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libs/libpcap-1.9.0/bpf_dump.c 1.9 KB
fee2cbd6   amoreau   ajout des librairies
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  /*
   * 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.
   */
  
  #ifdef HAVE_CONFIG_H
  #include <config.h>
  #endif
  
  #include <pcap.h>
  #include <stdio.h>
  
  #include "optimize.h"
  
  void
  bpf_dump(const struct bpf_program *p, int option)
  {
  	const 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
  		if (i < NBIDS && bids[i] > 0)
  			printf("[%02d]", bids[i] - 1);
  		else
  			printf(" -- ");
  #endif
  		puts(bpf_image(insn, i));
  	}
  }