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LDAP_COMPARE(3)            Library Functions Manual            LDAP_COMPARE(3)



NAME
       ldap_compare, ldap_compare_s, ldap_compare_ext, ldap_compare_ext_s -
       Perform an LDAP compare operation.

LIBRARY
       OpenLDAP LDAP (libldap, -lldap)

SYNOPSIS
       #include <&lt;ldap.h>&gt;

       int ldap_compare_ext(
              LDAP *ld,
              char *dn,
              char *attr,
              const struct berval *bvalue,
              LDAPControl **serverctrls,
              LDAPControl **clientctrls,
              int *msgidp );

       int ldap_compare_ext_s(
              LDAP *ld,
              char *dn,
              char *attr,
              const struct berval *bvalue,
              LDAPControl **serverctrls,
              LDAPControl **clientctrls );

DESCRIPTION
       The ldap_compare_ext_s() routine is used to perform an LDAP compare
       operation synchronously.  It takes dn, the DN of the entry upon which
       to perform the compare, and attr and value, the attribute description
       and value to compare to those found in the entry.  It returns a code,
       which will be LDAP_COMPARE_TRUE if the entry contains the attribute
       value and LDAP_COMPARE_FALSE if it does not.  Otherwise, an error code
       is returned that indicates the nature of the problem.  See ldap(3) for
       details.

       The ldap_compare_ext() routine is used to perform an LDAP compare
       operation asynchronously.  It takes the same parameters as
       ldap_compare_ext_s(), but provides the message id of the request it
       initiated in the integer pointed to msgidp.  The result of the compare
       can be obtained by a subsequent call to ldap_result(3).

       Both routines allow server and client controls to be specified to
       extend the compare request.

DEPRECATED INTERFACES
       The routines ldap_compare() and ldap_compare_s() are deprecated in
       favor of ldap_compare_ext() and ldap_compare_ext_s(), respectively.

       Deprecated interfaces generally remain in the library.  The macro
       LDAP_DEPRECATED can be defined to a non-zero value (e.g.,
       -DLDAP_DEPRECATED=1) when compiling program designed to use deprecated
       interfaces.  It is recommended that developers writing new programs, or
       updating old programs, avoid use of deprecated interfaces.  Over time,
       it is expected that documentation (and, eventually, support) for
       deprecated interfaces to be eliminated.

SEE ALSO
       ldap(3), ldap_error(3)

ACKNOWLEDGEMENTS
       OpenLDAP Software is developed and maintained by The OpenLDAP Project
       <http://www.openldap.org/>;.  OpenLDAP Software is derived from
       University of Michigan LDAP 3.3 Release.



OpenLDAP 2.4.23                   2010/06/30                   LDAP_COMPARE(3)