From: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
Date: Sat, 18 Oct 2008 08:08:15 +0000 (+0200)
Subject: Diagnose unsupported uses of `backname' helper function.
X-Git-Tag: v1.10b~86
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b9cf117b19fb91b3931e9bad064be6beca19240a;p=thirdparty%2Fautomake.git

Diagnose unsupported uses of `backname' helper function.

* automake.in (backname): Error out if the path points outside
the directory it started in.

Signed-off-by: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
---

diff --git a/ChangeLog b/ChangeLog
index 946aef794..45c8e3dc8 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2008-10-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
+
+	Diagnose unsupported uses of `backname' helper function.
+	* automake.in (backname): Error out if the path points outside
+	the directory it started in.
+
 2008-10-12  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
 
 	Nicer 'make dist' output.
diff --git a/automake.in b/automake.in
index 4e5348478..335fe130a 100755
--- a/automake.in
+++ b/automake.in
@@ -1053,7 +1053,8 @@ sub backname ($)
 	next if $_ eq '.' || $_ eq '';
 	if ($_ eq '..')
 	{
-	    pop @res;
+	    pop @res
+	      or prog_error ("trying to reverse path `$file' pointing outside tree");
 	}
 	else
 	{