diff options
Diffstat (limited to 'epan/dissectors/packet-mbtcp.c')
-rw-r--r-- | epan/dissectors/packet-mbtcp.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/epan/dissectors/packet-mbtcp.c b/epan/dissectors/packet-mbtcp.c index 75687b560e..5cc6a3473a 100644 --- a/epan/dissectors/packet-mbtcp.c +++ b/epan/dissectors/packet-mbtcp.c @@ -220,7 +220,7 @@ classify_mbrtu_packet(packet_info *pinfo, tvbuff_t *tvb) /* Dig into these a little deeper to try to guess the message type */ if (!pinfo->srcport) { /* If length is 8, this is either a query or very short response */ - if (tvb_length(tvb) == 8) { + if (tvb_captured_length(tvb) == 8) { /* Only possible to get a response message of 8 bytes with Discrete or Coils */ if ((tvb_get_guint8(tvb, 1) == READ_COILS) || (tvb_get_guint8(tvb, 1) == READ_DISCRETE_INPUTS)) { /* If this is, in fact, a response then the data byte count will be 3 */ @@ -494,12 +494,12 @@ dissect_mbtcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* dat p_add_proto_data(wmem_file_scope(), pinfo, proto_modbus, 0, request_info); /* Continue with dissection of Modbus data payload following Modbus/TCP frame */ - if( tvb_length_remaining(tvb, offset) > 0 ) + if( tvb_captured_length_remaining(tvb, offset) > 0 ) call_dissector(modbus_handle, next_tvb, pinfo, tree); p_remove_proto_data(wmem_file_scope(), pinfo, proto_modbus, 0); p_add_proto_data(wmem_file_scope(), pinfo, proto_modbus, 0, p_save_proto_data); - return tvb_length(tvb); + return tvb_captured_length(tvb); } /* Code to dissect Modbus RTU over TCP packets */ @@ -523,7 +523,7 @@ dissect_mbrtu_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* dat col_set_str(pinfo->cinfo, COL_PROTOCOL, "Modbus RTU"); col_clear(pinfo->cinfo, COL_INFO); - len = tvb_length(tvb); + len = tvb_captured_length(tvb); unit_id = tvb_get_guint8(tvb, 0); function_code = tvb_get_guint8(tvb, 1) & 0x7F; @@ -636,12 +636,12 @@ dissect_mbrtu_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void* dat p_add_proto_data(wmem_file_scope(), pinfo, proto_modbus, 0, request_info); /* Continue with dissection of Modbus data payload following Modbus RTU frame */ - if( tvb_length_remaining(tvb, offset) > 0 ) + if( tvb_captured_length_remaining(tvb, offset) > 0 ) call_dissector(modbus_handle, next_tvb, pinfo, tree); p_remove_proto_data(wmem_file_scope(), pinfo, proto_modbus, 0); p_add_proto_data(wmem_file_scope(), pinfo, proto_modbus, 0, p_save_proto_data); - return tvb_length(tvb); + return tvb_captured_length(tvb); } @@ -669,7 +669,7 @@ get_mbrtu_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset _U_) { /* Modbus/TCP frames include a "length" word in each message; Modbus RTU over TCP does not, so don't attempt to get one */ - return tvb_length(tvb); + return tvb_captured_length(tvb); } @@ -696,7 +696,7 @@ dissect_mbtcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) tcp_dissect_pdus(tvb, pinfo, tree, mbtcp_desegment, 6, get_mbtcp_pdu_len, dissect_mbtcp_pdu, data); - return tvb_length(tvb); + return tvb_captured_length(tvb); } /* Code to dissect Modbus RTU over TCP messages */ @@ -717,7 +717,7 @@ dissect_mbrtu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) tcp_dissect_pdus(tvb, pinfo, tree, mbrtu_desegment, 6, get_mbrtu_pdu_len, dissect_mbrtu_pdu, data); - return tvb_length(tvb); + return tvb_captured_length(tvb); } @@ -852,7 +852,7 @@ dissect_modbus(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _ guint16 diagnostic_code; modbus_request_info_t *request_info; - len = tvb_length_remaining(tvb, 0); + len = tvb_captured_length_remaining(tvb, 0); /* If the packet is zero-length, we should not attempt to dissect any further */ if (len == 0) @@ -1368,7 +1368,7 @@ dissect_modbus(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data _ } } - return tvb_length(tvb); + return tvb_captured_length(tvb); } |