From: Matthew Dillon <dillon@dragonflybsd.org>
Date: Sat, 8 Jan 2005 19:17:01 +0000 (+0000)
Subject: Fix a memory leak in regex.
X-Git-Tag: v2.0.1~9224
X-Git-Url: https://gitweb.dragonflybsd.org/dragonfly.git/commitdiff_plain/4fb84813e810169e4b67390544b026309bfc8a18

Fix a memory leak in regex.

Submitted-by: Steve Mynott <steve.mynott@gmail.com>
Taken-from: http://www.freebsd.org/cgi/query-pr.cgi?pr=75656
---

diff --git a/lib/libc/regex/engine.c b/lib/libc/regex/engine.c
index 4f8003abb3..d8f6f6a91b 100644
--- a/lib/libc/regex/engine.c
+++ b/lib/libc/regex/engine.c
@@ -37,7 +37,7 @@
  *	@(#)engine.c	8.5 (Berkeley) 3/20/94
  *
  * $FreeBSD: src/lib/libc/regex/engine.c,v 1.5.8.1 2000/07/31 06:30:37 dcs Exp $
- * $DragonFly: src/lib/libc/regex/engine.c,v 1.5 2004/10/25 19:38:01 drhodus Exp $
+ * $DragonFly: src/lib/libc/regex/engine.c,v 1.6 2005/01/08 19:17:01 dillon Exp $
  */
 
 /*
@@ -239,6 +239,10 @@ matcher(struct re_guts *g, char *string, size_t nmatch, regmatch_t pmatch[],
 	for (;;) {
 		endp = fast(m, start, stop, gf, gl);
 		if (endp == NULL) {		/* a miss */
+			if (m->pmatch != NULL)
+				free((char *)m->pmatch);
+			if (m->lastpos != NULL)
+				free((char *)m->lastpos);
 			STATETEARDOWN(m);
 			return(REG_NOMATCH);
 		}