if (strcmp(walker->key, "image_width") == 0) {
*xsize = walker->value.u_int;
} else if (strcmp(walker->key, "image_height") == 0) {
if (strcmp(walker->key, "image_width") == 0) {
*xsize = walker->value.u_int;
} else if (strcmp(walker->key, "image_height") == 0) {