NAME¶
ares_parse_naptr_reply - Parse a reply to a DNS query of type NAPTR
SYNOPSIS¶
#include <ares.h>
int ares_parse_naptr_reply(const unsigned char* abuf, int alen,
struct ares_naptr_reply** naptr_out);
DESCRIPTION¶
The
ares_parse_naptr_reply function parses the response to a query of
type NAPTR into a linked list of
struct ares_naptr_reply The parameters
abuf and
alen give the contents of the response. The result is
stored in allocated memory and a pointer to it stored into the variable
pointed to by
naptr_out. It is the caller's responsibility to free the
resulting
naptr_out structure when it is no longer needed using the
function
ares_free_data
The structure
ares_naptr_reply contains the following fields:
struct ares_naptr_reply {
struct ares_naptr_reply *next;
unsigned char *flags;
unsigned char *service;
unsigned char *regexp;
char *replacement;
unsigned short order;
unsigned short preference;
};
RETURN VALUES¶
ares_parse_naptr_reply can return any of the following values:
- ARES_SUCCESS
- The response was successfully parsed.
- ARES_EBADRESP
- The response was malformatted.
- ARES_ENODATA
- The response did not contain an answer to the query.
- ARES_ENOMEM
- Memory was exhausted.
AVAILABILITY¶
This function was first introduced in c-ares version 1.7.6.
SEE ALSO¶
ares_query(3) ares_free_data(3)
AUTHOR¶
Written by Jakub Hrozek <jhrozek@redhat.com>, on behalf of Red Hat, Inc
http://www.redhat.com