diff options
Diffstat (limited to 'src/lib/dlt_client.c')
| -rw-r--r-- | src/lib/dlt_client.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/src/lib/dlt_client.c b/src/lib/dlt_client.c index 2c9f46a..b77556d 100644 --- a/src/lib/dlt_client.c +++ b/src/lib/dlt_client.c @@ -131,7 +131,9 @@ int dlt_client_connect(DltClient *client, int verbose) char portnumbuffer[33]; struct addrinfo hints, *servinfo, *p; int rv; - + char *env_daemon_port; + /* the port may be specified by an environment variable, defaults to DLT_DAEMON_TCP_PORT */ + unsigned short servPort = DLT_DAEMON_TCP_PORT; memset(&hints, 0, sizeof(hints)); hints.ai_socktype = SOCK_STREAM; @@ -140,9 +142,20 @@ int dlt_client_connect(DltClient *client, int verbose) return -1; } + /* the port may be specified by an environment variable */ + env_daemon_port = getenv(DLT_CLIENT_ENV_DAEMON_TCP_PORT); + if (env_daemon_port != NULL) + { + servPort = atoi(env_daemon_port); + } + if (servPort == 0) + { + servPort = DLT_DAEMON_TCP_PORT; + } + if (client->serial_mode==0) { - sprintf(portnumbuffer, "%d", DLT_DAEMON_TCP_PORT); + snprintf(portnumbuffer, 32, "%d", servPort); if ((rv = getaddrinfo(client->servIP, portnumbuffer, &hints, &servinfo)) != 0) { fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv)); return -1; |