mariadb-10.2.14/storage/tokudb/PerconaFT/ft/logger/logger.cc:675: suspicious expression ?

mariadb-10.2.14/storage/tokudb/PerconaFT/ft/logger/logger.cc:675]: (warning) Found calculation inside sizeof().

Source code is

int width = sizeof(result[0]+2);

Maybe better code

int width = sizeof(result[0])+2;