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suppress printing of source and group addresses for zero-sized address length

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This commit is contained in:
hannes 2007-05-24 23:21:28 +00:00
parent 0b10890d61
commit 9926640242
1 changed files with 11 additions and 7 deletions
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18
print-bgp.c
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@ -36,7 +36,7 @@
#ifndef lint
static const char rcsid[] _U_ =
"@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.109 2007-05-24 23:13:18 hannes Exp $";
"@(#) $Header: /tcpdump/master/tcpdump/print-bgp.c,v 1.110 2007-05-24 23:21:28 hannes Exp $";
#endif
#include <tcpdump-stdinc.h>
@ -596,9 +596,11 @@ bgp_vpn_sg_print (const u_char *pptr, char *buf, u_int buflen) {
TCHECK2(pptr[0], addr_length);
total_length += addr_length + 1;
offset = strlen(buf);
snprintf(buf + offset, buflen - offset, ", Source %s",
bgp_vpn_ip_print(pptr, addr_length));
pptr += addr_length;
if (addr_length) {
snprintf(buf + offset, buflen - offset, ", Source %s",
bgp_vpn_ip_print(pptr, addr_length));
pptr += addr_length;
}
/* Group address length */
TCHECK2(pptr[0], 1);
@ -608,9 +610,11 @@ bgp_vpn_sg_print (const u_char *pptr, char *buf, u_int buflen) {
TCHECK2(pptr[0], addr_length);
total_length += addr_length + 1;
offset = strlen(buf);
snprintf(buf + offset, buflen - offset, ", Group %s",
bgp_vpn_ip_print(pptr, addr_length));
pptr += addr_length;
if (addr_length) {
snprintf(buf + offset, buflen - offset, ", Group %s",
bgp_vpn_ip_print(pptr, addr_length));
pptr += addr_length;
}
trunc:
return (total_length);