improve log (show debug only if verbose active)

wireless/wifictld/Makefile

@@ -9,8 +9,6 @@ PKG_LICENSE:=APGL
 
 include $(INCLUDE_DIR)/package.mk
 
-#TARGET_CFLAGS += -DDEBUG
-
 define Package/wifictld/Default
 	SECTION:=net
 	CATEGORY:=Network
@@ -23,6 +21,7 @@ define Package/wifictld
 	$(call Package/wifictld/Default)
 	TITLE+= (full)
 	VARIANT:=full
+	TARGET_CFLAGS += -DDEBUG -ggdb3
 endef
 
 define Package/wifictld-mini

wireless/wifictld/src/log.c

@@ -6,6 +6,8 @@ int verbose = 0;
 
 #ifdef DEBUG
 void log_debug(const char *format, ...) {
+	if (!verbose)
+		return;
 	va_list args;
 	va_start(args, format);
 	vprintf(format, args);

wireless/wifictld/src/main.c

@@ -17,7 +17,7 @@ int main(int argc, char *argv[])
 	log_info("start wifictld (full)\n");
 	#endif
 
-	int c;
+	int c = 0;
 	while ((c = getopt(argc, argv, "v")) != -1) {
 		switch (c) {
 			case 'v':
@@ -37,6 +37,7 @@ int main(int argc, char *argv[])
 	ret = wifi_clients_init();
 	if (ret)
 	{
+		log_error("exit with error on client init\n");
 		return ret;
 	}
 	// bind to loop
@@ -44,6 +45,7 @@ int main(int argc, char *argv[])
 	if (ret)
 	{
 		wifi_clients_close();
+		log_error("exit with error on ubus init\n");
 		return ret;
 	}
 	uloop_run();
@@ -53,5 +55,7 @@ int main(int argc, char *argv[])
 	wifictld_ubus_close();
 	wifi_clients_close();
 
+	log_info("safe exit\n");
+
 	return 0;
 }