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Net: Replace runtime checks with STATIC_ASSERT()
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64819e8618
commit
c6d16e2ccc
32
lib/net.c
32
lib/net.c
@ -57,6 +57,19 @@ const u16 net_max_text_length[] = {
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[NET_MPLS] = 7, /* "1048575" */
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};
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/* There should be no implicit padding in net_addr structures */
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STATIC_ASSERT(sizeof(net_addr) == 24);
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STATIC_ASSERT(sizeof(net_addr_ip4) == 8);
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STATIC_ASSERT(sizeof(net_addr_ip6) == 20);
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STATIC_ASSERT(sizeof(net_addr_vpn4) == 16);
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STATIC_ASSERT(sizeof(net_addr_vpn6) == 32);
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STATIC_ASSERT(sizeof(net_addr_roa4) == 16);
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STATIC_ASSERT(sizeof(net_addr_roa6) == 28);
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STATIC_ASSERT(sizeof(net_addr_flow4) == 8);
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STATIC_ASSERT(sizeof(net_addr_flow6) == 20);
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STATIC_ASSERT(sizeof(net_addr_ip6_sadr) == 40);
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STATIC_ASSERT(sizeof(net_addr_mpls) == 8);
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int
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rd_format(const u64 rd, char *buf, int buflen)
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@ -310,22 +323,3 @@ net_in_netX(const net_addr *a, const net_addr *n)
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return (net_pxlen(n) <= net_pxlen(a)) && ipa_in_netX(net_prefix(a), n);
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}
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#define CHECK_NET(T,S) \
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({ if (sizeof(T) != S) die("sizeof %s is %d/%d", #T, (int) sizeof(T), S); })
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void
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net_init(void)
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{
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CHECK_NET(net_addr, 24);
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CHECK_NET(net_addr_ip4, 8);
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CHECK_NET(net_addr_ip6, 20);
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CHECK_NET(net_addr_vpn4, 16);
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CHECK_NET(net_addr_vpn6, 32);
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CHECK_NET(net_addr_roa4, 16);
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CHECK_NET(net_addr_roa6, 28);
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CHECK_NET(net_addr_flow4, 8);
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CHECK_NET(net_addr_flow6, 20);
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CHECK_NET(net_addr_ip6_sadr, 40);
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CHECK_NET(net_addr_mpls, 8);
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}
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@ -620,6 +620,4 @@ static inline int net_in_net_src_ip6_sadr(const net_addr_ip6_sadr *a, const net_
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int ipa_in_netX(const ip_addr A, const net_addr *N);
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int net_in_netX(const net_addr *A, const net_addr *N);
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void net_init(void);
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#endif
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@ -889,7 +889,6 @@ main(int argc, char **argv)
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log_switch(1, NULL, NULL);
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random_init();
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net_init();
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resource_init();
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timer_init();
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olock_init();
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