Function luaL_checklstring

lua/lauxlib.c:190–199

LUALIB_API const char *luaL_checklstring (lua_State *L, int narg, size_t *len) {
  const char *s = lua_tolstring(L, narg, len);
  /* COMDB2 MODIFICATION. */
  if (!s && narg == 1 && luaL_callmeta(L, 1, "__tostring")) {
      lua_replace(L, narg);
      s = lua_tolstring(L, narg, len);
  }
  if (!s) tag_error(L, narg, LUA_TSTRING);
  return s;
}


LUALIB_API const char *luaL_optlstring (lua_State *L, int narg,