Never automatically try to bind to ports >= 32768.

[meshlink] / examples / meshlinkapp.c

diff --git a/examples/meshlinkapp.c b/examples/meshlinkapp.c
index 2c12ea114220348acecab1763fb2f85998a6acaf..67f996a4f91b75c3e036304a8dad4a29f7a8615a 100644 (file)
--- a/examples/meshlinkapp.c
+++ b/examples/meshlinkapp.c
@@ -2,26 +2,33 @@
 #include "../src/system.h"
 #include "../src/meshlink.h"
 
-void handle_recv_data(meshlink_handle_t *mesh, meshlink_node_t *source, void *data, size_t len) {
+static void handle_recv_data(meshlink_handle_t *mesh, meshlink_node_t *source, void *data, size_t len) {
        (void)mesh;
 
        printf("Received %zu bytes from %s: %s\n", len, source->name, (char *)data);
 }
 
 int main(int argc, char **argv) {
-       char *confbase = argc > 1 ? argv[1] : "/tmp/meshlink/";
-       char *name = argc > 2 ? argv[2] : "foo";
-
-       char *remotename = argc > 3 ? argv[3] : "bar";
+       const char *confbase = argc > 1 ? argv[1] : "/tmp/meshlink/";
+       const char *name = argc > 2 ? argv[2] : "foo";
+       const char *remotename = argc > 3 ? argv[3] : "bar";
 
        meshlink_handle_t *myhandle;
 
        myhandle = meshlink_open(confbase, name, "meshlinkapp", DEV_CLASS_STATIONARY);
 
+       if(!myhandle) {
+               fprintf(stderr, "Could not open MeshLink: %s", meshlink_strerror(meshlink_errno));
+               return 1;
+       }
+
        //Register callback function for incoming data
        meshlink_set_receive_cb(myhandle, (meshlink_receive_cb_t)handle_recv_data);
 
-       meshlink_start(myhandle);
+       if(!meshlink_start(myhandle)) {
+               fprintf(stderr, "Could not start MeshLink: %s", meshlink_strerror(meshlink_errno));
+               return 1;
+       }
 
        while(1) {
                sleep(10);
@@ -39,7 +46,10 @@ int main(int argc, char **argv) {
                strcpy(mydata, "Hello World!");
 
                //send out data
-               meshlink_send(myhandle, remotenode, mydata, sizeof(mydata));
+               if(!meshlink_send(myhandle, remotenode, mydata, sizeof(mydata))) {
+                       fprintf(stderr, "Error sending data: %s", meshlink_strerror(meshlink_errno));
+                       return 1;
+               }
        }
 
        meshlink_stop(myhandle);