MS-DOS patches to perl.
Apply this patch to the standard perl source, version 4, patch level 19,
using "patch -p."  Do this in the root directory of the perl source
distribution.

You can cat all these patches together and pipe the output to patch -p.

Len Reed
Holos Software, Inc.
..!gatech!holos0!lbr
holos0!lbr@gatech.edu
--------------------------------------
*** t/op/stat.t.old	Thu Nov 14 07:29:34 1991
--- t/op/stat.t	Sun Feb  2 21:10:06 1992
***************
*** 4,17 ****
  
  print "1..56\n";
  
  chop($cwd = `pwd`);
  
! $DEV = `ls -l /dev`;
  
! unlink "Op.stat.tmp";
! open(FOO, ">Op.stat.tmp");
  
! $junk = `ls Op.stat.tmp`;	# hack to make Apollo update link count
  
  ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
      $blksize,$blocks) = stat(FOO);
--- 4,35 ----
  
  print "1..56\n";
  
+ eval('umask');	# won't work on MS-DOS
+ $msdos = $@;
+ 
+ if ( $msdos) {
+     $null_dev = 'NUL';
+     $dev_dir = "$ENV{'ROOTDIR'}/bin";
+     $usr_bin = $dev_dir;
+     $tty = 'CON';
+     $E = '.exe';
+ }
+ else {
+     $null_dev = '/dev/null';
+     $dev_dir = '/dev';
+     $usr_bin = '/usr/bin';
+     $tty = '/dev/tty';
+     $E = '';
+ }
+ 
  chop($cwd = `pwd`);
  
! $DEV = `ls -l $dev_dir`;
  
! unlink "Op_stat.tmp";
! open(FOO, ">Op_stat.tmp");
  
! $junk = `ls Op_stat.tmp`;	# hack to make Apollo update link count
  
  ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
      $blksize,$blocks) = stat(FOO);
***************
*** 23,35 ****
  
  sleep 2;
  
! `rm -f Op.stat.tmp2; ln Op.stat.tmp Op.stat.tmp2; chmod 644 Op.stat.tmp`;
  
  ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
!     $blksize,$blocks) = stat('Op.stat.tmp');
  
! if ($nlink == 2) {print "ok 3\n";} else {print "not ok 3\n";}
! if (($mtime && $mtime != $ctime) || $cwd =~ m#/afs/#) {
      print "ok 4\n";
  }
  else {
--- 41,53 ----
  
  sleep 2;
  
! `rm -f Op_stat.tmp2; ln Op_stat.tmp Op_stat.tmp2; chmod 644 Op_stat.tmp`;
  
  ($dev,$ino,$mode,$nlink,$uid,$gid,$rdev,$size,$atime,$mtime,$ctime,
!     $blksize,$blocks) = stat('Op_stat.tmp');
  
! if ($nlink == 2 || $msdos) {print "ok 3\n";} else {print "not ok 3\n";}
! if (($mtime && $mtime != $ctime) || $msdos || $cwd =~ m#/afs/#) {
      print "ok 4\n";
  }
  else {
***************
*** 37,90 ****
  }
  print "#4	:$mtime: != :$ctime:\n";
  
! `rm -f Op.stat.tmp`;
! `touch Op.stat.tmp`;
  
! if (-z 'Op.stat.tmp') {print "ok 5\n";} else {print "not ok 5\n";}
! if (! -s 'Op.stat.tmp') {print "ok 6\n";} else {print "not ok 6\n";}
  
! `echo hi >Op.stat.tmp`;
! if (! -z 'Op.stat.tmp') {print "ok 7\n";} else {print "not ok 7\n";}
! if (-s 'Op.stat.tmp') {print "ok 8\n";} else {print "not ok 8\n";}
  
! unlink 'Op.stat.tmp';
  $olduid = $>;		# can't test -r if uid == 0
! `echo hi >Op.stat.tmp`;
! chmod 0,'Op.stat.tmp';
  eval '$> = 1;';		# so switch uid (may not be implemented)
! if (!$> || ! -r 'Op.stat.tmp') {print "ok 9\n";} else {print "not ok 9\n";}
! if (!$> || ! -w 'Op.stat.tmp') {print "ok 10\n";} else {print "not ok 10\n";}
  eval '$> = $olduid;';		# switch uid back (may not be implemented)
  print "# olduid=$olduid, newuid=$>\n" unless ($> == $olduid);
! if (! -x 'Op.stat.tmp') {print "ok 11\n";} else {print "not ok 11\n";}
  
  foreach ((12,13,14,15,16,17)) {
      print "ok $_\n";		#deleted tests
  }
  
! chmod 0700,'Op.stat.tmp';
! if (-r 'Op.stat.tmp') {print "ok 18\n";} else {print "not ok 18\n";}
! if (-w 'Op.stat.tmp') {print "ok 19\n";} else {print "not ok 19\n";}
! if (-x 'Op.stat.tmp') {print "ok 20\n";} else {print "not ok 20\n";}
  
! if (-f 'Op.stat.tmp') {print "ok 21\n";} else {print "not ok 21\n";}
! if (! -d 'Op.stat.tmp') {print "ok 22\n";} else {print "not ok 22\n";}
  
  if (-d '.') {print "ok 23\n";} else {print "not ok 23\n";}
  if (! -f '.') {print "ok 24\n";} else {print "not ok 24\n";}
  
! if (`ls -l perl` =~ /^l.*->/) {
!     if (-l 'perl') {print "ok 25\n";} else {print "not ok 25\n";}
  }
  else {
      print "ok 25\n";
  }
  
! if (-o 'Op.stat.tmp') {print "ok 26\n";} else {print "not ok 26\n";}
  
! if (-e 'Op.stat.tmp') {print "ok 27\n";} else {print "not ok 27\n";}
! `rm -f Op.stat.tmp Op.stat.tmp2`;
! if (! -e 'Op.stat.tmp') {print "ok 28\n";} else {print "not ok 28\n";}
  
  if ($DEV !~ /\nc.* (\S+)\n/)
      {print "ok 29\n";}
--- 55,108 ----
  }
  print "#4	:$mtime: != :$ctime:\n";
  
! `rm -f Op_stat.tmp`;
! `touch Op_stat.tmp`;
  
! if (-z 'Op_stat.tmp') {print "ok 5\n";} else {print "not ok 5\n";}
! if (! -s 'Op_stat.tmp') {print "ok 6\n";} else {print "not ok 6\n";}
  
! `echo hi >Op_stat.tmp`;
! if (! -z 'Op_stat.tmp') {print "ok 7\n";} else {print "not ok 7\n";}
! if (-s 'Op_stat.tmp') {print "ok 8\n";} else {print "not ok 8\n";}
  
! unlink 'Op_stat.tmp';
  $olduid = $>;		# can't test -r if uid == 0
! `echo hi >Op_stat.tmp`;
! chmod 0,'Op_stat.tmp';
  eval '$> = 1;';		# so switch uid (may not be implemented)
! if (!$> || ! -r 'Op_stat.tmp') {print "ok 9\n";} else {print "not ok 9\n";}
! if (!$> || ! -w 'Op_stat.tmp') {print "ok 10\n";} else {print "not ok 10\n";}
  eval '$> = $olduid;';		# switch uid back (may not be implemented)
  print "# olduid=$olduid, newuid=$>\n" unless ($> == $olduid);
! if (! -x 'Op_stat.tmp') {print "ok 11\n";} else {print "not ok 11\n";}
  
  foreach ((12,13,14,15,16,17)) {
      print "ok $_\n";		#deleted tests
  }
  
! chmod 0700,'Op_stat.tmp';
! if (-r 'Op_stat.tmp') {print "ok 18\n";} else {print "not ok 18\n";}
! if (-w 'Op_stat.tmp') {print "ok 19\n";} else {print "not ok 19\n";}
! if (-x 'Op_stat.tmp') {print "ok 20\n";} else {print "not ok 20\n";}
  
! if (-f 'Op_stat.tmp') {print "ok 21\n";} else {print "not ok 21\n";}
! if (! -d 'Op_stat.tmp') {print "ok 22\n";} else {print "not ok 22\n";}
  
  if (-d '.') {print "ok 23\n";} else {print "not ok 23\n";}
  if (! -f '.') {print "ok 24\n";} else {print "not ok 24\n";}
  
! if (`ls -l perl$E` =~ /^l.*->/) {
!     if (-l 'perl$E') {print "ok 25\n";} else {print "not ok 25\n";}
  }
  else {
      print "ok 25\n";
  }
  
! if (-o 'Op_stat.tmp') {print "ok 26\n";} else {print "not ok 26\n";}
  
! if (-e 'Op_stat.tmp') {print "ok 27\n";} else {print "not ok 27\n";}
! `rm -f Op_stat.tmp Op_stat.tmp2`;
! if (! -e 'Op_stat.tmp') {print "ok 28\n";} else {print "not ok 28\n";}
  
  if ($DEV !~ /\nc.* (\S+)\n/)
      {print "ok 29\n";}
***************
*** 112,138 ****
  
  $cnt = $uid = 0;
  
! die "Can't run op/stat.t test 35 without pwd working" unless $cwd;
! chdir '/usr/bin' || die "Can't cd to /usr/bin";
! while (defined($_ = <*>)) {
!     $cnt++;
!     $uid++ if -u;
!     last if $uid && $uid < $cnt;
  }
! chdir $cwd || die "Can't cd back to $cwd";
  
! # I suppose this is going to fail somewhere...
! if ($uid > 0 && $uid < $cnt) {print "ok 35\n";} else {print "not ok 35\n";}
  
! unless (open(tty,"/dev/tty")) {
!     print STDERR "Can't open /dev/tty--run t/TEST outside of make.\n";
  }
  if (-t tty) {print "ok 36\n";} else {print "not ok 36\n";}
  if (-c tty) {print "ok 37\n";} else {print "not ok 37\n";}
  close(tty);
  if (! -t tty) {print "ok 38\n";} else {print "not ok 38\n";}
! open(null,"/dev/null");
! if (! -t null || -e '/xenix') {print "ok 39\n";} else {print "not ok 39\n";}
  close(null);
  if (-t) {print "ok 40\n";} else {print "not ok 40\n";}
  
--- 130,162 ----
  
  $cnt = $uid = 0;
  
! if ($msdos) {
!     print "ok 35\n";	# no setuid on MS-DOS
  }
! else {
!     die "Can't run op/stat.t test 35 without pwd working" unless $cwd;
!     chdir $usr_bin || die "Can't cd to $usr_bin";
!     while (defined($_ = <*>)) {
! 	$cnt++;
! 	$uid++ if -u;
! 	last if $uid && $uid < $cnt;
!     }
!     chdir $cwd || die "Can't cd back to $cwd";
  
!     # I suppose this is going to fail somewhere...
!     if ($uid > 0 && $uid < $cnt) {print "ok 35\n";} else {print "not ok 35\n";}
! }
  
! unless (open(tty, $tty )) {
!     print STDERR "Can't open $tty--run t/TEST outside of make.\n";
  }
  if (-t tty) {print "ok 36\n";} else {print "not ok 36\n";}
  if (-c tty) {print "ok 37\n";} else {print "not ok 37\n";}
  close(tty);
  if (! -t tty) {print "ok 38\n";} else {print "not ok 38\n";}
! open(null,"$null_dev");
! if (! -t null || -e '/xenix' || $msdos)
!     {print "ok 39\n";} else {print "not ok 39\n";}
  close(null);
  if (-t) {print "ok 40\n";} else {print "not ok 40\n";}
  
***************
*** 141,148 ****
  if (-T 'op/stat.t') {print "ok 41\n";} else {print "not ok 41\n";}
  if (! -B 'op/stat.t') {print "ok 42\n";} else {print "not ok 42\n";}
  
! if (-B './perl') {print "ok 43\n";} else {print "not ok 43\n";}
! if (! -T './perl') {print "ok 44\n";} else {print "not ok 44\n";}
  
  open(FOO,'op/stat.t');
  eval { -T FOO; };
--- 165,172 ----
  if (-T 'op/stat.t') {print "ok 41\n";} else {print "not ok 41\n";}
  if (! -B 'op/stat.t') {print "ok 42\n";} else {print "not ok 42\n";}
  
! if (-B "./perl$E") {print "ok 43\n";} else {print "not ok 43\n";}
! if (! -T "./perl$E") {print "ok 44\n";} else {print "not ok 44\n";}
  
  open(FOO,'op/stat.t');
  eval { -T FOO; };
***************
*** 172,176 ****
  }
  close(FOO);
  
! if (-T '/dev/null') {print "ok 55\n";} else {print "not ok 55\n";}
! if (-B '/dev/null') {print "ok 56\n";} else {print "not ok 56\n";}
--- 196,200 ----
  }
  close(FOO);
  
! if (-T "$null_dev") {print "ok 55\n";} else {print "not ok 55\n";}
! if (-B "$null_dev") {print "ok 56\n";} else {print "not ok 56\n";}