ldns(3)                    Library Functions Manual                    ldns(3)



NAME
       ldns_dname_compare, ldns_dname_interval - compare two dnames


SYNOPSIS
       #include <stdint.h>
       #include <stdbool.h>

       #include <ldns/ldns.h>

       int ldns_dname_compare(const ldns_rdf *dname1, const ldns_rdf *dname2);

       int ldns_dname_interval(const ldns_rdf *prev, const ldns_rdf *middle,
       const ldns_rdf *next);

DESCRIPTION
       ldns_dname_compare() Compares the two dname rdf's according to the
              algorithm for ordering in RFC4034 Section 6.
              dname1: First dname rdf to compare
              dname2: Second dname rdf to compare
              Returns -1 if dname1 comes before dname2, 1 if dname1 comes
              after dname2, and 0 if they are equal.

       ldns_dname_interval() check if middle lays in the interval defined by
              prev and next prev <= middle < next. This is useful for nsec
              checking
              prev: the previous dname
              middle: the dname to check
              next: the next dname return 0 on error or unknown, -1 when mid-
              dle is in the interval, +1 when not

AUTHOR
       The ldns team at NLnet Labs.


REPORTING BUGS
       Please report bugs to ldns-team@nlnetlabs.nl or in our bugzilla at
       http://www.nlnetlabs.nl/bugs/index.html


COPYRIGHT
       Copyright (c) 2004 - 2006 NLnet Labs.

       Licensed under the BSD License. There is NO warranty; not even for MER-
       CHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.


SEE ALSO
       ldns_dname_is_subdomain.  And perldoc Net::DNS, RFC1034, RFC1035,
       RFC4033, RFC4034  and RFC4035.

REMARKS
       This manpage was automatically generated from the ldns source code.



                                  30 May 2006                          ldns(3)
