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# bpf_dump.c

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    00001 /*
    00002  * Copyright (c) 1992, 1993, 1994, 1995, 1996
    00003  *  The Regents of the University of California.  All rights reserved.
    00004  *
    00005  * Redistribution and use in source and binary forms, with or without
    00006  * modification, are permitted provided that: (1) source code distributions
    00007  * retain the above copyright notice and this paragraph in its entirety, (2)
    00008  * distributions including binary code include the above copyright notice and
    00009  * this paragraph in its entirety in the documentation or other materials
    00010  * provided with the distribution, and (3) all advertising materials mentioning
    00011  * features or use of this software display the following acknowledgement:
    00012  * ``This product includes software developed by the University of California,
    00013  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
    00014  * the University nor the names of its contributors may be used to endorse
    00015  * or promote products derived from this software without specific prior
    00016  * written permission.
    00017  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
    00018  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
    00019  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
    00020  */
    00021 #ifndef lint
    00022 static const char rcsid[] =
    00023     "@(#) $Header: /tcpdump/master/libpcap/bpf_dump.c,v 1.13 2002/03/24 23:21:51 guy Exp $ (LBL)";
    00024 #endif
    00025
    00026 #ifdef HAVE_CONFIG_H
    00027 #include "config.h"
    00028 #endif
    00029
    00030 #include <pcap.h>
    00031 #include <stdio.h>
    00032
    00033 void
    00034 bpf_dump(struct bpf_program *p, int option)
    00035 {
    00036     struct bpf_insn *insn;
    00037     int i;
    00038     int n = p->bf_len;
    00039
    00040     insn = p->bf_insns;
    00041     if (option > 2) {
    00042         printf("%d\n", n);
    00043         for (i = 0; i < n; ++insn, ++i) {
    00044             printf("%u %u %u %u\n", insn->code,
    00045                    insn->jt, insn->jf, insn->k);
    00046         }
    00047         return ;
    00048     }
    00049     if (option > 1) {
    00050         for (i = 0; i < n; ++insn, ++i)
    00051             printf("{ 0x%x, %d, %d, 0x%08x },\n",
    00052                    insn->code, insn->jt, insn->jf, insn->k);
    00053         return;
    00054     }
    00055     for (i = 0; i < n; ++insn, ++i) {
    00056 #ifdef BDEBUG
    00057         extern int bids[];
    00058         printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
    00059 #endif
    00060         puts(bpf_image(insn, i));
    00061     }
    00062 }

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