76 lines
2.3 KiB
Groff
76 lines
2.3 KiB
Groff
.TH LDAP_FIRST_REFERENCE 3 "2010/06/30" "OpenLDAP 2.4.23"
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.\" OpenLDAP: pkg/ldap/doc/man/man3/ldap_first_reference.3,v 1.11.2.6 2010/04/13 20:22:39 kurt Exp
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.\" Copyright 1998-2010 The OpenLDAP Foundation All Rights Reserved.
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.\" Copying restrictions apply. See COPYRIGHT/LICENSE.
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.SH NAME
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ldap_first_reference, ldap_next_reference, ldap_count_references \- Stepping through continuation references in a result chain
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.SH LIBRARY
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OpenLDAP LDAP (libldap, \-lldap)
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.SH SYNOPSIS
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.nf
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.ft B
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#include <ldap.h>
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.LP
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.ft B
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int ldap_count_references( LDAP *ld, LDAPMessage *result )
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.LP
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.ft B
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LDAPMessage *ldap_first_reference( LDAP *ld, LDAPMessage *result )
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.LP
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.ft B
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LDAPMessage *ldap_next_reference( LDAP *ld, LDAPMessage *reference )
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.SH DESCRIPTION
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.LP
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These routines are used to step through the continuation references in a
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result chain received from
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.BR ldap_result (3)
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or the synchronous LDAP search operation routines.
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.LP
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The
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.B ldap_first_reference()
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routine is used to retrieve the first reference message in a
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result chain. It takes the \fIresult\fP as returned by a call to
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.BR ldap_result (3) ,
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.BR ldap_search_s (3)
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or
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.BR ldap_search_st (3)
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and returns a pointer to the first reference message in the
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result chain.
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.LP
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This pointer should be supplied on a subsequent call to
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.B ldap_next_reference()
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to get the next reference message, the result of which should be
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supplied to the next call to
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.BR ldap_next_reference() ,
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etc.
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.B ldap_next_reference()
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will return NULL when there are no more reference messages.
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The reference messages returned from these calls are used by
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.BR ldap_parse_reference (3)
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to extract referrals and controls.
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.LP
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A count of the number of reference messages in the search result can be
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obtained by calling
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.BR ldap_count_references() .
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It can also be used to count the number of reference messages remaining
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in a result chain.
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.SH ERRORS
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If an error occurs in
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.B ldap_first_reference()
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or
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.BR ldap_next_reference() ,
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NULL is returned. If an error occurs in
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.BR ldap_count_references() ,
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-1 is returned.
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.SH SEE ALSO
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.BR ldap (3),
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.BR ldap_result (3),
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.BR ldap_search (3),
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.BR ldap_parse_reference (3)
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.SH ACKNOWLEDGEMENTS
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.\" Shared Project Acknowledgement Text
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.B "OpenLDAP Software"
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is developed and maintained by The OpenLDAP Project <http://www.openldap.org/>.
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.B "OpenLDAP Software"
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is derived from University of Michigan LDAP 3.3 Release.
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