diff options
| -rw-r--r-- | src/nvim/screen.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/nvim/screen.c b/src/nvim/screen.c index fb019a4d2d..e2dee154df 100644 --- a/src/nvim/screen.c +++ b/src/nvim/screen.c @@ -5372,8 +5372,11 @@ void grid_puts_len(ScreenGrid *grid, char_u *text, int textlen, int row, screen_adjust_grid(&grid, &row, &col); - // safety check - if (grid->chars == NULL || row >= grid->Rows || col >= grid->Columns) { + // Safety check. The check for negative row and column is to fix issue + // vim/vim#4102. TODO: find out why row/col could be negative. + if (grid->chars == NULL + || row >= grid->Rows || row < 0 + || col >= grid->Columns || col < 0) { return; } |