From a08b0cc730ac6b7a0a31f6ddb5df4d7931df4bdf Mon Sep 17 00:00:00 2001
From: Joerg Wunsch <joerg@FreeBSD.org>
Date: Sun, 13 Apr 1997 08:39:38 +0000
Subject: [PATCH] Don't create anything on the disk if -O (aka --to-stdout) was
 given.

PR:		gnu/3247: tar -O creates directories...
---
 gnu/usr.bin/tar/extract.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/gnu/usr.bin/tar/extract.c b/gnu/usr.bin/tar/extract.c
index 2730cc2a3665..faf25adbc78d 100644
--- a/gnu/usr.bin/tar/extract.c
+++ b/gnu/usr.bin/tar/extract.c
@@ -158,7 +158,10 @@ extract_archive ()
   userec (head);		/* And go past it in the archive */
   decode_header (head, &hstat, &head_standard, 1);	/* Snarf fields */
 
-  if (f_confirm && !confirm ("extract", current_file_name))
+  if ((f_confirm && !confirm ("extract", current_file_name)) ||
+      (f_exstdout && head->header.linkflag != LF_OLDNORMAL &&
+       head->header.linkflag != LF_NORMAL &&
+       head->header.linkflag != LF_CONTIG))
     {
       if (head->header.isextended)
 	skip_extended_headers ();