[issue8833] tarfile: broken hardlink handling and testcase.

[Justin Bronder]

New submission from Justin Bronder <jsbronder at gentoo.org>:

When adding hardlinks to an archive, tarfile does not set the size
of each additional link to zero as specified by the tar format [1].

In addition, the current test case hardlinks is also broken.
Instead of testing that the size of a hardlink to a non-empty file
is 0, it tests that the size to a empty file is zero, which cannot
fail.

A patch against current svn trunk is attached and was tested with
'python -m test.regrtest  -v test_tarfile'


1. http://www.gnu.org/software/tar/manual/tar.html#SEC170

----------
components: Library (Lib)
files: python-2.7-tarfile-hardlinks.patch
keywords: patch
messages: 106612
nosy: jsbronder
priority: normal
severity: normal
status: open
title: tarfile:  broken hardlink handling and testcase.
type: behavior
versions: Python 2.7
Added file: http://bugs.python.org/file17474/python-2.7-tarfile-hardlinks.patch

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