From 43b6c2d818975c0515036b69e9f83c5574b47dbc Mon Sep 17 00:00:00 2001
From: guy <guy>
Date: Sat, 2 Feb 2008 20:42:35 +0000
Subject: [PATCH] Explicitly check for a positive "cnt" argument, as at least
 some other read_op loops do, to clarify that a zero or negative "cnt" value
 means "loop until we run out of packets".

---
 pcap-dag.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/pcap-dag.c b/pcap-dag.c
index f53fe23..207f5f3 100644
--- a/pcap-dag.c
+++ b/pcap-dag.c
@@ -17,7 +17,7 @@
 
 #ifndef lint
 static const char rcsid[] _U_ =
-	"@(#) $Header: /tcpdump/master/libpcap/pcap-dag.c,v 1.35 2008-01-06 21:25:54 guy Exp $ (LBL)";
+	"@(#) $Header: /tcpdump/master/libpcap/pcap-dag.c,v 1.36 2008-02-02 20:42:35 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -538,7 +538,7 @@ dag_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
 	
 			/* Only count packets that pass the filter, for consistency with standard Linux behaviour. */
 			processed++;
-			if (processed == cnt)
+			if (processed == cnt && cnt > 0)
 			{
 				/* Reached the user-specified limit. */
 				return cnt;