From: Aurélien Aptel <aurelien.aptel@gmail.com>
Date: Sun, 31 Oct 2010 19:29:22 +0000 (+0100)
Subject: fixed ED.
X-Git-Url: https://git.danieliu.xyz/?a=commitdiff_plain;h=b1e6099220f7e10d88adb8d960db27f63f1d8ccb;p=st.git

fixed ED.
---

diff --git a/st.c b/st.c
index ed8e2a8..76a2016 100644
--- a/st.c
+++ b/st.c
@@ -883,10 +883,14 @@ csihandle(void) {
 	case 'J': /* ED -- Clear screen */
 		switch(escseq.arg[0]) {
 		case 0: /* below */
-			tclearregion(term.c.x, term.c.y, term.col-1, term.row-1);
+			tclearregion(term.c.x, term.c.y, term.col-1, term.c.y);
+			if(term.c.y < term.row-1)
+				tclearregion(0, term.c.y+1, term.col-1, term.row-1);
 			break;
 		case 1: /* above */
-			tclearregion(0, 0, term.c.x, term.c.y);
+			if(term.c.y > 1)
+				tclearregion(0, 0, term.col-1, term.c.y-1);
+			tclearregion(0, term.c.y, term.c.x, term.c.y);
 			break;
 		case 2: /* all */
 			tclearregion(0, 0, term.col-1, term.row-1);