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BerElement argument per latest IETF ldapext draft c api spec. That is, caller is solely responsible for freeing the BerElement allocated and returned by ldap_first_attribute. Update man pages accordingly. Update applications accordingly.
78 lines
2.1 KiB
Groff
78 lines
2.1 KiB
Groff
.TH LDAP_FIRST_ATTRIBUTE 3 "22 September 1998" "OpenLDAP LDVERSION"
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.SH NAME
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ldap_first_attribute, ldap_next_attribute \- step through LDAP entry attributes
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.SH SYNOPSIS
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.nf
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.ft B
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#include <lber.h>
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#include <ldap.h>
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.LP
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.ft B
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char *ldap_first_attribute(ld, entry, berptr)
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.ft
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LDAP *ld;
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LDAPMessage *entry;
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BerElement **berptr;
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.LP
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.ft B
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char *ldap_next_attribute(ld, entry, ber)
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.ft
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LDAP *ld;
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LDAPMessage *entry;
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BerElement *ber;
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.SH DESCRIPTION
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The
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.B ldap_first_attribute()
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and
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.B ldap_next_attribute()
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routines are used
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to step through the attributes in an LDAP entry.
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.B ldap_first_attribute()
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takes an \fIentry\fP as returned by
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.BR ldap_first_entry (3)
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or
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.BR ldap_next_entry (3)
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and returns a pointer to a per-connection buffer
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containing the first attribute type in the entry. The return value
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should be treated as if it is a pointer to a static area (i.e.,
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.BR strdup (3)
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it if you want to save it).
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.LP
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It also returns, in \fIberptr\fP, a pointer to a BerElement it has
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allocated to keep track of its current position. This pointer should
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be passed to subsequent calls to
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.B ldap_next_attribute()
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and is used used
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to effectively step through the entry's attributes. The caller is
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solely responsible for freeing the BerElement pointed to by \fIberptr\fP
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when it is no longer needed by calling
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.BR ber_free (3).
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When calling
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.BR ber_free (3)
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in this instance, be sure the second argument is 0.
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.LP
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The attribute names returned are suitable for inclusion in a call
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to
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.BR ldap_get_values (3)
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to retrieve the attribute's values.
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.SH ERRORS
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If an error occurs, NULL is returned and the ld_errno field in the
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\fIld\fP parameter is set to indicate the error. See
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.BR ldap_error (3)
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for a description of possible error codes.
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.SH NOTES
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The
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.B ldap_first_attribute()
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routine dyanamically allocated memory that must be freed by the caller via
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.BR ber_free (3).
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.SH SEE ALSO
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.BR ldap(3),
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.BR ldap_first_entry(3),
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.BR ldap_get_values(3),
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.BR ldap_error(3)
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.SH ACKNOWLEDGEMENTS
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.B OpenLDAP
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is developed and maintained by The OpenLDAP Project (http://www.openldap.org/).
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.B OpenLDAP
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is derived from University of Michigan LDAP 3.3 Release.
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