ares_parse_srv_reply man page

ares_parse_srv_reply — Parse a reply to a DNS query of type SRV

Synopsis

#include <ares.h>

int ares_parse_srv_reply(const unsigned char* abuf, int alen,
struct ares_srv_reply** srv_out);

Description

The ares_parse_srv_reply function parses the response to a query of type SRV into a linked list of struct ares_srv_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 srv_out. It is the caller's responsibility to free the resulting srv_out structure when it is no longer needed using the function ares_free_data

The structure ares_srv_reply contains the following fields:

struct ares_srv_reply {
    struct ares_srv_reply  *next;
    unsigned short weight;
    unsigned short priority;
    unsigned short port;
    char *host;
};

Return Values

ares_parse_srv_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 1.7.0.

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

Referenced By

ares_free_data(3).

4 August 2009