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authorLibravatar Jonathan Nieder <jrnieder@gmail.com>2011-05-27 04:07:44 -0500
committerLibravatar Jonathan Nieder <jrnieder@gmail.com>2011-06-15 02:15:22 -0500
commitfbdd4f6fb477885e4bf81658e02c3542a861c695 (patch)
tree4284cbc220ef15c28474e3203448fd60397c68d5 /builtin/annotate.c
parenttest-svn-fe: split off "test-svn-fe -d" into a separate function (diff)
downloadtgif-fbdd4f6fb477885e4bf81658e02c3542a861c695.tar.xz
vcs-svn: cap number of bytes read from sliding view
Introduce a "max_off" field in struct sliding_view, roughly representing a maximum number of bytes that can be read from "file". If it is set to a nonnegative integer, a call to move_window() attempting to put the right endpoint beyond that offset will return an error instead. The idea is to use this when applying Subversion-format deltas to prevent reads past the end of the preimage (which has known length). Without such a check, corrupt deltas would cause svn-fe to block indefinitely when data in the input pipe is exhausted. Inspired-by: Ramkumar Ramachandra <artagnon@gmail.com> Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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