Function checkstack

third-party/lua-5.2.4/src/ldblib.c:24–27

static void checkstack (lua_State *L, lua_State *L1, int n) {
  if (L != L1 && !lua_checkstack(L1, n))
    luaL_error(L, "stack overflow");
}


static int db_getregistry (lua_State *L) {