[src/trunk]: src/usr.bin/grep Fix memory leaks.

[joerg <joerg%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/97e7ccb5a614
branches:  trunk
changeset: 764379:97e7ccb5a614
user:      joerg <joerg%NetBSD.org@localhost>
date:      Mon Apr 18 03:47:40 2011 +0000

description:
Fix memory leaks.

diffstat:

 usr.bin/grep/queue.c |  16 +++++++++++-----
 1 files changed, 11 insertions(+), 5 deletions(-)

diffs (50 lines):

diff -r 563d2acbff9e -r 97e7ccb5a614 usr.bin/grep/queue.c
--- a/usr.bin/grep/queue.c      Mon Apr 18 03:27:40 2011 +0000
+++ b/usr.bin/grep/queue.c      Mon Apr 18 03:47:40 2011 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: queue.c,v 1.3 2011/04/18 03:27:40 joerg Exp $  */
+/*     $NetBSD: queue.c,v 1.4 2011/04/18 03:47:40 joerg Exp $  */
 /*     $FreeBSD: head/usr.bin/grep/queue.c 211496 2010-08-19 09:28:59Z des $   */
 /*-
  * Copyright (c) 1999 James Howard and Dag-Erling Coïdan Smørgrav
@@ -36,7 +36,7 @@
 #endif
 
 #include <sys/cdefs.h>
-__RCSID("$NetBSD: queue.c,v 1.3 2011/04/18 03:27:40 joerg Exp $");
+__RCSID("$NetBSD: queue.c,v 1.4 2011/04/18 03:47:40 joerg Exp $");
 
 #include <sys/param.h>
 #include <sys/queue.h>
@@ -71,8 +71,11 @@
 
        STAILQ_INSERT_TAIL(&queue, item, list);
 
-       if (++count > Bflag)
-               free(dequeue());
+       if (++count > Bflag) {
+               item = dequeue();
+               free(item->data.dat);
+               free(item);
+       }
 }
 
 static struct qentry *
@@ -96,6 +99,7 @@
 
        while ((item = dequeue()) != NULL) {
                printline(&item->data, '-', (regmatch_t *)NULL, 0);
+               free(item->data.dat);
                free(item);
        }
 }
@@ -105,6 +109,8 @@
 {
        struct qentry *item;
 
-       while ((item = dequeue()) != NULL)
+       while ((item = dequeue()) != NULL) {
+               free(item->data.dat);
                free(item);
+       }
 }