From 79e318657e7faa7b2951ff554dc6f1b92624a477 Mon Sep 17 00:00:00 2001
From: Stelian Pop <stelian@popies.net>
Date: Sat, 19 Aug 2000 23:48:10 +0000
Subject: [PATCH] Only level 0 and no -u when dumping a subdirectory

---
 CHANGES        |  7 ++++++-
 dump/dump.8.in | 27 ++++++++++++---------------
 dump/main.c    | 14 +++++++++++++-
 3 files changed, 31 insertions(+), 17 deletions(-)

diff --git a/CHANGES b/CHANGES
index 7fd7c00..c04282a 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,4 +1,4 @@
-$Id: CHANGES,v 1.72 2000/08/19 23:15:38 stelian Exp $
+$Id: CHANGES,v 1.73 2000/08/19 23:48:10 stelian Exp $
 
 Changes between versions 0.4b17 and 0.4b19 (released ?????????????)
 ===================================================================
@@ -19,6 +19,11 @@ Changes between versions 0.4b17 and 0.4b19 (released ?????????????)
 	Thanks to Bernhard Erdmann <bernhard.erdmann@gmx.de>
 	for reporting the bug.
 
+5.	Reinforce dump in order to allow only level 0 and no
+	-u option when dumping a subdirectory, and document 
+	this in the man page. Thanks to Bernhard Erdmann 
+	<bernhard.erdmann@gmx.de> for reporting the bug.
+
 Changes between versions 0.4b17 and 0.4b18 (released June 30, 2000)
 ===================================================================
 
diff --git a/dump/dump.8.in b/dump/dump.8.in
index 18056b6..54f8251 100644
--- a/dump/dump.8.in
+++ b/dump/dump.8.in
@@ -30,7 +30,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.\"	$Id: dump.8.in,v 1.15 2000/08/19 22:08:53 stelian Exp $
+.\"	$Id: dump.8.in,v 1.16 2000/08/19 23:48:10 stelian Exp $
 .\"
 .Dd __DATE__
 .Dt DUMP 8
@@ -51,20 +51,7 @@
 .Op Fl L Ar label
 .Op Fl s Ar feet
 .Op Fl T Ar date
-.Ar filesystem
-.Nm dump
-.Op Fl 0123456789ackMnSu
-.Op Fl B Ar records
-.Op Fl b Ar blocksize
-.Op Fl d Ar density
-.Op Fl e Ar inode number
-.Op Fl f Ar file
-.Op Fl F Ar script
-.Op Fl h Ar level
-.Op Fl L Ar label
-.Op Fl s Ar feet
-.Op Fl T Ar date
-.Ar directory
+.Ar file-to-dump
 .Nm dump
 .Op Fl W Li \&| Fl w
 .Pp
@@ -99,6 +86,16 @@ block count options below.
 By default, the same output file name is used for each volume
 after prompting the operator to change media.
 .Pp
+.Ar file-to-dump
+is either a mountpoint of a filesystem
+or a directory to be backed up as a subset of a filesystem.
+In the former case, either the path to a mounted filesystem
+or the device of an unmounted filesystem can be used.
+In the latter case, certain restrictions are placed on the backup:
+.Fl u
+is not allowed and the only dump level that is supported is
+.Fl 0 .
+.Pp
 The following options are supported by
 .Nm Ns :
 .Bl -tag -width Ds
diff --git a/dump/main.c b/dump/main.c
index 0890d40..c2e4eaf 100644
--- a/dump/main.c
+++ b/dump/main.c
@@ -40,7 +40,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-	"$Id: main.c,v 1.22 2000/03/08 10:51:29 stelian Exp $";
+	"$Id: main.c,v 1.23 2000/08/19 23:48:10 stelian Exp $";
 #endif /* not lint */
 
 #include <sys/param.h>
@@ -410,6 +410,18 @@ main(int argc, char *argv[])
 		    NAMELEN);
 	}
 #endif
+
+	if (directory[0] != 0) {
+		if (level != '0') {
+			(void)fprintf(stderr, "Only level 0 dumps are allowed on a subdirectory\n");
+			exit(X_STARTUP);
+		}
+		if (uflag) {
+			(void)fprintf(stderr, "You can't update the dumpdates file when dumping a subdirectory\n");
+			exit(X_STARTUP);
+		}
+	}
+
 	spcl.c_dev[NAMELEN-1]='\0';
 	spcl.c_filesys[NAMELEN-1]='\0';
 	(void)strncpy(spcl.c_label, labelstr, sizeof(spcl.c_label) - 1);
-- 
2.39.2