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optimize brackets and macro

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[anp/hsw] 2024-08-16 11:10:40 +07:00 committed by bol-van
parent 5553a7da45
commit c5aa5d008f
1 changed files with 7 additions and 5 deletions
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12
tpws/helpers.c
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@ -166,11 +166,13 @@ bool saconvmapped(struct sockaddr_storage *a)
bool is_localnet(const struct sockaddr *a) bool is_localnet(const struct sockaddr *a)
{ {
// 0.0.0.0, ::ffff:0.0.0.0 = localhost in linux // match 127.0.0.0/8, 0.0.0.0, ::1, ::0, :ffff:127.0.0.0/104, :ffff:0.0.0.0
return a->sa_family==AF_INET && (*(char*)&((struct sockaddr_in *)a)->sin_addr.s_addr==127 || !((struct sockaddr_in *)a)->sin_addr.s_addr) || return (a->sa_family==AF_INET && (IN_LOOPBACK(((struct sockaddr_in *)a)->sin_addr.s_addr) ||
a->sa_family==AF_INET6 && ( INADDR_ANY == (((struct sockaddr_in *)a)->sin_addr.s_addr))) ||
saismapped((struct sockaddr_in6 *)a) && (((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[12]==127 || !*(uint32_t*)(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr+12)) || (a->sa_family==AF_INET6 && (IN6_IS_ADDR_LOOPBACK(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr) ||
!memcmp(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr,"\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00",15) && !(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr[15] & 0xFE)); IN6_IS_ADDR_UNSPECIFIED(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr) ||
(IN6_IS_ADDR_V4MAPPED(((struct sockaddr_in6 *)a)->sin6_addr.s6_addr) && (IN_LOOPBACK(IN6_EXTRACT_MAP4(((struct sockaddr_in6*)a)->sin6_addr.s6_addr)) ||
INADDR_ANY == IN6_EXTRACT_MAP4(((struct sockaddr_in6*)a)->sin6_addr.s6_addr)))));
} }
bool is_linklocal(const struct sockaddr_in6 *a) bool is_linklocal(const struct sockaddr_in6 *a)
{ {