The Tcpdump Group git mirrors - libpcap/blob - bpf_dump.c

   1 /*
   2  * Copyright (c) 1992, 1993, 1994, 1995, 1996
   3  *      The Regents of the University of California.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that: (1) source code distributions
   7  * retain the above copyright notice and this paragraph in its entirety, (2)
   8  * distributions including binary code include the above copyright notice and
   9  * this paragraph in its entirety in the documentation or other materials
  10  * provided with the distribution, and (3) all advertising materials mentioning
  11  * features or use of this software display the following acknowledgement:
  12  * ``This product includes software developed by the University of California,
  13  * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
  14  * the University nor the names of its contributors may be used to endorse
  15  * or promote products derived from this software without specific prior
  16  * written permission.
  17  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
  18  * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
  19  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  20  */
  21 #ifndef lint
  22 static const char rcsid[] =
  23     "@(#) $Header: /tcpdump/master/libpcap/bpf_dump.c,v 1.9 1999-10-07 23:47:09 mcr Exp $ (LBL)";
  24 #endif
  25
  26 #include <sys/types.h>
  27 #include <sys/time.h>
  28
  29 #include <pcap.h>
  30 #include <stdio.h>
  31
  32 #include "interface.h"
  33
  34 extern void bpf_dump(struct bpf_program *, int);
  35
  36 void
  37 bpf_dump(struct bpf_program *p, int option)
  38 {
  39         struct bpf_insn *insn;
  40         int i;
  41         int n = p->bf_len;
  42
  43         insn = p->bf_insns;
  44         if (option > 2) {
  45                 printf("%d\n", n);
  46                 for (i = 0; i < n; ++insn, ++i) {
  47                         printf("%u %u %u %u\n", insn->code,
  48                                insn->jt, insn->jf, insn->k);
  49                 }
  50                 return ;
  51         }
  52         if (option > 1) {
  53                 for (i = 0; i < n; ++insn, ++i)
  54                         printf("{ 0x%x, %d, %d, 0x%08x },\n",
  55                                insn->code, insn->jt, insn->jf, insn->k);
  56                 return;
  57         }
  58         for (i = 0; i < n; ++insn, ++i) {
  59 #ifdef BDEBUG
  60                 extern int bids[];
  61                 printf(bids[i] > 0 ? "[%02d]" : " -- ", bids[i] - 1);
  62 #endif
  63                 puts(bpf_image(insn, i));
  64         }
  65 }