static int
lketama_roll(lua_State *L){
size_t fsiz;
char *filename = (char *)luaL_checklstring(L, 1, &fsiz);
if( fsiz > 255 ) return luaL_argerror(L, 1, "filename must not be longer than 255 bytes");
contdata *data = lua_newuserdata(L, sizeof(*data));
if(!data) return default_error(L);
if(ketama_roll((ketama_continuum*)&data->cont, filename) == 0) return nil_error(L, 0, "continuum fail");
luaL_getmetatable(L, MT_NAME);
lua_setmetatable(L, -2);
return 1;
}
static int
default_error(lua_State *L){
return nil_error(L, errno, strerror(errno));
}
