diff options
Diffstat (limited to 'src/nvim/undo.c')
| -rw-r--r-- | src/nvim/undo.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/nvim/undo.c b/src/nvim/undo.c index d2dc333855..529eef19a3 100644 --- a/src/nvim/undo.c +++ b/src/nvim/undo.c @@ -2418,10 +2418,11 @@ static void u_undoredo(int undo, bool do_buf_event) changed_lines(top + 1, 0, bot, newsize - oldsize, do_buf_event); - // set '[ and '] mark + // Set the '[ mark. if (top + 1 < curbuf->b_op_start.lnum) { curbuf->b_op_start.lnum = top + 1; } + // Set the '] mark. if (newsize == 0 && top + 1 > curbuf->b_op_end.lnum) { curbuf->b_op_end.lnum = top + 1; } else if (top + newsize > curbuf->b_op_end.lnum) { @@ -2442,6 +2443,14 @@ static void u_undoredo(int undo, bool do_buf_event) newlist = uep; } + // Ensure the '[ and '] marks are within bounds. + if (curbuf->b_op_start.lnum > curbuf->b_ml.ml_line_count) { + curbuf->b_op_start.lnum = curbuf->b_ml.ml_line_count; + } + if (curbuf->b_op_end.lnum > curbuf->b_ml.ml_line_count) { + curbuf->b_op_end.lnum = curbuf->b_ml.ml_line_count; + } + // Adjust Extmarks ExtmarkUndoObject undo_info; if (undo) { |