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patch: fix segfault against unified diffs which start line is zero Since 2b1ec74c961f, if a chunk starts with "@@ -0,1", oldstart turns into a negative value. Because diffhelpers.testhunk() doesn't expect negative bstart, it bypasses "alen > blen - bstart" condition and segfaults at "PyList_GET_ITEM(b, i + bstart)".
author Yuya Nishihara <yuya@tcha.org>
date Sat, 12 May 2012 16:10:01 +0900
parents 2b440bb8a66b
children 1aee2ab0f902
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