In 2292bis the version 0 routing header is specified in section 2.1.2
as
/* Type 0 Routing header */
struct ip6_rthdr0 {
uint8_t ip6r0_nxt; /* next header */
uint8_t ip6r0_len; /* length in units of 8 octets */
uint8_t ip6r0_type; /* always zero */
uint8_t ip6r0_segleft; /* segments left */
uint32_t ip6r0_reserved; /* reserved field */
/* followed by up to 127 struct in6_addr */
};
It would be easier to use if a c99 flexible array member was the last
element:
/* Type 0 Routing header */
struct ip6_rthdr0 {
uint8_t ip6r0_nxt; /* next header */
uint8_t ip6r0_len; /* length in units of 8 octets */
uint8_t ip6r0_type; /* always zero */
uint8_t ip6r0_segleft; /* segments left */
uint32_t ip6r0_reserved; /* reserved field */
#if __STDC_VERSION__ >= 199901L
struct in6_addr ip6r0_addr[0]; /* up to 127 addresses */
#endif
};
mph
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