? safe_strdup (g, optargs->format) : NULL;
iface = optargs->bitmask & GUESTFS_ADD_DRIVE_OPTS_IFACE_BITMASK
? safe_strdup (g, optargs->iface) : safe_strdup (g, DRIVE_IF);
? safe_strdup (g, optargs->format) : NULL;
iface = optargs->bitmask & GUESTFS_ADD_DRIVE_OPTS_IFACE_BITMASK
? safe_strdup (g, optargs->iface) : safe_strdup (g, DRIVE_IF);