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netinet/in.h: add macro definitions to resolve compilation errors

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solve the compiling problem of the third-party library,
add IN6_IS_ADDR_MC_LINKLOCAL and IN6_IS_ADDR_SITELOCAL definitions.

Signed-off-by: zhanghongyu <zhanghongyu@xiaomi.com>
This commit is contained in:
zhanghongyu 2024-08-07 21:05:15 +08:00 committed by Xiang Xiao
parent e21885b84a
commit 986ddc83ce
1 changed files with 6 additions and 0 deletions
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6
include/netinet/in.h
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@ -225,6 +225,12 @@
(a)->s6_addr32[1] == 0 && \
(a)->s6_addr32[2] == HTONL(0xffff))
#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
(IN6_IS_ADDR_MULTICAST(a) && ((a)->s6_addr[1] & 0xf) == 0x2)
#define IN6_IS_ADDR_SITELOCAL(a) \
(((a)->s6_addr16[0] & HTONS(0xffc0)) == HTONS(0xfec0))
/* This macro to convert a 16/32-bit constant values quantity from host byte
* order to network byte order. The 16-bit version of this macro is required
* for uIP: