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authorJonathan Nieder <jrnieder@gmail.com>2011-05-27 09:07:44 (GMT)
committerJonathan Nieder <jrnieder@gmail.com>2011-06-15 07:15:22 (GMT)
commitfbdd4f6fb477885e4bf81658e02c3542a861c695 (patch)
tree4284cbc220ef15c28474e3203448fd60397c68d5 /test-svn-fe.c
parentb747e5675db5e26292c942146a25e1c26440c5f7 (diff)
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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>
Diffstat (limited to 'test-svn-fe.c')
-rw-r--r--test-svn-fe.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/test-svn-fe.c b/test-svn-fe.c
index a027626..332a5f7 100644
--- a/test-svn-fe.c
+++ b/test-svn-fe.c
@@ -15,7 +15,7 @@ static int apply_delta(int argc, char *argv[])
{
struct line_buffer preimage = LINE_BUFFER_INIT;
struct line_buffer delta = LINE_BUFFER_INIT;
- struct sliding_view preimage_view = SLIDING_VIEW_INIT(&preimage);
+ struct sliding_view preimage_view = SLIDING_VIEW_INIT(&preimage, -1);
if (argc != 5)
usage(test_svnfe_usage);