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authorRon Yorston <rmy@pobox.com>2018-12-03 10:07:58 +0100
committerDenys Vlasenko <vda.linux@googlemail.com>2018-12-03 10:07:58 +0100
commitd08206dce1291f512d7de9037d9ef1ffbf705cac (patch)
tree373e132573908561f985206eb143a7cebb689f99 /applets_sh
parentb7330460693f12585c7a6246f0dfafd8742af05a (diff)
downloadbusybox-d08206dce1291f512d7de9037d9ef1ffbf705cac.tar.gz
vi: correctly detect when a deletion empties the buffer
Michał Berger has reported two issues: - Repeatedly deleting and undoing the deletion of the last line results in characters being lost from the end of the line. - Deleting the bottom line twice then attempting to undo each of these deletions results in a segfault. The problem seems to be an incorrect test for whether the text buffer is empty. Reported-by: Michał Berger <michallinuxstuff@gmail.com> Signed-off-by: Ron Yorston <rmy@pobox.com> Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
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