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ldap_count_values ()
  • >> ldap_count_values (3) ( Разные man: Библиотечные вызовы )
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    NAME

    ldap_get_values, ldap_get_values_len, ldap_count_values - LDAP attribute value handling routines
     
    

    LIBRARY

    OpenLDAP LDAP (libldap, -lldap)
     
    

    SYNOPSIS

    #include <ldap.h>
    
    
    char **ldap_get_values(ld, entry, attr)
    LDAP *ld;
    LDAPMessage *entry;
    char *attr
    
    struct berval **ldap_get_values_len(ld, entry, attr)
    LDAP *ld;
    LDAPMessage *entry;
    char *attr
    
    ldap_count_values(vals)
    char **vals;
    
    ldap_count_values_len(vals)
    struct berval **vals;
    
    ldap_value_free(vals)
    char **vals;
    
    ldap_value_free_len(vals)
    struct berval **vals;
    
     

    DESCRIPTION

    These routines are used to retrieve and manipulate attribute values from an LDAP entry as returned by ldap_first_entry(3) or ldap_next_entry(3). ldap_get_values() takes the entry and the attribute attr whose values are desired and returns a NULL-terminated array of the attribute's values. attr may be an attribute type as returned from ldap_first_attribute(3) or ldap_next_attribute(3), or if the attribute type is known it can simply be given.

    The number of values in the array can be counted by calling ldap_count_values(). The array of values returned can be freed by calling ldap_value_free().

    If the attribute values are binary in nature, and thus not suitable to be returned as an array of char *'s, the ldap_get_values_len() routine can be used instead. It takes the same parameters as 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.

    The number of values in the array can be counted by calling ldap_count_values_len(). The array of values returned can be freed by calling ldap_value_free_len().  

    ERRORS

    If an error occurs in ldap_get_values() or ldap_get_values_len(), NULL is returned and the ld_errno field in the ld parameter is set to indicate the error. See ldap_error(3) for a description of possible error codes.  

    NOTES

    These routines dynamically allocate memory which the caller must free using the supplied routines.  

    SEE ALSO

    ldap(3), ldap_first_entry(3), ldap_first_attribute(3), ldap_error(3)  

    ACKNOWLEDGEMENTS

    OpenLDAP is developed and maintained by The OpenLDAP Project (http://www.openldap.org/). OpenLDAP is derived from University of Michigan LDAP 3.3 Release.


     

    Index

    NAME
    LIBRARY
    SYNOPSIS
    DESCRIPTION
    ERRORS
    NOTES
    SEE ALSO
    ACKNOWLEDGEMENTS


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