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| author | Lennart Poettering <lennart@poettering.net> | 2014-07-16 18:04:14 +0200 |
|---|---|---|
| committer | Lennart Poettering <lennart@poettering.net> | 2014-07-16 18:04:14 +0200 |
| commit | c73ce96b569e2f10dff64b7dc0bd271972674c2a (patch) | |
| tree | 2b1f464ae35e99a5954fccea5efb25512c0c53c4 /src/resolve/resolved-dns-packet.h | |
| parent | 3cb10d3a0b1b6a7c44f307f2abb5215104e16941 (diff) | |
dns-packet: allow dynamic resizing of DNS packets
Diffstat (limited to 'src/resolve/resolved-dns-packet.h')
| -rw-r--r-- | src/resolve/resolved-dns-packet.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/resolve/resolved-dns-packet.h b/src/resolve/resolved-dns-packet.h index 77edc05a19..10f8f96915 100644 --- a/src/resolve/resolved-dns-packet.h +++ b/src/resolve/resolved-dns-packet.h @@ -41,14 +41,19 @@ struct DnsPacketHeader { }; #define DNS_PACKET_HEADER_SIZE sizeof(DnsPacketHeader) + +/* The various DNS protocols deviate in how large a packet can grow, + but the TCP transport has a 16bit size field, hence that appears to + be the maximum. */ +#define DNS_PACKET_SIZE_MAX 0xFFFF #define DNS_PACKET_SIZE_START 512 struct DnsPacket { int n_ref; + int ifindex; size_t size, allocated, rindex; Hashmap *names; /* For name compression */ void *data; - int ifindex; }; static inline uint8_t* DNS_PACKET_DATA(DnsPacket *p) { |