-fprintf(f, "Library version: LMDB: Compile: %d.%d.%d\n",
- MDB_VERSION_MAJOR, MDB_VERSION_MINOR, MDB_VERSION_PATCH);
+gstring * g = string_fmt_append(g,
+ "Library version: LMDB: Compile: %d.%d.%d\n",
+ MDB_VERSION_MAJOR, MDB_VERSION_MINOR, MDB_VERSION_PATCH);