Function checkbuffer

src/lbufferlib.cpp:70–76

};

[[nodiscard]] static PlutoBuffer* checkbuffer (lua_State *L, int i) {
  const auto buf = (PlutoBuffer*)luaL_checkudata(L, i, "pluto:buffer");
#ifdef PLUTO_MEMORY_LIMIT
  buf->allocator.L = L;
#endif
  return buf;
}

static int buffer_new (lua_State *L) {
  new (lua_newuserdata(L, sizeof(PlutoBuffer))) PlutoBuffer{};