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fallback definitions for some constants

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This commit is contained in:
assar 2000-04-09 19:15:59 +00:00
parent 4f56a7066b
commit fcf96ff8c7
1 changed files with 22 additions and 1 deletions
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23
print-ip6opts.c
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@ -33,7 +33,7 @@
#ifndef lint
static const char rcsid[] =
"@(#) $Header: /tcpdump/master/tcpdump/print-ip6opts.c,v 1.3 2000-01-09 21:34:18 fenner Exp $";
"@(#) $Header: /tcpdump/master/tcpdump/print-ip6opts.c,v 1.4 2000-04-09 19:15:59 assar Exp $";
#endif
#ifdef INET6
@ -58,17 +58,32 @@ ip6_opt_print(const u_char *bp, int len)
for (i = 0; i < len; i += optlen) {
switch (bp[i]) {
#ifndef IP6OPT_PAD1
#define IP6OPT_PAD1 0x00
#endif
case IP6OPT_PAD1:
optlen = 1;
break;
#ifndef IP6OPT_PADN
#define IP6OPT_PADN 0x01
#endif
case IP6OPT_PADN:
#ifndef IP6OPT_MINLEN
#define IP6OPT_MINLEN 2
#endif
if (len - i < IP6OPT_MINLEN) {
printf("(padn: trunc)");
goto trunc;
}
optlen = bp[i + 1] + 2;
break;
#ifndef IP6OPT_RTALERT
#define IP6OPT_RTALERT 0x05
#endif
case IP6OPT_RTALERT:
#ifndef IP6OPT_RTALERT_LEN
#define IP6OPT_RTALERT_LEN 4
#endif
if (len - i < IP6OPT_RTALERT_LEN) {
printf("(rtalert: trunc)");
goto trunc;
@ -80,7 +95,13 @@ ip6_opt_print(const u_char *bp, int len)
printf("(rtalert: 0x%04x) ", ntohs(*(u_short *)&bp[i + 2]));
optlen = IP6OPT_RTALERT_LEN;
break;
#ifndef IP6OPT_JUMBO
#define IP6OPT_JUMBO 0xC2
#endif
case IP6OPT_JUMBO:
#ifndef IP6OPT_JUMBO_LEN
#define IP6OPT_JUMBO_LEN 6
#endif
if (len - i < IP6OPT_JUMBO_LEN) {
printf("(jumbo: trunc)");
goto trunc;