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Edit File : ldap_value_free.3 \| Size : 2.73 KB
.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 Back

Edit File : ldap_value_free.3 | Size : 2.73 KB

.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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