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clean up EDNS situation and astoundingly weird endianness bug

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bert hubert
2018-04-13 15:23:00 +02:00
parent d9b33de683
commit 0398d80a87
5 changed files with 76 additions and 66 deletions
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4
tdns/dns.hh
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@ -1,7 +1,7 @@
#pragma once
struct dnsheader {
unsigned id :16; /* query identification number */
#if BYTE_ORDER == BIG_ENDIAN
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
/* fields in third byte */
unsigned qr: 1; /* response flag */
unsigned opcode: 4; /* purpose of message */
@ -14,7 +14,7 @@ struct dnsheader {
unsigned ad: 1; /* authentic data from named */
unsigned cd: 1; /* checking disabled by resolver */
unsigned rcode :4; /* response code */
#elif BYTE_ORDER == LITTLE_ENDIAN || BYTE_ORDER == PDP_ENDIAN
#elif __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
/* fields in third byte */
unsigned rd :1; /* recursion desired */
unsigned tc :1; /* truncated message */