char *path1 = g_build_filename(battery_dir, "energy_now", NULL);
if (g_file_test (path1, G_FILE_TEST_EXISTS)) {
path_energy_now = g_build_filename(battery_dir, "energy_now", NULL);
char *path1 = g_build_filename(battery_dir, "energy_now", NULL);
if (g_file_test (path1, G_FILE_TEST_EXISTS)) {
path_energy_now = g_build_filename(battery_dir, "energy_now", NULL);