From ee85defda48d1d6b7c18b9fab7140c6598d2f658 Mon Sep 17 00:00:00 2001
From: Russ Cox <rsc@swtch.com>
Date: Wed, 4 Feb 2009 20:13:18 -0800
Subject: sed: avoid crash when rregexec return error

---
 src/cmd/sed.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/cmd/sed.c b/src/cmd/sed.c
index a463e071..5849c83f 100644
--- a/src/cmd/sed.c
+++ b/src/cmd/sed.c
@@ -994,7 +994,7 @@ match(Reprog *pattern, Rune *buf)
 		return 0;
 	subexp[0].s.rsp = buf; 
 	subexp[0].e.rep = 0;
-	if (rregexec(pattern, linebuf, subexp, MAXSUB)) {
+	if (rregexec(pattern, linebuf, subexp, MAXSUB) > 0) {
 		loc1 = subexp[0].s.rsp;
 		loc2 = subexp[0].e.rep;
 		return 1;
-- 
cgit v1.2.3