/*
* Copyright (c) 1992, 1993, 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.
*/
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: bpf_dump.c,v 1.7 2024/09/02 16:15:29 christos Exp $");
#endif

#include <config.h>

#include "netdissect-stdinc.h"

#include <stdio.h>

#include "netdissect.h"
#include "interface.h"

void
bpf_dump(const struct bpf_program *p, int option)
{
       struct bpf_insn *insn;
       int i;
       int n = p->bf_len;

       insn = p->bf_insns;
       if (option > 2) {
               printf("%d\n", n);
               for (i = 0; i < n; ++insn, ++i) {
                       printf("%u %u %u %u\n", insn->code,
                              insn->jt, insn->jf, insn->k);
               }
               return ;
       }
       if (option > 1) {
               for (i = 0; i < n; ++insn, ++i)
                       printf("{ 0x%x, %d, %d, 0x%08x },\n",
                              insn->code, insn->jt, insn->jf, insn->k);
               return;
       }
       for (i = 0; i < n; ++insn, ++i) {
#ifdef BDEBUG
               extern int bids[];
               printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
#endif
               puts(bpf_image(insn, i));
       }
}