tmpfile;
68unlink_all $tmpfile;
69open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
70close FOO;
71
72open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
73
74my($nlink, $mtime, $ctime) = (stat(FOO))[$NLINK, $MTIME, $CTIME];
75
76# The clock on a network filesystem might be different from the
77# system clock.
78my $Filesystem_Time_Offset = abs($mtime - time);
79
80#nlink should if link support configured in Perl.
81SKIP: {
82    skip "No link count - Hard link support not built in.", 1
83	unless $Config{d_link};
84
85    is($nlink, 1, 'nlink on regular file');
86}
87
88SKIP: {
89  skip "mtime and ctime not reliable", 2
90    if $Is_MSWin32 or $Is_Cygwin or $Is_Darwin;
91
92  ok( $mtime,           'mtime' );
93  is( $mtime, $ctime,   'mtime == ctime' );
94}
95
96
97# Cygwin seems to have a 3 second granularity on its timestamps.
98my $funky_FAT_timestamps = $Is_Cygwin;
99sleep 3 if $funky_FAT_timestamps;
100
101print FOO "Now is the time for all good men to come to.\n";
102close(FOO);
103
104sleep 2;
105
106my $has_link = 1;
107my $inaccurate_atime = 0;
108if (defined &Win32::IsWinNT && Win32::IsWinNT()) {
109    if (Win32::FsType() ne 'NTFS') {
110        $has_link            = 0;
111	$inaccurate_atime    = 1;
112    }
113}
114
115SKIP: {
116    skip "No link on this filesystem", 6 unless $has_link;
117    unlink $tmpfile_link;
118    my $lnk_result = eval { link $tmpfile, $tmpfile_link };
119    skip "link() unimplemented", 6 if $@ =~ /unimplemented/;
120
121    is( $@, '',         'link() implemented' );
122    ok( $lnk_result,    'linked tmp testfile' );
123    ok( chmod(0644, $tmpfile),             'chmoded tmp testfile' );
124
125    my($nlink, $mtime, $ctime) = (stat($tmpfile))[$NLINK, $MTIME, $CTIME];
126
127    SKIP: {
128        skip "No link count", 1 if $Config{dont_use_nlink};
129        skip "Cygwin9X fakes hard links by copying", 1
130          if $Config{myuname} =~ /^cygwin_(?:9\d|me)\b/i;
131
132        is($nlink, 2,     'Link count on hard linked file' );
133    }
134
135    SKIP: {
136	skip_if_miniperl("File::Spec not built for minitest", 2);
137        my $cwd = File::Spec->rel2abs($Curdir);
138        skip "Solaris tmpfs has different mtime/ctime link semantics", 2
139                                     if $Is_Solaris and $cwd =~ m#^/tmp# and
140                                        $mtime && $mtime == $ctime;
141        skip "AFS has different mtime/ctime link semantics", 2
142                                     if $cwd =~ m#$Config{'afsroot'}/#;
143        skip "AmigaOS has different mtime/ctime link semantics", 2
144                                     if $Is_Amiga;
145        # Win32 could pass $mtime test but as FAT and NTFS have
146        # no ctime concept $ctime is ALWAYS == $mtime
147        skip "No ctime concept on this OS", 2
148                                     if $Is_MSWin32 || $ufs_no_ctime;
149        my $ok_mtime = ok($mtime, 'hard link mtime');
150        local our $TODO;
151        # https://bugs.dragonflybsd.org/issues/3251
152        # this might be hammer/hammer2 specific
153        $TODO = "DragonFly BSD doesn't touch ctime on link()/chmod"
154            if $^O eq "dragonfly" && $Config{myuname} =~ /5\.8/;
155        if(!$ok_mtime ||
156            !isnt($mtime, $ctime, 'hard link ctime != mtime') ) {
157            print STDERR <<DIAG;
158# Check if you are on a tmpfs of some sort.  Building in /tmp sometimes
159# has this problem.  Building on the ClearCase VOBS filesystem may also
160# cause this failure.
161#
162# Some UFS implementations don't have a ctime concept, and thus are
163# expected to fail this test.
164DIAG
165        }
166    }
167
168}
169
170# truncate and touch $tmpfile.
171open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
172ok(-z \*F,     '-z on empty filehandle');
173ok(! -s \*F,   '   and -s');
174close F;
175
176ok(-z $tmpfile,     '-z on empty file');
177ok(! -s $tmpfile,   '   and -s');
178
179open(F, ">$tmpfile") || DIE("Can't open temp test file: $!");
180print F "hi\n";
181close F;
182
183open(F, "<$tmpfile") || DIE("Can't open temp test file: $!");
184ok(!-z *F,     '-z on empty filehandle');
185ok( -s *F,   '   and -s');
186close F;
187
188ok(! -z $tmpfile,   '-z on non-empty file');
189ok(-s $tmpfile,     '   and -s');
190
191
192# Strip all access rights from the file.
193ok( chmod(0000, $tmpfile),     'chmod 0000' );
194
195SKIP: {
196    skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS;
197
198    SKIP: {
199        # Going to try to switch away from root.  Might not work.
200        my $olduid = $>;
201        eval { $> = 1; };
202        skip "Can't test -r or -w meaningfully if you're superuser", 2
203          if ($Is_Cygwin ? _ingroup(544, 1) : $> == 0);
204
205            ok(!-r $tmpfile,    "   -r");
206        ok(!-w $tmpfile,    "   -w");
207
208        # switch uid back (may not be implemented)
209        eval { $> = $olduid; };
210    }
211
212    ok(! -x $tmpfile,   '   -x');
213}
214
215
216
217ok(chmod(0700,$tmpfile),    'chmod 0700');
218ok(-r $tmpfile,     '   -r');
219ok(-w $tmpfile,     '   -w');
220
221SKIP: {
222    skip "-x simply determines if a file ends in an executable suffix", 1
223      if $Is_Dosish;
224
225    ok(-x $tmpfile,     '   -x');
226}
227
228ok(  -f $tmpfile,   '   -f');
229ok(! -d $tmpfile,   '   !-d');
230
231# Is this portable?
232ok(  -d '.',          '-d cwd' );
233ok(! -f '.',          '!-f cwd' );
234
235
236SKIP: {
237    unlink($tmpfile_link);
238    my $symlink_rslt = eval { symlink $tmpfile, $tmpfile_link };
239    my $error = 0 + $!;
240    skip "symlink not implemented", 3 if $@ =~ /unimplemented/;
241    skip "symlink not available or we can't check", 3
242        if $^O eq "MSWin32" && (!$Errno_loaded || $error == &Errno::ENOSYS || $error == &Errno::EPERM);
243
244    is( $@, '',     'symlink() implemented' );
245    ok( $symlink_rslt,      'symlink() ok' );
246    ok(-l $tmpfile_link,    '-l');
247}
248
249ok(-o $tmpfile,     '-o');
250
251ok(-e $tmpfile,     '-e');
252
253unlink($tmpfile_link);
254ok(! -e $tmpfile_link,  '   -e on unlinked file');
255
256SKIP: {
257    skip "No character, socket or block special files", 6
258      if $Is_MSWin32;
259    skip "/dev isn't available to test against", 6
260      unless -d '/dev' && -r '/dev' && -x '/dev';
261    skip "Skipping: unexpected ls output in MP-RAS", 6
262      if $Is_MPRAS;
263
264    # VMS problem:  If GNV or other UNIX like tool is installed, then
265    # sometimes Perl will find /bin/ls, and will try to run it.
266    # But since Perl on VMS does not know to run it under Bash, it will
267    # try to run the DCL verb LS.  And if the VMS product Language
268    # Sensitive Editor is installed, or some other LS verb, that will
269    # be run instead.  So do not do this until we can teach Perl
270    # when to use BASH on VMS.
271    skip "ls command not available to Perl in OpenVMS right now.", 6
272      if $Is_VMS;
273
274    delete $ENV{CLICOLOR_FORCE};
275    my $LS  = $Config{d_readlink} && !$Is_Android ? "ls -lL" : "ls -l";
276    my $CMD = "$LS /dev 2>/dev/null";
277    my $DEV = qx($CMD);
278
279    skip "$CMD failed", 6 if $DEV eq '';
280
281    my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () };
282
283    skip "opendir failed: $!", 6 if @DEV == 0;
284
285    # /dev/stdout might be either character special or a named pipe,
286    # or a symlink, or a socket, depending on which OS and how are
287    # you running the test, so let's censor that one away.
288    # Similar remarks hold for stderr.
289    $DEV =~ s{^[cpls].+?\sstdout$}{}m;
290    @DEV =  grep { $_ ne 'stdout' } @DEV;
291    $DEV =~ s{^[cpls].+?\sstderr$}{}m;
292    @DEV =  grep { $_ ne 'stderr' } @DEV;
293
294    # /dev/printer is also naughty: in IRIX it shows up as
295    # Srwx-----, not srwx------.
296    $DEV =~ s{^.+?\sprinter$}{}m;
297    @DEV =  grep { $_ ne 'printer' } @DEV;
298
299    # If running as root, we will see .files in the ls result,
300    # and readdir() will see them always.  Potential for conflict,
301    # so let's weed them out.
302    $DEV =~ s{^.+?\s\..+?$}{}m;
303    @DEV =  grep { ! m{^\..+$} } @DEV;
304
305    # sometimes files cannot be stat'd on cygwin, making inspecting pointless
306    # remove them from both @DEV and $DEV
307    @DEV = grep $DEV =~ s/^.\?{9}.*\s$_(?: -> .*)?$//m ? () : $_, @DEV
308      if $Is_Cygwin;
309
310    # Irix ls -l marks sockets with 'S' while 's' is a 'XENIX semaphore'.
311    if ($^O eq 'irix') {
312        $DEV =~ s{^S(.+?)}{s$1}mg;
313    }
314
315    my $try = sub {
316	my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg];
317	my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV];
318	my $c1 = scalar @c1;
319	my $c2 = scalar @c2;
320	diag "= before", $DEV, "-", @DEV, "= after", @c1, "-", @c2, "="
321	  unless is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)");
322    };
323
324{
325    $try->('b', '-b');
326    $try->('c', '-c');
327    $try->('s', '-S');
328}
329
330ok(! -b $Curdir,    '!-b cwd');
331ok(! -c $Curdir,    '!-c cwd');
332ok(! -S $Curdir,    '!-S cwd');
333
334}
335
336SKIP: {
337    my($cnt, $uid);
338    $cnt = $uid = 0;
339
340    # Find a set of directories that's very likely to have setuid files
341    # but not likely to be *all* setuid files.
342    my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin);
343    skip "Can't find a setuid file to test with", 3 unless @bin;
344
345    for my $bin (@bin) {
346        opendir BIN, $bin or die "Can't opendir $bin: $!";
347        while (defined($_ = readdir BIN)) {
348            $_ = "$bin/$_";
349            $cnt++;
350            $uid++ if -u;
351            last if $uid && $uid < $cnt;
352        }
353    }
354    closedir BIN;
355
356    skip "No setuid programs", 3 if $uid == 0;
357
358    isnt($cnt, 0,    'found some programs');
359    isnt($uid, 0,    '  found some setuid programs');
360    ok($uid < $cnt,  "    they're not all setuid");
361}
362
363
364# To assist in automated testing when a controlling terminal (/dev/tty)
365# may not be available (at, cron  rsh etc), the PERL_SKIP_TTY_TEST env var
366# can be set to skip the tests that need a tty.
367SKIP: {
368    skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST};
369    skip "Skipping TTY tests on linux containers", 4 if $Is_linux_container;
370
371    my $TTY = "/dev/tty";
372
373    SKIP: {
374        skip "Test uses unixisms", 2 if $Is_MSWin32;
375        skip "No TTY to test -t with", 2 unless -e $TTY;
376
377        open(TTY, $TTY) ||
378          warn "Can't open $TTY--run t/TEST outside of make.\n";
379        ok(-t TTY,  '-t');
380        ok(-c TTY,  'tty is -c');
381        close(TTY);
382    }
383    ok(! -t TTY,    '!-t on closed TTY filehandle');
384
385    {
386        local our $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS;
387        ok(-t,          '-t on STDIN');
388    }
389}
390
391SKIP: {
392    skip "No null device to test with", 1 unless -e $Null;
393    skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32;
394
395    open(NULL, $Null) or DIE("Can't open $Null: $!");
396    ok(! -t NULL,   'null device is not a TTY');
397    close(NULL);
398}
399
400
401# These aren't strictly "stat" calls, but so what?
402my $statfile = './op/stat.t';
403ok(  -T $statfile,    '-T');
404ok(! -B $statfile,    '!-B');
405ok(-B $Perl,      '-B');
406ok(! -T $Perl,    '!-T');
407
408open(FOO,$statfile);
409SKIP: {
410    eval { -T FOO; };
411    skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/;
412
413    is( $@, '',     '-T on filehandle causes no errors' );
414
415    ok(-T FOO,      '   -T');
416    ok(! -B FOO,    '   !-B');
417
418    $_ = <FOO>;
419    like($_, qr/perl/, 'after readline');
420    ok(-T FOO,      '   still -T');
421    ok(! -B FOO,    '   still -B');
422    close(FOO);
423
424    open(FOO,$statfile);
425    $_ = <FOO>;
426    like($_, qr/perl/,      'reopened and after readline');
427    ok(-T FOO,      '   still -T');
428    ok(! -B FOO,    '   still !-B');
429
430    ok(seek(FOO,0,0),   'after seek');
431    ok(-T FOO,          '   still -T');
432    ok(! -B FOO,        '   still !-B');
433
434    # It's documented this way in perlfunc *shrug*
435    () = <FOO>;
436    ok(eof FOO,         'at EOF');
437    ok(-T FOO,          '   still -T');
438    ok(-B FOO,          '   now -B');
439}
440close(FOO);
441
442
443SKIP: {
444    skip "No null device to test with", 2 unless -e $Null;
445
446    ok(-T $Null,  'null device is -T');
447    ok(-B $Null,  '    and -B');
448}
449
450
451# and now, a few parsing tests:
452$_ = $tmpfile;
453ok(-f,      'bare -f   uses $_');
454ok(-f(),    '     -f() "');
455
456unlink $tmpfile or print "# unlink failed: $!\n";
457
458# bug id 20011101.069 (#7861)
459my @r = \stat($Curdir);
460is(scalar @r, 13,   'stat returns full 13 elements');
461
462stat $0;
463eval { lstat _ };
464like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
465    'lstat _ croaks after stat' );
466eval { lstat *_ };
467like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
468    'lstat *_ croaks after stat' );
469eval { lstat \*_ };
470like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
471    'lstat \*_ croaks after stat' );
472eval { -l _ };
473like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
474    '-l _ croaks after stat' );
475
476lstat $0;
477eval { lstat _ };
478is( "$@", "", "lstat _ ok after lstat" );
479eval { -l _ };
480is( "$@", "", "-l _ ok after lstat" );
481
482eval { lstat "test.pl" };
483{
484    open my $fh, "test.pl";
485    stat *$fh{IO};
486    eval { lstat _ }
487}
488like $@, qr/^The stat preceding lstat\(\) wasn't an lstat at /,
489'stat $ioref resets stat type';
490
491{
492    open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!");
493    my @statbuf = stat FOO;
494    stat "test.pl";
495    no warnings 'io';
496    my @lstatbuf = lstat *FOO{IO};
497    is "@lstatbuf", "@statbuf", 'lstat $ioref reverts to regular fstat';
498    close(FOO);
499    unlink $tmpfile or print "# unlink failed: $!\n";
500}
501
502SKIP: {
503    skip "No lstat", 2 unless $Config{d_lstat} && $Config{d_symlink};
504
505    # bug id 20020124.004 (#8334)
506    my $linkname = 'stat-' . rand =~ y/.//dr;
507    my $target = $Perl;
508    $target =~ s/;\d+\z// if $Is_VMS; # symlinks don't like version numbers
509    unless (symlink $target, $linkname) {
510        if ($^O eq "MSWin32") {
511            # likely we don't have permission
512            skip "symlink failed: $!", 2;
513        }
514        die "# Can't symlink $0: $!";
515    }
516    lstat $linkname;
517    -T _;
518    eval { lstat _ };
519    like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/,
520	'lstat croaks after -T _' );
521    eval { -l _ };
522    like( $@, qr/^The stat preceding -l _ wasn't an lstat/,
523	'-l _ croaks after -T _' );
524    unlink $linkname or print "# unlink $linkname failed: $!\n";
525}
526
527SKIP: {
528    skip "Too much clock skew between system and filesystem", 5
529	if ($Filesystem_Time_Offset > 5);
530    print "# Zzz...\n";
531    sleep($Filesystem_Time_Offset+1);
532    my $f = 'tstamp.tmp';
533    unlink $f;
534    ok (open(S, "> $f"), 'can create tmp file');
535    close S or die;
536    my @a = stat $f;
537    print "# time=$^T, stat=(@a)\n";
538    my @b = (-M _, -A _, -C _);
539    print "# -MAC=(@b)\n";
540    ok( (-M _) < 0, 'negative -M works');
541  SKIP:
542    {
543        skip "Access timestamps inaccurate", 1 if $inaccurate_atime;
544        ok( (-A _) < 0, 'negative -A works');
545    }
546    ok( (-C _) < 0, 'negative -C works');
547    ok(unlink($f), 'unlink tmp file');
548}
549
550# [perl #4253]
551{
552    ok(open(F, ">", $tmpfile), 'can create temp file');
553    close F;
554    chmod 0077, $tmpfile;
555    my @a = stat($tmpfile);
556    my $s1 = -s _;
557    -T _;
558    my $s2 = -s _;
559    is($s1, $s2, q(-T _ doesn't break the statbuffer));
560    SKIP: {
561	my $root_uid = $Is_Cygwin ? 18 : 0;
562	skip "No lstat", 1 unless $Config{d_lstat};
563	skip "uid=0", 1 if $< == $root_uid or $> == $root_uid;
564	skip "Can't check if admin user in miniperl", 1
565	  if $^O =~ /^(cygwin|MSWin32|msys)$/ && is_miniperl();
566	skip "Readable by group/other means readable by me on $^O", 1 if $^O eq 'VMS'
567          or ($^O =~ /^(cygwin|MSWin32|msys)$/ and Win32::IsAdminUser());
568	lstat($tmpfile);
569	-T _;
570	ok(eval { lstat _ },
571	   q(-T _ doesn't break lstat for unreadable file));
572    }
573    unlink $tmpfile;
574}
575
576SKIP: {
577    skip "No dirfd()", 4 unless $Config{d_dirfd} || $Config{d_dir_dd_fd};
578    ok(opendir(DIR, "."), 'Can open "." dir') || diag "Can't open '.':  $!";
579    ok(stat(DIR), "stat() on dirhandle works");
580    ok(-d -r _ , "chained -x's on dirhandle");
581    ok(-d DIR, "-d on a dirhandle works");
582    closedir DIR or die $!;
583}
584
585{
586    # RT #8244: *FILE{IO} does not behave like *FILE for stat() and -X() operators
587    ok(open(F, ">", $tmpfile), 'can create temp file');
588    my @thwap = stat *F{IO};
589    ok(@thwap, "stat(*F{IO}) works");
590    ok( -f *F{IO} , "single file tests work with *F{IO}");
591    close F;
592    unlink $tmpfile;
593
594    #PVIO's hold dirhandle information, so let's test them too.
595
596    SKIP: {
597        skip "No dirfd()", 4 unless $Config{d_dirfd} || $Config{d_dir_dd_fd};
598        ok(opendir(DIR, "."), 'Can open "." dir') || diag "Can't open '.':  $!";
599        ok(stat(*DIR{IO}), "stat() on *DIR{IO} works");
600	ok(-d _ , "The special file handle _ is set correctly");
601        ok(-d -r *DIR{IO} , "chained -x's on *DIR{IO}");
602	closedir DIR or die $!;
603    }
604}
605
606# [perl #71002]
607{
608    my $w;
609    local $SIG{__WARN__} = sub { warn shift; ++$w };
610    stat 'prepeinamehyparcheiarcheiometoonomaavto';
611    stat _;
612    is $w, undef, 'no unopened warning from stat _';
613}
614
615{
616    # [perl #123816]
617    # Inappropriate stacking of l?stat with filetests should either work or
618    # give a syntax error, they shouldn't crash.
619    eval { stat -t };
620    ok(1, 'can "stat -t" without crashing');
621	eval { lstat -t };
622    ok(1, 'can "lstat -t" without crashing');
623}
624
625# [perl #126064] stat stat stack busting
626is join("-", 1,2,3,(stat stat stat),4,5,6), "1-2-3-4-5-6",
627  'stat inside stat gets scalar context';
628
629# [perl #126162] stat an array should not work
630# skip if -e '2'.
631SKIP:
632{
633    skip "There is a file named '2', which invalidates this test", 2 if -e '2';
634
635    my @statarg = ($statfile, $statfile);
636    no warnings 'syntax';
637    ok !stat(@statarg),
638    'stat on an array of valid paths should warn and should not return any data';
639    my $error = 0+$!;
640    skip "Errno not available", 1
641      unless $Errno_loaded;
642    is $error, &Errno::ENOENT,
643      'stat on an array of valid paths should return ENOENT';
644}
645
646# [perl #131895] stat() doesn't fail on filenames containing \0 / NUL
647{
648    no warnings 'syscalls';
649    ok !stat("TEST\0-"), 'stat on filename with \0';
650}
651SKIP: {
652    my $link = "stat_t_$$\_TEST.symlink";
653    my $can_symlink = eval { symlink "TEST", $link };
654    skip "cannot symlink", 1 unless $can_symlink;
655    no warnings 'syscalls';
656    ok !lstat("$link\0-"), 'lstat on filename with \0';
657    unlink $link;
658}
659
660 SKIP:
661{
662    # test needs a FreeBSD /usr/bin/stat
663    # /tmp is typically tmpfs on a new FreeBSD
664    $^O eq "freebsd"
665        or skip "only checking freebsd for now", 1;
666    -x "/usr/bin/stat"
667        or skip "no /usr/bin/stat", 1;
668    my @s = stat "/tmp";
669    @s or skip "No /tmp found", 1;
670    my $test = `/usr/bin/stat -f '%d %i' /tmp`;
671    $test && $test =~ /^-?\d+ -?\d+/
672        or skip "stat didn't return an expected result";
673    chomp $test;
674    is("$s[0] $s[1]", $test,
675       "perl stat didn't match system stat utility");
676}
677
678END {
679    chmod 0666, $tmpfile;
680    unlink_all $tmpfile;
681}
682
683sub _ingroup {
684    my ($gid, $eff)   = @_;
685
686    $^O eq "VMS"    and return $_[0] == $);
687
688    my ($egid, @supp) = split " ", $);
689    my ($rgid)        = split " ", $(;
690
691    $gid == ($eff ? $egid : $rgid)  and return 1;
692    grep $gid == $_, @supp          and return 1;
693
694    return "";
695}
696