ldns - Online Linux Manual PageSection : 3
Updated : 30 May 2006

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NAMEldns_dname_compare, ldns_dname_interval − compare two dnames

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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);

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DESCRIPTIONldns_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 middle is in the interval, +1 when not

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AUTHORThe ldns team at NLnet Labs.

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

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COPYRIGHTCopyright (c) 2004 - 2006 NLnet Labs. Licensed under the BSD License. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

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

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REMARKSThis manpage was automatically generated from the ldns source code. 0

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Johanes Gumabo

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