pull in the good bits of libpcap-0.9.4's API without the cross-platform

cruft. help from deraadt@, mpf@, jmc@; ok mpf@a

nb. this will break tcpdump unless it updated too

1 files changed, 17 insertions, 2 deletions

diff --git a/lib/libpcap/pcap-int.h b/lib/libpcap/pcap-int.h
index c8d261c736b..f86d5e4b7a3 100644
--- a/lib/libpcap/pcap-int.h
+++ b/lib/libpcap/pcap-int.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: pcap-int.h,v 1.9 2001/10/02 18:04:35 deraadt Exp $	*/
+/*	$OpenBSD: pcap-int.h,v 1.10 2005/11/18 11:05:39 djm Exp $	*/
 
 /*
  * Copyright (c) 1994, 1995, 1996
@@ -32,7 +32,7 @@
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
  *
- * @(#) $Header: /home/cvs/src/lib/libpcap/pcap-int.h,v 1.9 2001/10/02 18:04:35 deraadt Exp $ (LBL)
+ * @(#) $Header: /home/cvs/src/lib/libpcap/pcap-int.h,v 1.10 2005/11/18 11:05:39 djm Exp $ (LBL)
  */
 
 #ifndef pcap_int_h
@@ -73,6 +73,7 @@ struct pcap {
 	int linktype;
 	int tzoff;		/* timezone offset */
 	int offset;		/* offset for proper alignment */
+	int break_loop;		/* force break from packet-reading loop */
 
 	struct pcap_sf sf;
 	struct pcap_md md;
@@ -96,6 +97,12 @@ struct pcap {
 	 */
 	struct bpf_program fcode;
 
+	/*
+	 * Datalink types supported on underlying fd
+	 */
+	int dlt_count;
+	u_int *dlt_list;
+
 	char errbuf[PCAP_ERRBUF_SIZE];
 };
 
@@ -115,6 +122,14 @@ int	yylex(void);
 #define min(a, b) ((a) > (b) ? (b) : (a))
 #endif
 
+/* Not all systems have IFF_LOOPBACK */
+#ifdef IFF_LOOPBACK
+#define ISLOOPBACK(name, flags) ((flags) & IFF_LOOPBACK)
+#else
+#define ISLOOPBACK(name, flags) ((name)[0] == 'l' && (name)[1] == 'o' && \
+    (isdigit((unsigned char)((name)[2])) || (name)[2] == '\0'))
+#endif
+
 /* XXX should these be in pcap.h? */
 int	pcap_offline_read(pcap_t *, int, pcap_handler, u_char *);
 int	pcap_read(pcap_t *, int cnt, pcap_handler, u_char *);