X-Git-Url: http://git.meshlink.io/?p=meshlink;a=blobdiff_plain;f=examples%2Fmanynodes.c;fp=examples%2Fmanynodes.c;h=d9fb0a41fee1f826458a4a18af3a0d20f24e95d9;hp=fbfd215fe171b797aa5d2335c766af54578bf081;hb=fe5563f92021618b4a8b41e412c73d8364fcaf6e;hpb=6c897377f68fc23ca9a8b23a6ca204517998b2e9

diff --git a/examples/manynodes.c b/examples/manynodes.c
index fbfd215f..d9fb0a41 100644
--- a/examples/manynodes.c
+++ b/examples/manynodes.c
@@ -71,8 +71,11 @@ static void linkmesh() {
 
 		for(int j = i + 1; j < n; j++) {
 			char *dataj = meshlink_export(mesh[j]);
-			meshlink_import(mesh[i], dataj);
-			meshlink_import(mesh[j], datai);
+
+			if(!meshlink_import(mesh[i], dataj) || !meshlink_import(mesh[j], datai)) {
+				fprintf(stderr, "Could not exchange keys between %s and %s: %s\n", mesh[i]->name, mesh[j]->name, meshlink_strerror(meshlink_errno));
+			}
+
 			free(dataj);
 		}
 
@@ -248,7 +251,10 @@ static void parse_command(char *buf) {
 			return;
 		}
 
-		meshlink_blacklist(mesh[nodeindex], node);
+		if(!meshlink_blacklist(mesh[nodeindex], node)) {
+			fprintf(stderr, "Error blacklising '%s': %s", arg, meshlink_strerror(meshlink_errno));
+			return;
+		}
 
 		printf("Node '%s' blacklisted.\n", arg);
 	} else if(!strcasecmp(buf, "whitelist")) {
@@ -264,7 +270,10 @@ static void parse_command(char *buf) {
 			return;
 		}
 
-		meshlink_whitelist(mesh[nodeindex], node);
+		if(!meshlink_whitelist(mesh[nodeindex], node)) {
+			fprintf(stderr, "Error whitelising '%s': %s", arg, meshlink_strerror(meshlink_errno));
+			return;
+		}
 
 		printf("Node '%s' whitelisted.\n", arg);
 	} else if(!strcasecmp(buf, "who")) {