KADM5_HIST_PRINCIPAL
snprintf(princ_name, sizeof(princ_name), "%s@%s", KADM5_HIST_PRINCIPAL, global_params.realm);
if ((hist_name = (char *) malloc(strlen(KADM5_HIST_PRINCIPAL) +
(void) sprintf(hist_name, "%s@%s", KADM5_HIST_PRINCIPAL, realm);