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-rw-r--r--bpf_dump.c62
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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 "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));
+ }
+}