From 3b901e5b2b144f5dc94910cda34477575f498f24 Mon Sep 17 00:00:00 2001 From: Kenneth Myhra Date: Mon, 20 Sep 2021 08:10:14 +0200 Subject: [PATCH] LibC: Spec compliant IN6_IS_ADDR_V4MAPPED An IPv4 mapped IPv6 address consist of 80 "0" bits, followed by 16 "1" bits, followed by the 32-bit IPv4 address. Example of IPv4 mapped IPv6 address: IPv4 address: 169.219.13.133 IPv6 address: 0000:0000:0000:0000:FFFF:A9DB:0D85 Simplified : ::FFFF:A9DB:0D85 --- Userland/Libraries/LibC/netinet/in.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Userland/Libraries/LibC/netinet/in.h b/Userland/Libraries/LibC/netinet/in.h index 25e58de240..9603cdf46e 100644 --- a/Userland/Libraries/LibC/netinet/in.h +++ b/Userland/Libraries/LibC/netinet/in.h @@ -45,6 +45,6 @@ static inline uint32_t ntohl(uint32_t value) (addr->s6_addr[0] == 0 && addr->s6_addr[1] == 0 && addr->s6_addr[2] == 0 && addr->s6_addr[3] == 0 && addr->s6_addr[4] == 0 && addr->s6_addr[5] == 0 && addr->s6_addr[6] == 0 && addr->s6_addr[7] == 0 && addr->s6_addr[8] == 0 && addr->s6_addr[9] == 0 && addr->s6_addr[10] == 0 && addr->s6_addr[11] == 0 && addr->s6_addr[12] == 0 && addr->s6_addr[13] == 0 && addr->s6_addr[14] == 0 && addr->s6_addr[15] == 1) #define IN6_IS_ADDR_V4MAPPED(addr) \ - ((((addr)->s6_addr[0]) == 0) && (((addr)->s6_addr[1]) == 0) && (((addr)->s6_addr[2]) == 0) && (((addr)->s6_addr[3]) == 0) && (((addr)->s6_addr[4]) == 0) && (((addr)->s6_addr[5]) == 0xFFFF)) + ((((addr)->s6_addr[0]) == 0) && (((addr)->s6_addr[1]) == 0) && (((addr)->s6_addr[2]) == 0) && (((addr)->s6_addr[3]) == 0) && (((addr)->s6_addr[4]) == 0) && (((addr)->s6_addr[5]) == 0) && (((addr)->s6_addr[6]) == 0) && (((addr)->s6_addr[7]) == 0) && (((addr)->s6_addr[8]) == 0) && (((addr)->s6_addr[9]) == 0) && (((addr)->s6_addr[10]) == 0xFF) && (((addr)->s6_addr[11]) == 0xFF)) __END_DECLS