From 3d3304332a1dcbc88ec0ae2332ea80490a84ed91 Mon Sep 17 00:00:00 2001 From: Tim Schumacher Date: Fri, 5 Nov 2021 23:50:11 +0100 Subject: [PATCH] LibC: Correctly evaluate addr in IN6_IS_ADDR_LOOPBACK Without putting the argument in parentheses we might not evaluate it correctly. --- 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 9603cdf46e..9f340719ed 100644 --- a/Userland/Libraries/LibC/netinet/in.h +++ b/Userland/Libraries/LibC/netinet/in.h @@ -42,7 +42,7 @@ static inline uint32_t ntohl(uint32_t value) } #define IN6_IS_ADDR_LOOPBACK(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] == 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) + ((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]) == 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))