From eda0c1ba43cd3ae0ed85aba2c31573f156cec9c4 Mon Sep 17 00:00:00 2001
From: Julian Andres Klode <jak@debian.org>
Date: Wed, 10 Feb 2016 12:45:47 +0100
Subject: Set seekpos to 0 after reopening files in Seek()

If we just reopened the file, we also need to reset the current
seek position when we reset the buffer, otherwise the code will
not try to seek to the position given to Skip (from 0), but will
try to seek to old offset + the position given to skip.

Closes: #812994, #813000
---
 apt-pkg/contrib/fileutl.cc | 1 +
 1 file changed, 1 insertion(+)

(limited to 'apt-pkg/contrib/fileutl.cc')

diff --git a/apt-pkg/contrib/fileutl.cc b/apt-pkg/contrib/fileutl.cc
index 297172eea..eae4d233e 100644
--- a/apt-pkg/contrib/fileutl.cc
+++ b/apt-pkg/contrib/fileutl.cc
@@ -1119,6 +1119,7 @@ public:
 	 return filefd->FileFdError("Seek on file %s because it couldn't be reopened", filefd->FileName.c_str());
 
       buffer.reset();
+      set_seekpos(0);
       if (To != 0)
 	 return filefd->Skip(To);
 
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