X-Git-Url: http://git.meshlink.io/?a=blobdiff_plain;f=examples%2Fmeshlinkapp.c;h=54e82a39ed4099fcc0d5d2bb752970091f333779;hb=1b0f134888b1d6c9acda938fb654cd4dfd295167;hp=cb15cae8eb2698c9718bcfdefa447f338ae5ec42;hpb=196806f90f40fcc0cf727abd4bed6bc5aefff5ff;p=meshlink

diff --git a/examples/meshlinkapp.c b/examples/meshlinkapp.c
index cb15cae8..54e82a39 100644
--- a/examples/meshlinkapp.c
+++ b/examples/meshlinkapp.c
@@ -3,7 +3,9 @@
 #include "../src/meshlink.h"
 
 void handle_recv_data(meshlink_handle_t *mesh, meshlink_node_t *source, void *data, size_t len) {
-	printf("Received %zu bytes from %s: %s\n", len, source->name, (char*)data);
+	(void)mesh;
+
+	printf("Received %zu bytes from %s: %s\n", len, source->name, (char *)data);
 }
 
 int main(int argc, char **argv) {
@@ -12,19 +14,28 @@ int main(int argc, char **argv) {
 
 	char *remotename = argc > 3 ? argv[3] : "bar";
 
-	meshlink_handle_t* myhandle;
+	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);
 
 		meshlink_node_t *remotenode = meshlink_get_node(myhandle, remotename);
+
 		if(!remotenode) {
 			fprintf(stderr, "Node %s not known yet.\n", remotename);
 			continue;
@@ -32,11 +43,14 @@ int main(int argc, char **argv) {
 
 		//sample data to send out
 		char mydata[200];
-		memset(mydata,0,200);
-		strcpy(mydata,"Hello World!");
+		memset(mydata, 0, 200);
+		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);