NAME¶
ares_parse_txt_reply - Parse a reply to a DNS query of type TXT
SYNOPSIS¶
#include <ares.h>
int ares_parse_txt_reply(const unsigned char* abuf, int alen,
struct ares_txt_reply **txt_out);
DESCRIPTION¶
The
ares_parse_txt_reply function parses the response to a query of type
TXT into a linked list (one element per sub-string) of
struct
ares_txt_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
txt_out. It is the
caller's responsibility to free the resulting
txt_out structure when it
is no longer needed using the function
ares_free_data
The structure
ares_txt_reply contains the following fields:
struct ares_txt_reply {
struct ares_txt_reply *next;
unsigned int length;
unsigned char *txt;
};
RETURN VALUES¶
ares_parse_txt_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