From owner-p4-projects@FreeBSD.ORG  Wed Jan 31 19:04:32 2007
Return-Path: <owner-p4-projects@FreeBSD.ORG>
X-Original-To: p4-projects@freebsd.org
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id 8359D16A40F; Wed, 31 Jan 2007 19:04:32 +0000 (UTC)
X-Original-To: perforce@freebsd.org
Delivered-To: perforce@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id F2C9916A408
	for <perforce@freebsd.org>; Wed, 31 Jan 2007 19:04:31 +0000 (UTC)
	(envelope-from csjp@freebsd.org)
Received: from repoman.freebsd.org (repoman.freebsd.org [69.147.83.41])
	by mx1.freebsd.org (Postfix) with ESMTP id E344D13C4B6
	for <perforce@freebsd.org>; Wed, 31 Jan 2007 19:04:31 +0000 (UTC)
	(envelope-from csjp@freebsd.org)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.13.6/8.13.6) with ESMTP id l0VJ4Vnr095041
	for <perforce@freebsd.org>; Wed, 31 Jan 2007 19:04:31 GMT
	(envelope-from csjp@freebsd.org)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.13.6/8.13.4/Submit) id l0VJ4Vmu095038
	for perforce@freebsd.org; Wed, 31 Jan 2007 19:04:31 GMT
	(envelope-from csjp@freebsd.org)
Date: Wed, 31 Jan 2007 19:04:31 GMT
Message-Id: <200701311904.l0VJ4Vmu095038@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	csjp@freebsd.org using -f
From: "Christian S.J. Peron" <csjp@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 113783 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 31 Jan 2007 19:04:32 -0000

http://perforce.freebsd.org/chv.cgi?CH=113783

Change 113783 by csjp@csjp_rnd01 on 2007/01/31 19:04:17

	use malloc buffer instead of stack allocated storage

Affected files ...

.. //depot/projects/zcopybpf/utils/bpfnull/bpfnull.c#4 edit

Differences ...

==== //depot/projects/zcopybpf/utils/bpfnull/bpfnull.c#4 (text+ko) ====

@@ -83,9 +83,12 @@
 {
 	fd_set s_set, r_set;
 	struct bpf_zbuf bz;
-	char pbuf[65535];
+	char *pbuf;
 	int n;
 
+	pbuf = malloc(bflag + 1);
+	if (pbuf == NULL)
+		err(1, "malloc");
 	FD_SET(fd, &s_set);
         for (;;) {
 		r_set = s_set;
@@ -98,10 +101,10 @@
 			(void) fprintf(stderr,
 			    "DEBUG: wokeup and bpf is ready to read from\n");
 		if (zflag == 0) {
-			n = read(fd, &pbuf[0], bflag);
+			n = read(fd, pbuf, bflag);
 			if (n < 0)
 				err(1, "read failed");
-			bz.bz_bufa = &pbuf[0];
+			bz.bz_bufa = pbuf;
 			bz.bz_buflen = n;
 		} else
 			if (ioctl(fd, BIOCGETZNEXT, &bz) < 0)