Modbus

correct version of --> Allow "" and NULL on TCP host and service (=> IP=INADDR_ANY, and port=0)

2020-06-01, Mario de Sousa
1aed7a582ca7
Parents d6effe86bc2f
Children 7c955a1d39e8
correct version of --> Allow "" and NULL on TCP host and service (=> IP=INADDR_ANY, and port=0)
1 files changed, 2 insertions(+), 2 deletions(-)
  • +2 -2
    mb_tcp.c
    • --- a/mb_tcp.c Mon Jun 01 14:24:57 2020 +0100
    +++ b/mb_tcp.c Mon Jun 01 14:27:56 2020 +0100
    @@ -1517,8 +1517,8 @@
    /* Check the parameters we were passed... */
    if(sin_initaddr(&tmp_addr,
    - node_addr.addr.tcp.host, 0,
    - node_addr.addr.tcp.service, 0,
    + node_addr.addr.tcp.host, 1, // 1 => allow host NULL, "" or "*" -> INADDR_ANY
    + node_addr.addr.tcp.service, 1, // 1 => allow serivce NULL or "" -> port = 0
    DEF_PROTOCOL)
    < 0) {
    #ifdef ERRMSG