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2006-12-28xdl_merge(): fix a segmentation fault when refining conflictsLibravatar Johannes Schindelin1-0/+22
The function xdl_refine_conflicts() tries to break down huge conflicts by doing a diff on the conflicting regions. However, this does not make sense when one side is empty. Worse, when one side is not only empty, but after EOF, the code accessed unmapped memory. Noticed by Luben Tuikov, Shawn Pearce and Alexandre Julliard, the latter providing a test case. Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>
2006-12-06Add builtin merge-file, a minimal replacement for RCS mergeLibravatar Johannes Schindelin1-0/+116
merge-file has the same syntax as RCS merge, but supports only the "-L" option. For good measure, a test is added, which is quite minimal, though. [jc: further fix for compliation errors included.] Signed-off-by: Johannes Schindelin <Johannes.Schindelin@gmx.de> Signed-off-by: Junio C Hamano <junkio@cox.net>