diff options
Diffstat (limited to 'proto.c')
| -rw-r--r-- | proto.c | 55 |
1 files changed, 54 insertions, 1 deletions
@@ -1,7 +1,7 @@ /* proto.c * Routines for protocol tree * - * $Id: proto.c,v 1.33 1999/10/11 17:02:06 deniel Exp $ + * $Id: proto.c,v 1.34 1999/10/12 04:21:12 gram Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@zing.org> @@ -725,6 +725,59 @@ proto_registrar_is_protocol(int n) return FALSE; } +/* Returns length of field. + * 0 means undeterminable at time of registration + * -1 means the field is not registered. */ +gint +proto_registrar_get_length(int n) +{ + struct header_field_info *hfinfo; + + hfinfo = find_hfinfo_record(n); + if (!hfinfo) + return -1; + + switch (hfinfo->type) { + case FT_TEXT_ONLY: /* not filterable */ + case NUM_FIELD_TYPES: /* satisfy picky compilers */ + return -1; + + case FT_NONE: + case FT_BYTES: + case FT_BOOLEAN: + case FT_STRING: + case FT_DOUBLE: + case FT_ABSOLUTE_TIME: + case FT_RELATIVE_TIME: + return 0; + + case FT_UINT8: + case FT_VALS_UINT8: + return 1; + + case FT_UINT16: + case FT_VALS_UINT16: + return 2; + + case FT_VALS_UINT24: + return 3; + + case FT_UINT32: + case FT_VALS_UINT32: + case FT_IPXNET: + case FT_IPv4: + return 4; + + case FT_ETHER: + return 6; + + case FT_IPv6: + return 128; + } + g_assert_not_reached(); + return -1; +} + /* Looks for a protocol or a field in a proto_tree. Returns TRUE if * it exists anywhere, or FALSE if it exists nowhere. */ gboolean |