tcpdump/bpf_dump.c
Denis Ovsienko 7e29aa3605 Squelch compiler warnings on OpenBSD.
With these changes tcpdump passes "CFLAGS=-Werror make" on OpenBSD 6.8
AMD64, so build.sh has one less reason to fail.

gcc (GCC) 4.2.1 20070719
(also from OpenBSD clang version 10.0.1 with different wording)

./addrtoname.c: In function 'etheraddr_string':
./addrtoname.c:605: warning: passing argument 2 of 'ether_ntohost'
discards qualifiers from pointer target type

./addrtoname.c: In function 'init_etherarray':
./addrtoname.c:980: warning: passing argument 2 of 'ether_ntohost'
discards qualifiers from pointer target type

./print.c: In function 'pretty_print_packet':
./print.c:389: warning: passing argument 2 of 'ts_print' from
incompatible pointer type

./bpf_dump.c:34: warning: no previous prototype for 'bpf_dump'
2021-03-17 11:55:17 +00:00

63 lines
1.9 KiB
C

/*
* 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 "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));
}
}