diff options
Diffstat (limited to 'tap-protocolinfo.c')
| -rw-r--r-- | tap-protocolinfo.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/tap-protocolinfo.c b/tap-protocolinfo.c index bdc88e8a48..c2025a3ae8 100644 --- a/tap-protocolinfo.c +++ b/tap-protocolinfo.c @@ -1,7 +1,7 @@ /* tap-protocolinfo.c * protohierstat 2002 Ronnie Sahlberg * - * $Id: tap-protocolinfo.c,v 1.2 2003/04/23 03:50:59 guy Exp $ + * $Id: tap-protocolinfo.c,v 1.3 2003/04/23 08:20:01 guy Exp $ * * Ethereal - Network traffic analyzer * By Gerald Combs <gerald@ethereal.com> @@ -77,6 +77,7 @@ protocolinfo_init(char *optarg) char *field=NULL; char *filter=NULL; header_field_info *hfi; + GString *error_string; if(!strncmp("proto,colinfo,",optarg,14)){ filter=optarg+14; @@ -106,14 +107,17 @@ protocolinfo_init(char *optarg) rs->filter=NULL; } - if(register_tap_listener("frame", rs, rs->filter, NULL, protocolinfo_packet, NULL)){ - /* error, we failed to attach to the tap. clean up */ + error_string=register_tap_listener("frame", rs, rs->filter, NULL, protocolinfo_packet, NULL); + if(error_string){ + /* error, we failed to attach to the tap. complain and clean up */ + fprintf(stderr, "tethereal: Couldn't register proto,colinfo tap: %s\n", + error_string->str); + g_string_free(error_string, TRUE); if(rs->filter){ g_free(rs->filter); } g_free(rs); - fprintf(stderr,"tethereal: protocolinfo_init() failed to attach to tap.\n"); exit(1); } } |