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LDAP_FIRST_REFERENCE(3) FreeBSD Library Functions Manual
NAME ldap_first_reference, ldap_next_reference, ldap_count_references - Stepping through continuation references in a result chain
LIBRARY OpenLDAP LDAP (libldap, -lldap)
SYNOPSIS #include <ldap.h>
int ldap_count_references( LDAP *ld, LDAPMessage *result )
LDAPMessage *ldap_first_reference( LDAP *ld, LDAPMessage *result )
LDAPMessage *ldap_next_reference( LDAP *ld, LDAPMessage *reference )
DESCRIPTION These routines are used to step through the continuation references in a result chain received from ldap_result(3) or the synchronous LDAP search operation routines.
The ldap_first_reference() routine is used to retrieve the first reference message in a result chain. It takes the result as returned by a call to ldap_result(3), ldap_search_s(3) or ldap_search_st(3) and returns a pointer to the first reference message in the result chain.
This pointer should be supplied on a subsequent call to ldap_next_reference() to get the next reference message, the result of which should be supplied to the next call to ldap_next_reference(), etc. ldap_next_reference() will return NULL when there are no more reference messages. The reference messages returned from these calls are used by ldap_parse_reference(3) to extract referrals and controls.
A count of the number of reference messages in the search result can be obtained by calling ldap_count_references(). It can also be used to count the number of reference messages remaining in a result chain.
ERRORS If an error occurs in ldap_first_reference() or ldap_next_reference(), NULL is returned. If an error occurs in ldap_count_references(), -1 is returned.
SEE ALSO ldap(3), ldap_result(3), ldap_search(3), ldap_parse_reference(3)
ACKNOWLEDGEMENTS OpenLDAP Software is developed and maintained by The OpenLDAP Project <http://www.openldap.org/>. OpenLDAP Software is derived from the University of Michigan LDAP 3.3 Release.
OpenLDAP 2.6.6 2023/07/31 LDAP_FIRST_REFERENCE(3)