525  * Merges "additional" options to "primary" and returns the result.
530     const struct sshauthopt *additional, const char **errstrp)  in sshauthopt_merge()  argument
548 		tmp = additional->required_from_host_cert;  in sshauthopt_merge()
553 		tmp = additional->required_from_host_keys;  in sshauthopt_merge()
563 		ret->force_tun_device = additional->force_tun_device;  in sshauthopt_merge()
568 	} else if (additional->nenv) {  in sshauthopt_merge()
570 		    additional->env, additional->nenv) != 0)  in sshauthopt_merge()
577 	} else if (additional->npermitopen > 0) {  in sshauthopt_merge()
579 		    additional->permitopen, additional->npermitopen) != 0)  in sshauthopt_merge()
587 	} else if (additional->npermitlisten > 0) {  in sshauthopt_merge()
589 		    additional->permitlisten, additional->npermitlisten) != 0)  in sshauthopt_merge()
593 #define OPTFLAG_AND(x) ret->x = (primary->x == 1) && (additional->x == 1)  in sshauthopt_merge()
594 #define OPTFLAG_OR(x) ret->x = (primary->x == 1) || (additional->x == 1)  in sshauthopt_merge()
609 	if (additional->valid_before != 0 &&  in sshauthopt_merge()
610 	    additional->valid_before < ret->valid_before)  in sshauthopt_merge()
611 		ret->valid_before = additional->valid_before;  in sshauthopt_merge()
618 	    additional->force_command != NULL) {  in sshauthopt_merge()
620 		    additional->force_command) == 0) {  in sshauthopt_merge()
633 	} else if (additional->force_command != NULL) {  in sshauthopt_merge()
635 		    additional->force_command)) == NULL)  in sshauthopt_merge()