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/*
* Copyright (C) 2000, Richard Sharpe
*
* This software may be distributed either under the terms of the
* BSD-style licence that accompanies tcpdump or under the GNU GPL
* version 2 or later.
*
* print-beep.c
*
*/
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/tcpdump/print-beep.c,v 1.6 2003-11-16 09:36:13 guy Exp $";
#endif
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <tcpdump-stdinc.h>
#ifdef HAVE_MEMORY_H
#include <memory.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "interface.h"
#include "extract.h"
/* Check for a string but not go beyond length
* Return TRUE on match, FALSE otherwise
*
* Looks at the first few chars up to tl1 ...
*/
static int l_strnstart(const char *, u_int, const char *, u_int);
static int
l_strnstart(const char *tstr1, u_int tl1, const char *str2, u_int l2)
{
if (tl1 > l2)
return 0;
return (strncmp(tstr1, str2, tl1) == 0 ? 1 : 0);
}
void
beep_print(const u_char *bp, u_int length)
{
if (l_strnstart("MSG", 4, (const char *)bp, length)) /* A REQuest */
printf(" BEEP MSG");
else if (l_strnstart("RPY ", 4, (const char *)bp, length))
printf(" BEEP RPY");
else if (l_strnstart("ERR ", 4, (const char *)bp, length))
printf(" BEEP ERR");
else if (l_strnstart("ANS ", 4, (const char *)bp, length))
printf(" BEEP ANS");
else if (l_strnstart("NUL ", 4, (const char *)bp, length))
printf(" BEEP NUL");
else if (l_strnstart("SEQ ", 4, (const char *)bp, length))
printf(" BEEP SEQ");
else if (l_strnstart("END", 4, (const char *)bp, length))
printf(" BEEP END");
else
printf(" BEEP (payload or undecoded)");
}
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