2 * edns-subnet/edns-subnet.h - Subnet option related constants
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37 * Subnet option related constants.
40 #include "util/net_help.h"
42 #ifndef EDNSSUBNET_EDNSSUBNET_H
43 #define EDNSSUBNET_EDNSSUBNET_H
45 /** In use by the edns subnet option code, as assigned by IANA */
46 #define EDNSSUBNET_ADDRFAM_IP4 1
47 #define EDNSSUBNET_ADDRFAM_IP6 2
53 uint16_t subnet_addr_fam;
54 uint8_t subnet_source_mask;
55 uint8_t subnet_scope_mask;
56 uint8_t subnet_addr[INET6_SIZE];
61 * copy the first n BITS from src to dst iff both src and dst
62 * are large enough, return 0 on succes
65 copy_clear(uint8_t* dst, size_t dstlen, uint8_t* src, size_t srclen, size_t n);
67 #endif /* EDNSSUBNET_EDNSSUBNET_H */