diff options
| author | sahlberg <sahlberg@f5534014-38df-0310-8fa8-9805f1628bb7> | 2002-07-31 06:15:26 +0000 |
|---|---|---|
| committer | sahlberg <sahlberg@f5534014-38df-0310-8fa8-9805f1628bb7> | 2002-07-31 06:15:26 +0000 |
| commit | fb72d472d2ce5a8bfb6f0775604a90a6901ddf07 (patch) | |
| tree | 61d0e5d932b0433f29404efb92028869b3b530c6 /epan/packet_info.h | |
| parent | ca7f212d1342717fb06afc6a4ce22b98528bb234 (diff) | |
Adding a new macro CMP_ADDRESS similar to ADDRESS_EQUAL but this one will return
-1,0,1 as the xxxcmp() functions will instead of just true/false.
Useful if you not only want to check for equality but also if you want to have a way to order the elements.
git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@5917 f5534014-38df-0310-8fa8-9805f1628bb7
Diffstat (limited to 'epan/packet_info.h')
| -rw-r--r-- | epan/packet_info.h | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/epan/packet_info.h b/epan/packet_info.h index c6ac1d52fe..18840b6cdc 100644 --- a/epan/packet_info.h +++ b/epan/packet_info.h @@ -1,7 +1,7 @@ /* packet_info.h * Definitions for packet info structures and routines * - * $Id: packet_info.h,v 1.15 2002/06/28 20:13:03 guy Exp $ + * $Id: packet_info.h,v 1.16 2002/07/31 06:15:26 sahlberg Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -55,6 +55,20 @@ typedef struct _address { } /* + * Given two addresses, return + * 0 if the addresses are equal, + * 1 if addr1>addr2 in some nondefined metric + * -1 if addr1<addr2 in some nondefined metric + */ +#define CMP_ADDRESS(addr1, addr2) \ + ( ((addr1)->type > (addr2)->type)?1: \ + ((addr1)->type < (addr2)->type)?-1: \ + ((addr1)->len > (addr2)->len) ?1: \ + ((addr1)->len < (addr2)->len) ?-1: \ + memcmp((addr1)-data, (addr2)->data, (addr1)->len)\ + ) + +/* * Given two addresses, return "true" if they're equal, "false" otherwise. */ #define ADDRESSES_EQUAL(addr1, addr2) \ |