Function luaL_checkstack

third-party/lua-5.2.4/src/lauxlib.c:333–342

LUALIB_API void luaL_checkstack (lua_State *L, int space, const char *msg) {
  /* keep some extra space to run error routines, if needed */
  const int extra = LUA_MINSTACK;
  if (!lua_checkstack(L, space + extra)) {
    if (msg)
      luaL_error(L, "stack overflow (%s)", msg);
    else
      luaL_error(L, "stack overflow");
  }
}


LUALIB_API void luaL_checktype (lua_State *L, int narg, int t) {