| yuezonghe | 824eb0c | 2024-06-27 02:32:26 -0700 | [diff] [blame] | 1 | .\" |
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| 16 | .TH ARES_PARSE_SOA_REPLY 3 "29 May 2012" |
| 17 | .SH NAME |
| 18 | ares_parse_soa_reply \- Parse a reply to a DNS query of type SOA |
| 19 | .SH SYNOPSIS |
| 20 | .nf |
| 21 | .B #include <ares.h> |
| 22 | .PP |
| 23 | .B int ares_parse_soa_reply(const unsigned char* \fIabuf\fP, int \fIalen\fP, |
| 24 | .B struct ares_soa_reply** \fIsoa_out\fP); |
| 25 | .fi |
| 26 | .SH DESCRIPTION |
| 27 | The |
| 28 | .B ares_parse_soa_reply |
| 29 | function parses the response to a query of type SOA into a |
| 30 | .IR struct\ ares_soa_reply . |
| 31 | The parameters |
| 32 | .I abuf |
| 33 | and |
| 34 | .I alen |
| 35 | give the contents of the response. The result is stored in allocated |
| 36 | memory and a pointer to it stored into the variable pointed to by |
| 37 | .IR soa_out . |
| 38 | It is the caller's responsibility to free the resulting |
| 39 | .IR soa_out |
| 40 | structure when it is no longer needed using the function |
| 41 | .B ares_free_data |
| 42 | .PP |
| 43 | The structure |
| 44 | .I ares_soa_reply |
| 45 | contains the following fields: |
| 46 | .sp |
| 47 | .in +4n |
| 48 | .nf |
| 49 | struct ares_soa_reply { |
| 50 | char *nsname; |
| 51 | char *hostmaster; |
| 52 | unsigned int serial; |
| 53 | unsigned int refresh; |
| 54 | unsigned int retry; |
| 55 | unsigned int expire; |
| 56 | unsigned int minttl; |
| 57 | }; |
| 58 | .fi |
| 59 | .in |
| 60 | .PP |
| 61 | .SH RETURN VALUES |
| 62 | .B ares_parse_soa_reply |
| 63 | can return any of the following values: |
| 64 | .TP 15 |
| 65 | .B ARES_SUCCESS |
| 66 | The response was successfully parsed. |
| 67 | .TP 15 |
| 68 | .B ARES_EBADRESP |
| 69 | The response was malformatted. |
| 70 | .TP 15 |
| 71 | .B ARES_ENODATA |
| 72 | The response did not contain an answer to the query. |
| 73 | .TP 15 |
| 74 | .B ARES_ENOMEM |
| 75 | Memory was exhausted. |
| 76 | .SH AVAILABILITY |
| 77 | This function was first introduced in c-ares version 1.9.0. |
| 78 | .SH SEE ALSO |
| 79 | .BR ares_query (3) |
| 80 | .BR ares_free_data (3) |