2 * Copyright (C) 2000, Richard Sharpe
4 * This software may be distributed either under the terms of the
5 * BSD-style licence that accompanies tcpdump or under the GNU GPL
12 #define NETDISSECT_REWORKED
17 #include <tcpdump-stdinc.h>
21 #include "interface.h"
23 /* Check for a string but not go beyond length
24 * Return TRUE on match, FALSE otherwise
26 * Looks at the first few chars up to tl1 ...
30 l_strnstart(const char *tstr1, u_int tl1, const char *str2, u_int l2)
36 return (strncmp(tstr1, str2, tl1) == 0 ? 1 : 0);
40 beep_print(netdissect_options *ndo, const u_char *bp, u_int length)
43 if (l_strnstart("MSG", 4, (const char *)bp, length)) /* A REQuest */
44 ND_PRINT((ndo, " BEEP MSG"));
45 else if (l_strnstart("RPY ", 4, (const char *)bp, length))
46 ND_PRINT((ndo, " BEEP RPY"));
47 else if (l_strnstart("ERR ", 4, (const char *)bp, length))
48 ND_PRINT((ndo, " BEEP ERR"));
49 else if (l_strnstart("ANS ", 4, (const char *)bp, length))
50 ND_PRINT((ndo, " BEEP ANS"));
51 else if (l_strnstart("NUL ", 4, (const char *)bp, length))
52 ND_PRINT((ndo, " BEEP NUL"));
53 else if (l_strnstart("SEQ ", 4, (const char *)bp, length))
54 ND_PRINT((ndo, " BEEP SEQ"));
55 else if (l_strnstart("END", 4, (const char *)bp, length))
56 ND_PRINT((ndo, " BEEP END"));
58 ND_PRINT((ndo, " BEEP (payload or undecoded)"));