Set a minimum to backoff, optimize vector and main loop

src/main.c

@@ -37,7 +37,9 @@ static int config_handler(void* user, const char* section, const char* name, con
 		} else if (strcmp(name, "listen") == 0) {
 			listen_port = atoi(value);
 		} else if (strcmp(name, "backoff") == 0) {
-			global_backoff = atoi(value);
+			int val = atoi(value);
+			if (val < 1) val = 1;
+			global_backoff = val;
 		} else {
 			printf("Unknown configuration entry \'%s\'\n", name);
 		}
@@ -160,7 +162,7 @@ int main(int argc, char** argv) {
 		vector_push_back(&services, &service);
 		load_service(&service);
 	}
-	vector_resize(&services, services.size);
+	vector_shrink_to_fit(&services);
 	vector_clear(&tmp_services);
 	vector_destroy(&tmp_services);
 
@@ -174,7 +176,7 @@ int main(int argc, char** argv) {
 		if (report_queued > 0) {
 			report_queued = 0;
 			report();
-		} else sleep(global_backoff / 2);
+		} else sleep(1);
 	}
 	printf("\nShutting down services...\n");
 	fflush(stdout);