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Editing: ldap_value_free.3
.lf 1 stdin .TH LDAP_GET_VALUES 3 "2018/03/22" "OpenLDAP 2.4.46" .\" $OpenLDAP$ .\" Copyright 1998-2018 The OpenLDAP Foundation All Rights Reserved. .\" Copying restrictions apply. See COPYRIGHT/LICENSE. .SH NAME ldap_get_values, ldap_get_values_len, ldap_count_values \- LDAP attribute value handling routines .SH LIBRARY OpenLDAP LDAP (libldap, \-lldap) .SH SYNOPSIS .nf .ft B #include <ldap.h> .LP .ft B char **ldap_get_values(ld, entry, attr) .ft LDAP *ld; LDAPMessage *entry; char *attr; .LP .ft B struct berval **ldap_get_values_len(ld, entry, attr) .ft LDAP *ld; LDAPMessage *entry; char *attr; .LP .ft B int ldap_count_values(vals) .ft char **vals; .LP .ft B int ldap_count_values_len(vals) .ft struct berval **vals; .LP .ft B void ldap_value_free(vals) .ft char **vals; .LP .ft B void ldap_value_free_len(vals) .ft struct berval **vals; .SH DESCRIPTION These routines are used to retrieve and manipulate attribute values from an LDAP entry as returned by .BR ldap_first_entry (3) or .BR ldap_next_entry (3). .B ldap_get_values() takes the \fIentry\fP and the attribute \fIattr\fP whose values are desired and returns a NULL-terminated array of the attribute's values. \fIattr\fP may be an attribute type as returned from .BR ldap_first_attribute (3) or .BR ldap_next_attribute (3), or if the attribute type is known it can simply be given. .LP The number of values in the array can be counted by calling .BR ldap_count_values() . The array of values returned can be freed by calling .BR ldap_value_free() . .LP If the attribute values are binary in nature, and thus not suitable to be returned as an array of char *'s, the .B ldap_get_values_len() routine can be used instead. It takes the same parameters as .BR ldap_get_values() , but returns a NULL-terminated array of pointers to berval structures, each containing the length of and a pointer to a value. .LP The number of values in the array can be counted by calling .BR ldap_count_values_len() . The array of values returned can be freed by calling .BR ldap_value_free_len() . .SH ERRORS If an error occurs in .B ldap_get_values() or .BR ldap_get_values_len() , NULL is returned and the .B ld_errno field in the \fIld\fP parameter is set to indicate the error. See .BR ldap_error (3) for a description of possible error codes. .SH NOTES These routines dynamically allocate memory which the caller must free using the supplied routines. .SH SEE ALSO .BR ldap (3), .BR ldap_first_entry (3), .BR ldap_first_attribute (3), .BR ldap_error (3) .SH ACKNOWLEDGEMENTS .lf 1 ./../Project .\" Shared Project Acknowledgement Text .B "OpenLDAP Software" is developed and maintained by The OpenLDAP Project <http://www.openldap.org/>. .B "OpenLDAP Software" is derived from the University of Michigan LDAP 3.3 Release. .lf 103 stdin
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