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DNS: Add documentation for get_dns_name()

This commit is contained in:
João Valverde 2022-10-19 16:13:50 +01:00
parent 64bd646b2f
commit 815415cda7
1 changed files with 11 additions and 2 deletions
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13
epan/dissectors/packet-dns.h
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@ -15,8 +15,17 @@
extern const value_string dns_classes[];
/* Just like expand_dns_name, but pretty-prints empty names. */
int get_dns_name(tvbuff_t *, int, int, int, const gchar **, gint*);
/*
* Expands DNS name from TVB into a byte string.
*
* Returns int: byte size of DNS data.
* Returns char *name: a dot (.) separated raw string of DNS domain name labels.
* This string is null terminated. Labels are copied directly from raw packet
* data without any validation for a string encoding. This is the callers responsibility.
* Return int name_len: byte length of "name".
*/
int get_dns_name(tvbuff_t *tvb, int offset, int max_len, int dns_data_offset,
const gchar **name, gint* name_len);
#define MAX_DNAME_LEN 255 /* maximum domain name length */