diff options
author | 1996-03-04 15:58:52 +0000 | |
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committer | 1996-03-04 15:58:52 +0000 | |
commit | 0cd0aa1a484cfafda4854fc93ed6a98937975928 (patch) | |
tree | d8f77919abf5ae7f1735049a2876d11ef796d703 /usr.sbin/tcpdump/tcpdump.c | |
parent | Update to the latest LBL release. (diff) | |
download | wireguard-openbsd-0cd0aa1a484cfafda4854fc93ed6a98937975928.tar.xz wireguard-openbsd-0cd0aa1a484cfafda4854fc93ed6a98937975928.zip |
Updating to the latest LBL release.
Sun's SKIP support added.
Diffstat (limited to 'usr.sbin/tcpdump/tcpdump.c')
-rw-r--r-- | usr.sbin/tcpdump/tcpdump.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/usr.sbin/tcpdump/tcpdump.c b/usr.sbin/tcpdump/tcpdump.c index fc6b153c80a..db5ba53a932 100644 --- a/usr.sbin/tcpdump/tcpdump.c +++ b/usr.sbin/tcpdump/tcpdump.c @@ -1,3 +1,4 @@ +/* $OpenBSD: tcpdump.c,v 1.2 1996/03/04 15:59:46 mickey Exp $ */ /* $NetBSD: tcpdump.c,v 1.3 1995/04/24 13:27:48 cgd Exp $ */ /* @@ -20,11 +21,35 @@ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ + +/* + * Copyright (c) 1995 Sun Microsystems, Inc. + * All rights reserved. + * + * Permission is hereby granted, without written agreement and without + * license or royalty fees, to use, copy, modify, and distribute this + * software and its documentation for any purpose, provided that the + * above copyright notice and the following two paragraphs appear in + * all copies of this software. + + * IN NO EVENT SHALL SUN MICROSYSTEMS, INC. BE LIABLE TO ANY PARTY FOR + * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES + * ARISING OUT OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF + * SUN MICROSYSTEMS, INC. HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + + * SUN MICROSYSTEMS, INC. SPECIFICALLY DISCLAIMS ANY WARRANTIES, + * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, AND NON-INFRINGEMENT. + * THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND SUN + * MICROSYSTEMS, INC. HAS NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, + * UPDATES, ENHANCEMENTS, OR MODIFICATIONS. +*/ #ifndef lint char copyright[] = "@(#) Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994\nThe Regents of the University of California. All rights reserved.\n"; static char rcsid[] = - "@(#)Header: tcpdump.c,v 1.93 94/06/10 17:01:44 mccanne Exp (LBL)"; + "@(#)Header: tcpdump.c,v 1.93 94/06/10 17:01:44 mccanne Exp $ (LBL)"; #endif /* @@ -64,6 +89,7 @@ int xflag; /* print packet in hex */ int Oflag = 1; /* run filter code optimizer */ int Sflag; /* print raw TCP sequence numbers */ int packettype; +int skipflag; /* Print out SKIP packets */ int dflag; /* print filter code */ @@ -153,7 +179,7 @@ main(int argc, char **argv) program_name = argv[0]; opterr = 0; - while ((op = getopt(argc, argv, "c:defF:i:lnNOpqr:s:StT:vw:xY")) != EOF) + while ((op = getopt(argc, argv, "c:defF:i:klnNOpqr:s:StT:vw:xY")) != EOF) switch (op) { case 'c': cnt = atoi(optarg); @@ -179,6 +205,10 @@ main(int argc, char **argv) device = optarg; break; + case 'k': + skipflag++; + break; + case 'l': setlinebuf(stdout); break; @@ -323,7 +353,11 @@ main(int argc, char **argv) fprintf(stderr, "%s: listening on %s\n", program_name, device); fflush(stderr); } - pcap_loop(pd, cnt, printer, pcap_userdata); + if (pcap_loop(pd, cnt, printer, pcap_userdata) < 0) { + (void)fprintf(stderr, "%s: pcap_loop: %s\n", + program_name, pcap_geterr(pd)); + exit(1); + } pcap_close(pd); exit(0); } |