Re: [Bug-tar] tar: Segfault with --listed-incremental when archive includes root directory (fwd)

[Sergey Poznyakoff]

Matthew Gabeler-Lee <address@hidden> ha escrit:

> I originally submitted this bug to debian as #575298 on March 24th,
> however there has been no followup from debian, so I'm forwarding this
> issue up.

Thanks for reporting. Please apply the attached patch.

Regards,
Sergey

>From e21d54e8cd3d8026ad56f90cc6bde831106c2cb9 Mon Sep 17 00:00:00 2001
From: Sergey Poznyakoff <address@hidden>
Date: Mon, 17 May 2010 20:22:16 +0300
Subject: [PATCH] Bugfix.

* src/incremen.c (make_directory): Retain the slash if it is the
only character in a filename.
---
 src/incremen.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/incremen.c b/src/incremen.c
index dc880cd..0d0b4ff 100644
--- a/src/incremen.c
+++ b/src/incremen.c
@@ -258,7 +258,7 @@ make_directory (const char *name, char *caname)
   directory->dump = directory->idump = NULL;
   directory->orig = NULL;
   directory->flags = false;
-  if (namelen && ISSLASH (name[namelen - 1]))
+  if (namelen > 1 && ISSLASH (name[namelen - 1]))
     namelen--;
   directory->name = xmalloc (namelen + 1);
   memcpy (directory->name, name, namelen);
-- 
1.6.0.3