Forgot to handle case of empty scrollback

This commit is contained in:
Kovid Goyal
2021-04-23 16:07:10 +05:30
parent 3c39cbf333
commit d782654819

View File

@@ -1143,9 +1143,10 @@ _reverse_scroll(Screen *self, unsigned int count, bool fill_from_scrollback) {
unsigned int top = self->margin_top, bottom = self->margin_bottom;
fill_from_scrollback = fill_from_scrollback && self->linebuf == self->main_linebuf;
while (count-- > 0) {
if (fill_from_scrollback) historybuf_pop_line(self->historybuf, self->alt_linebuf->line);
bool copied = false;
if (fill_from_scrollback) copied = historybuf_pop_line(self->historybuf, self->alt_linebuf->line);
INDEX_DOWN;
if (fill_from_scrollback) linebuf_copy_line_to(self->main_linebuf, self->alt_linebuf->line, 0);
if (copied) linebuf_copy_line_to(self->main_linebuf, self->alt_linebuf->line, 0);
}
}