From 17f131946f09f79a21b304050a0a2160bd024590 Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sun, 23 Nov 2003 17:53:32 +0000
Subject: [PATCH] change from rob -- handle ^U like in rio, acme

---
 src/cmd/samterm/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/cmd/samterm/main.c b/src/cmd/samterm/main.c
index 79d3e0ec..07c3426a 100644
--- a/src/cmd/samterm/main.c
+++ b/src/cmd/samterm/main.c
@@ -361,6 +361,10 @@ ctlw(Rasp *r, long o, long p)
 long
 ctlu(Rasp *r, long o, long p)
 {
+	if(--p < o)
+		return o;
+	if(raspc(r, p)=='\n')
+		return p;
 	for(; p-1>=o && raspc(r, p-1)!='\n'; --p)
 		;
 	return p>=o? p : o;