plan9port

commit d0648192ab892f41213db3a3d92b0619de995e3d
parent 14b4a4702c719bf185dde797999a0ba5cad5465f
Author: rsc <devnull@localhost>
Date:   Sat, 21 Apr 2007 22:37:13 +0000

warn about \w no arg

Diffstat:
M
src/cmd/htmlroff/t11.c
 | 
7
++++++-

1 file changed, 6 insertions(+), 1 deletion(-)
diff --git 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);