Function checkstack

src/Chain/libraries/glua/ldblib.cpp:34–37

** If L1 != L, L1 can be in any state, and therefore there are no ** guarantees about its stack space; any push in L1 must be ** checked. */

** checked.
*/
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) {