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authormcr <mcr>1999-10-07 23:46:40 +0000
committermcr <mcr>1999-10-07 23:46:40 +0000
commitb11ddf8a9b0d30bf759abf01afcf2894e79857b1 (patch)
tree5e15f6638915dde6ec02702ea6a5a0974894d4d4 /pcap-null.c
Initial revision
Diffstat (limited to 'pcap-null.c')
-rw-r--r--pcap-null.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/pcap-null.c b/pcap-null.c
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--- /dev/null
+++ b/pcap-null.c
@@ -0,0 +1,73 @@
+/*
+ * Copyright (c) 1994, 1995, 1996
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+#ifndef lint
+static const char rcsid[] =
+ "@(#) $Header: /tcpdump/master/libpcap/pcap-null.c,v 1.7 1999-10-07 23:46:40 mcr Exp $ (LBL)";
+#endif
+
+#include <sys/param.h> /* optionally get BSD define */
+
+#include <string.h>
+
+#include "gnuc.h"
+#ifdef HAVE_OS_PROTO_H
+#include "os-proto.h"
+#endif
+
+#include "pcap-int.h"
+
+static char nosup[] = "live packet capture not supported on this system";
+
+int
+pcap_stats(pcap_t *p, struct pcap_stat *ps)
+{
+
+ (void)sprintf(p->errbuf, "pcap_stats: %s", nosup);
+ return (-1);
+}
+
+int
+pcap_read(pcap_t *p, int cnt, pcap_handler callback, u_char *user)
+{
+
+ (void)sprintf(p->errbuf, "pcap_read: %s", nosup);
+ return (-1);
+}
+
+pcap_t *
+pcap_open_live(char *device, int snaplen, int promisc, int to_ms, char *ebuf)
+{
+
+ (void)strcpy(ebuf, nosup);
+ return (NULL);
+}
+
+int
+pcap_setfilter(pcap_t *p, struct bpf_program *fp)
+{
+
+ if (p->sf.rfile == NULL) {
+ (void)sprintf(p->errbuf, "pcap_setfilter: %s", nosup);
+ return (-1);
+ }
+ p->fcode = *fp;
+ return (0);
+}