scroll

commit f69ab9f5ad7cca80b924220cd3e92e4779267793
parent 66f97243ff888b8cdcd69b57d3abdaf58a070ec9
Author: Jochen Sprickerhof <git@jochen.sprickerhof.de>
Date:   Sun, 12 Apr 2020 23:06:13 +0200

Simplify condition and add comment

Diffstat:
M
scroll.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/scroll.c b/scroll.c
@@ -270,7 +270,7 @@ redraw()
 	    rows < ws.ws_row; rows++)
 		bottom = TAILQ_NEXT(bottom, entries);
 
-	if (rows <= 0)
+	if (rows == 0)
 		return;
 
 	/* clear screen */
@@ -329,6 +329,7 @@ scrollup(int n)
 		bottom = TAILQ_NEXT(bottom, entries);
 		write(STDOUT_FILENO, scrollend->buf, scrollend->size);
 	}
+	/* move cursor from line n to the bottom */
 	dprintf(STDOUT_FILENO, "\033[%d;0H", ws.ws_row);
 }