From d0648192ab892f41213db3a3d92b0619de995e3d Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sat, 21 Apr 2007 22:37:13 +0000
Subject: warn about \w no arg

---
 src/cmd/htmlroff/t11.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

(limited to 'src/cmd/htmlroff')

diff --git a/src/cmd/htmlroff/t11.c b/src/cmd/htmlroff/t11.c
index 53d68aac..dd1dd75b 100644
--- a/src/cmd/htmlroff/t11.c
+++ b/src/cmd/htmlroff/t11.c
@@ -72,8 +72,13 @@ e_w(void)
 {
 	Rune *a;
 	Rune buf[40];
-	
+	static Rune zero;
+
 	a = getqarg();
+	if(a == nil){
+		warn("no arg for \\w");
+		a = &zero;
+	}
 	runesnprint(buf, sizeof buf, "%ld", runestrlen(a));
 	pushinputstring(buf);
 	nr(L("st"), 0);
-- 
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