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 30plan tests => 110; 31 32my $Perl = which_perl(); 33 34$ENV{LC_ALL} = 'C'; # Forge English error messages. 35$ENV{LANGUAGE} = 'C'; # Ditto in GNU. 36 37my $Is_Amiga = $^O eq 'amigaos'; 38my $Is_Cygwin = $^O eq 'cygwin'; 39my $Is_Darwin = $^O eq 'darwin'; 40my $Is_Dos = $^O eq 'dos'; 41my $Is_MSWin32 = $^O eq 'MSWin32'; 42my $Is_NetWare = $^O eq 'NetWare'; 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_Dos || $Is_OS2 || $Is_MSWin32 || $Is_NetWare; 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_NetWare or $Is_Cygwin or $Is_Dos 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 # expect netware to be the same ... 148 skip "No ctime concept on this OS", 2 149 if $Is_MSWin32 || $ufs_no_ctime; 150 151 if( !ok($mtime, 'hard link mtime') || 152 !isnt($mtime, $ctime, 'hard link ctime != mtime') ) { 153 print STDERR <<DIAG; 154# Check if you are on a tmpfs of some sort. Building in /tmp sometimes 155# has this problem. Building on the ClearCase VOBS filesystem may also 156# cause this failure. 157# 158# Some UFS implementations don't have a ctime concept, and thus are 159# expected to fail this test. 160DIAG 161 } 162 } 163 164} 165 166# truncate and touch $tmpfile. 167open(F, ">$tmpfile") || DIE("Can't open temp test file: $!"); 168ok(-z \*F, '-z on empty filehandle'); 169ok(! -s \*F, ' and -s'); 170close F; 171 172ok(-z $tmpfile, '-z on empty file'); 173ok(! -s $tmpfile, ' and -s'); 174 175open(F, ">$tmpfile") || DIE("Can't open temp test file: $!"); 176print F "hi\n"; 177close F; 178 179open(F, "<$tmpfile") || DIE("Can't open temp test file: $!"); 180ok(!-z *F, '-z on empty filehandle'); 181ok( -s *F, ' and -s'); 182close F; 183 184ok(! -z $tmpfile, '-z on non-empty file'); 185ok(-s $tmpfile, ' and -s'); 186 187 188# Strip all access rights from the file. 189ok( chmod(0000, $tmpfile), 'chmod 0000' ); 190 191SKIP: { 192 skip "-r, -w and -x have different meanings on VMS", 3 if $Is_VMS; 193 194 SKIP: { 195 # Going to try to switch away from root. Might not work. 196 my $olduid = $>; 197 eval { $> = 1; }; 198 skip "Can't test -r or -w meaningfully if you're superuser", 2 199 if ($Is_Cygwin ? _ingroup(544, 1) : $> == 0); 200 201 SKIP: { 202 skip "Can't test -r meaningfully?", 1 if $Is_Dos; 203 ok(!-r $tmpfile, " -r"); 204 } 205 206 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 skip "symlink not implemented", 3 if $@ =~ /unimplemented/; 240 241 is( $@, '', 'symlink() implemented' ); 242 ok( $symlink_rslt, 'symlink() ok' ); 243 ok(-l $tmpfile_link, '-l'); 244} 245 246ok(-o $tmpfile, '-o'); 247 248ok(-e $tmpfile, '-e'); 249 250unlink($tmpfile_link); 251ok(! -e $tmpfile_link, ' -e on unlinked file'); 252 253SKIP: { 254 skip "No character, socket or block special files", 6 255 if $Is_MSWin32 || $Is_NetWare || $Is_Dos; 256 skip "/dev isn't available to test against", 6 257 unless -d '/dev' && -r '/dev' && -x '/dev'; 258 skip "Skipping: unexpected ls output in MP-RAS", 6 259 if $Is_MPRAS; 260 261 # VMS problem: If GNV or other UNIX like tool is installed, then 262 # sometimes Perl will find /bin/ls, and will try to run it. 263 # But since Perl on VMS does not know to run it under Bash, it will 264 # try to run the DCL verb LS. And if the VMS product Language 265 # Sensitive Editor is installed, or some other LS verb, that will 266 # be run instead. So do not do this until we can teach Perl 267 # when to use BASH on VMS. 268 skip "ls command not available to Perl in OpenVMS right now.", 6 269 if $Is_VMS; 270 271 delete $ENV{CLICOLOR_FORCE}; 272 my $LS = $Config{d_readlink} && !$Is_Android ? "ls -lL" : "ls -l"; 273 my $CMD = "$LS /dev 2>/dev/null"; 274 my $DEV = qx($CMD); 275 276 skip "$CMD failed", 6 if $DEV eq ''; 277 278 my @DEV = do { my $dev; opendir($dev, "/dev") ? readdir($dev) : () }; 279 280 skip "opendir failed: $!", 6 if @DEV == 0; 281 282 # /dev/stdout might be either character special or a named pipe, 283 # or a symlink, or a socket, depending on which OS and how are 284 # you running the test, so let's censor that one away. 285 # Similar remarks hold for stderr. 286 $DEV =~ s{^[cpls].+?\sstdout$}{}m; 287 @DEV = grep { $_ ne 'stdout' } @DEV; 288 $DEV =~ s{^[cpls].+?\sstderr$}{}m; 289 @DEV = grep { $_ ne 'stderr' } @DEV; 290 291 # /dev/printer is also naughty: in IRIX it shows up as 292 # Srwx-----, not srwx------. 293 $DEV =~ s{^.+?\sprinter$}{}m; 294 @DEV = grep { $_ ne 'printer' } @DEV; 295 296 # If running as root, we will see .files in the ls result, 297 # and readdir() will see them always. Potential for conflict, 298 # so let's weed them out. 299 $DEV =~ s{^.+?\s\..+?$}{}m; 300 @DEV = grep { ! m{^\..+$} } @DEV; 301 302 # Irix ls -l marks sockets with 'S' while 's' is a 'XENIX semaphore'. 303 if ($^O eq 'irix') { 304 $DEV =~ s{^S(.+?)}{s$1}mg; 305 } 306 307 my $try = sub { 308 my @c1 = eval qq[\$DEV =~ /^$_[0].*/mg]; 309 my @c2 = eval qq[grep { $_[1] "/dev/\$_" } \@DEV]; 310 my $c1 = scalar @c1; 311 my $c2 = scalar @c2; 312 is($c1, $c2, "ls and $_[1] agreeing on /dev ($c1 $c2)"); 313 }; 314 315{ 316 $try->('b', '-b'); 317 $try->('c', '-c'); 318 $try->('s', '-S'); 319} 320 321ok(! -b $Curdir, '!-b cwd'); 322ok(! -c $Curdir, '!-c cwd'); 323ok(! -S $Curdir, '!-S cwd'); 324 325} 326 327SKIP: { 328 my($cnt, $uid); 329 $cnt = $uid = 0; 330 331 # Find a set of directories that's very likely to have setuid files 332 # but not likely to be *all* setuid files. 333 my @bin = grep {-d && -r && -x} qw(/sbin /usr/sbin /bin /usr/bin); 334 skip "Can't find a setuid file to test with", 3 unless @bin; 335 336 for my $bin (@bin) { 337 opendir BIN, $bin or die "Can't opendir $bin: $!"; 338 while (defined($_ = readdir BIN)) { 339 $_ = "$bin/$_"; 340 $cnt++; 341 $uid++ if -u; 342 last if $uid && $uid < $cnt; 343 } 344 } 345 closedir BIN; 346 347 skip "No setuid programs", 3 if $uid == 0; 348 349 isnt($cnt, 0, 'found some programs'); 350 isnt($uid, 0, ' found some setuid programs'); 351 ok($uid < $cnt, " they're not all setuid"); 352} 353 354 355# To assist in automated testing when a controlling terminal (/dev/tty) 356# may not be available (at, cron rsh etc), the PERL_SKIP_TTY_TEST env var 357# can be set to skip the tests that need a tty. 358SKIP: { 359 skip "These tests require a TTY", 4 if $ENV{PERL_SKIP_TTY_TEST}; 360 skip "Skipping TTY tests on linux containers", 4 if $Is_linux_container; 361 362 my $TTY = "/dev/tty"; 363 364 SKIP: { 365 skip "Test uses unixisms", 2 if $Is_MSWin32 || $Is_NetWare; 366 skip "No TTY to test -t with", 2 unless -e $TTY; 367 368 open(TTY, $TTY) || 369 warn "Can't open $TTY--run t/TEST outside of make.\n"; 370 ok(-t TTY, '-t'); 371 ok(-c TTY, 'tty is -c'); 372 close(TTY); 373 } 374 ok(! -t TTY, '!-t on closed TTY filehandle'); 375 376 { 377 local our $TODO = 'STDIN not a tty when output is to pipe' if $Is_VMS; 378 ok(-t, '-t on STDIN'); 379 } 380} 381 382SKIP: { 383 skip "No null device to test with", 1 unless -e $Null; 384 skip "We know Win32 thinks '$Null' is a TTY", 1 if $Is_MSWin32; 385 386 open(NULL, $Null) or DIE("Can't open $Null: $!"); 387 ok(! -t NULL, 'null device is not a TTY'); 388 close(NULL); 389} 390 391 392# These aren't strictly "stat" calls, but so what? 393my $statfile = './op/stat.t'; 394ok( -T $statfile, '-T'); 395ok(! -B $statfile, '!-B'); 396ok(-B $Perl, '-B'); 397ok(! -T $Perl, '!-T'); 398 399open(FOO,$statfile); 400SKIP: { 401 eval { -T FOO; }; 402 skip "-T/B on filehandle not implemented", 15 if $@ =~ /not implemented/; 403 404 is( $@, '', '-T on filehandle causes no errors' ); 405 406 ok(-T FOO, ' -T'); 407 ok(! -B FOO, ' !-B'); 408 409 $_ = <FOO>; 410 like($_, qr/perl/, 'after readline'); 411 ok(-T FOO, ' still -T'); 412 ok(! -B FOO, ' still -B'); 413 close(FOO); 414 415 open(FOO,$statfile); 416 $_ = <FOO>; 417 like($_, qr/perl/, 'reopened and after readline'); 418 ok(-T FOO, ' still -T'); 419 ok(! -B FOO, ' still !-B'); 420 421 ok(seek(FOO,0,0), 'after seek'); 422 ok(-T FOO, ' still -T'); 423 ok(! -B FOO, ' still !-B'); 424 425 # It's documented this way in perlfunc *shrug* 426 () = <FOO>; 427 ok(eof FOO, 'at EOF'); 428 ok(-T FOO, ' still -T'); 429 ok(-B FOO, ' now -B'); 430} 431close(FOO); 432 433 434SKIP: { 435 skip "No null device to test with", 2 unless -e $Null; 436 437 ok(-T $Null, 'null device is -T'); 438 ok(-B $Null, ' and -B'); 439} 440 441 442# and now, a few parsing tests: 443$_ = $tmpfile; 444ok(-f, 'bare -f uses $_'); 445ok(-f(), ' -f() "'); 446 447unlink $tmpfile or print "# unlink failed: $!\n"; 448 449# bug id 20011101.069 (#7861) 450my @r = \stat($Curdir); 451is(scalar @r, 13, 'stat returns full 13 elements'); 452 453stat $0; 454eval { lstat _ }; 455like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/, 456 'lstat _ croaks after stat' ); 457eval { lstat *_ }; 458like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/, 459 'lstat *_ croaks after stat' ); 460eval { lstat \*_ }; 461like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/, 462 'lstat \*_ croaks after stat' ); 463eval { -l _ }; 464like( $@, qr/^The stat preceding -l _ wasn't an lstat/, 465 '-l _ croaks after stat' ); 466 467lstat $0; 468eval { lstat _ }; 469is( "$@", "", "lstat _ ok after lstat" ); 470eval { -l _ }; 471is( "$@", "", "-l _ ok after lstat" ); 472 473eval { lstat "test.pl" }; 474{ 475 open my $fh, "test.pl"; 476 stat *$fh{IO}; 477 eval { lstat _ } 478} 479like $@, qr/^The stat preceding lstat\(\) wasn't an lstat at /, 480'stat $ioref resets stat type'; 481 482{ 483 open(FOO, ">$tmpfile") || DIE("Can't open temp test file: $!"); 484 my @statbuf = stat FOO; 485 stat "test.pl"; 486 no warnings 'io'; 487 my @lstatbuf = lstat *FOO{IO}; 488 is "@lstatbuf", "@statbuf", 'lstat $ioref reverts to regular fstat'; 489 close(FOO); 490 unlink $tmpfile or print "# unlink failed: $!\n"; 491} 492 493SKIP: { 494 skip "No lstat", 2 unless $Config{d_lstat}; 495 496 # bug id 20020124.004 (#8334) 497 # If we have d_lstat, we should have symlink() 498 my $linkname = 'stat-' . rand =~ y/.//dr; 499 my $target = $Perl; 500 $target =~ s/;\d+\z// if $Is_VMS; # symlinks don't like version numbers 501 symlink $target, $linkname or die "# Can't symlink $0: $!"; 502 lstat $linkname; 503 -T _; 504 eval { lstat _ }; 505 like( $@, qr/^The stat preceding lstat\(\) wasn't an lstat/, 506 'lstat croaks after -T _' ); 507 eval { -l _ }; 508 like( $@, qr/^The stat preceding -l _ wasn't an lstat/, 509 '-l _ croaks after -T _' ); 510 unlink $linkname or print "# unlink $linkname failed: $!\n"; 511} 512 513SKIP: { 514 skip "Too much clock skew between system and filesystem", 5 515 if ($Filesystem_Time_Offset > 5); 516 print "# Zzz...\n"; 517 sleep($Filesystem_Time_Offset+1); 518 my $f = 'tstamp.tmp'; 519 unlink $f; 520 ok (open(S, "> $f"), 'can create tmp file'); 521 close S or die; 522 my @a = stat $f; 523 print "# time=$^T, stat=(@a)\n"; 524 my @b = (-M _, -A _, -C _); 525 print "# -MAC=(@b)\n"; 526 ok( (-M _) < 0, 'negative -M works'); 527 SKIP: 528 { 529 skip "Access timestamps inaccurate", 1 if $inaccurate_atime; 530 ok( (-A _) < 0, 'negative -A works'); 531 } 532 ok( (-C _) < 0, 'negative -C works'); 533 ok(unlink($f), 'unlink tmp file'); 534} 535 536# [perl #4253] 537{ 538 ok(open(F, ">", $tmpfile), 'can create temp file'); 539 close F; 540 chmod 0077, $tmpfile; 541 my @a = stat($tmpfile); 542 my $s1 = -s _; 543 -T _; 544 my $s2 = -s _; 545 is($s1, $s2, q(-T _ doesn't break the statbuffer)); 546 SKIP: { 547 my $root_uid = $Is_Cygwin ? 18 : 0; 548 skip "No lstat", 1 unless $Config{d_lstat}; 549 skip "uid=0", 1 if $< == $root_uid or $> == $root_uid; 550 skip "Can't check if admin user in miniperl", 1 551 if $^O =~ /^(cygwin|MSWin32|msys)$/ && is_miniperl(); 552 skip "Readable by group/other means readable by me on $^O", 1 if $^O eq 'VMS' 553 or ($^O =~ /^(cygwin|MSWin32|msys)$/ and Win32::IsAdminUser()); 554 lstat($tmpfile); 555 -T _; 556 ok(eval { lstat _ }, 557 q(-T _ doesn't break lstat for unreadable file)); 558 } 559 unlink $tmpfile; 560} 561 562SKIP: { 563 skip "No dirfd()", 4 unless $Config{d_dirfd} || $Config{d_dir_dd_fd}; 564 ok(opendir(DIR, "."), 'Can open "." dir') || diag "Can't open '.': $!"; 565 ok(stat(DIR), "stat() on dirhandle works"); 566 ok(-d -r _ , "chained -x's on dirhandle"); 567 ok(-d DIR, "-d on a dirhandle works"); 568 closedir DIR or die $!; 569} 570 571{ 572 # RT #8244: *FILE{IO} does not behave like *FILE for stat() and -X() operators 573 ok(open(F, ">", $tmpfile), 'can create temp file'); 574 my @thwap = stat *F{IO}; 575 ok(@thwap, "stat(*F{IO}) works"); 576 ok( -f *F{IO} , "single file tests work with *F{IO}"); 577 close F; 578 unlink $tmpfile; 579 580 #PVIO's hold dirhandle information, so let's test them too. 581 582 SKIP: { 583 skip "No dirfd()", 4 unless $Config{d_dirfd} || $Config{d_dir_dd_fd}; 584 ok(opendir(DIR, "."), 'Can open "." dir') || diag "Can't open '.': $!"; 585 ok(stat(*DIR{IO}), "stat() on *DIR{IO} works"); 586 ok(-d _ , "The special file handle _ is set correctly"); 587 ok(-d -r *DIR{IO} , "chained -x's on *DIR{IO}"); 588 closedir DIR or die $!; 589 } 590} 591 592# [perl #71002] 593{ 594 my $w; 595 local $SIG{__WARN__} = sub { warn shift; ++$w }; 596 stat 'prepeinamehyparcheiarcheiometoonomaavto'; 597 stat _; 598 is $w, undef, 'no unopened warning from stat _'; 599} 600 601{ 602 # [perl #123816] 603 # Inappropriate stacking of l?stat with filetests should either work or 604 # give a syntax error, they shouldn't crash. 605 eval { stat -t }; 606 ok(1, 'can "stat -t" without crashing'); 607 eval { lstat -t }; 608 ok(1, 'can "lstat -t" without crashing'); 609} 610 611# [perl #126064] stat stat stack busting 612is join("-", 1,2,3,(stat stat stat),4,5,6), "1-2-3-4-5-6", 613 'stat inside stat gets scalar context'; 614 615# [perl #126162] stat an array should not work 616# skip if -e '2'. 617SKIP: 618{ 619 skip "There is a file named '2', which invalidates this test", 2 if -e '2'; 620 621 my $Errno_loaded = eval { require Errno }; 622 my @statarg = ($statfile, $statfile); 623 no warnings 'syntax'; 624 ok !stat(@statarg), 625 'stat on an array of valid paths should warn and should not return any data'; 626 my $error = 0+$!; 627 skip "Errno not available", 1 628 unless $Errno_loaded; 629 is $error, &Errno::ENOENT, 630 'stat on an array of valid paths should return ENOENT'; 631} 632 633# [perl #131895] stat() doesn't fail on filenames containing \0 / NUL 634{ 635 no warnings 'syscalls'; 636 ok !stat("TEST\0-"), 'stat on filename with \0'; 637} 638SKIP: { 639 my $link = "stat_t_$$\_TEST.symlink"; 640 my $can_symlink = eval { symlink "TEST", $link }; 641 skip "cannot symlink", 1 unless $can_symlink; 642 no warnings 'syscalls'; 643 ok !lstat("$link\0-"), 'lstat on filename with \0'; 644 unlink $link; 645} 646 647END { 648 chmod 0666, $tmpfile; 649 unlink_all $tmpfile; 650} 651 652sub _ingroup { 653 my ($gid, $eff) = @_; 654 655 $^O eq "VMS" and return $_[0] == $); 656 657 my ($egid, @supp) = split " ", $); 658 my ($rgid) = split " ", $(; 659 660 $gid == ($eff ? $egid : $rgid) and return 1; 661 grep $gid == $_, @supp and return 1; 662 663 return ""; 664} 665