plan9port

commit ee85defda48d1d6b7c18b9fab7140c6598d2f658
parent 1adb2a07bff16932f070a29af8460c35be34fb65
Author: Russ Cox <rsc@swtch.com>
Date:   Wed,  4 Feb 2009 20:13:18 -0800

sed: avoid crash when rregexec return error

Diffstat:
M
src/cmd/sed.c
 | 
2
+-

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