/* $NetBSD: print-beep.c,v 1.2 2002/04/09 02:53:20 thorpej Exp $ */ /* * 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 * */ #include #ifndef lint #if 0 static const char rcsid[] = "@(#) Header: /tcpdump/master/tcpdump/print-beep.c,v 1.1 2001/12/10 08:21:24 guy Exp"; #else __RCSID("$NetBSD: print-beep.c,v 1.2 2002/04/09 02:53:20 thorpej Exp $"); #endif #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif #include #include #ifdef HAVE_MEMORY_H #include #endif #include #include #include #include #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, bp, length)) /* A REQuest */ printf(" BEEP MSG"); else if (l_strnstart("RPY ", 4, bp, length)) printf(" BEEP RPY"); else if (l_strnstart("ERR ", 4, bp, length)) printf(" BEEP ERR"); else if (l_strnstart("ANS ", 4, bp, length)) printf(" BEEP ANS"); else if (l_strnstart("NUL ", 4, bp, length)) printf(" BEEP NUL"); else if (l_strnstart("SEQ ", 4, bp, length)) printf(" BEEP SEQ"); else if (l_strnstart("END", 4, bp, length)) printf(" BEEP END"); else printf(" BEEP (payload or undecoded)"); }