Code drop from //branches/cupcake/...@124589
diff --git a/libc/include/netinet/in.h b/libc/include/netinet/in.h
index 8bffbef..77ae506 100644
--- a/libc/include/netinet/in.h
+++ b/libc/include/netinet/in.h
@@ -31,6 +31,7 @@
#include <endian.h>
#include <linux/socket.h>
#include <linux/in.h>
+#include <linux/in6.h>
__BEGIN_DECLS
diff --git a/libc/include/netinet/in6.h b/libc/include/netinet/in6.h
index 330e718..e645c48 100644
--- a/libc/include/netinet/in6.h
+++ b/libc/include/netinet/in6.h
@@ -36,6 +36,12 @@
(*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
(*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == 0))
+#define IN6_IS_ADDR_LOOPBACK(a) \
+ ((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[8]) == 0) && \
+ (*(const uint32_t *)(const void *)(&(a)->s6_addr[12]) == ntohl(1)))
+
#define IN6_IS_ADDR_V4COMPAT(a) \
((*(const uint32_t *)(const void *)(&(a)->s6_addr[0]) == 0) && \
(*(const uint32_t *)(const void *)(&(a)->s6_addr[4]) == 0) && \
@@ -54,10 +60,34 @@
#define IN6_IS_ADDR_SITELOCAL(a) \
(((a)->s6_addr[0] == 0xfe) && (((a)->s6_addr[1] & 0xc0) == 0xc0))
-#define IN6_IS_ADDR_MULTICAST(a) \
- (((__const uint8_t *) (a))[0] == 0xff)
+#define IN6_IS_ADDR_MULTICAST(a) \
+ (((__const uint8_t *) (a))[0] == 0xff)
+
+
+#define IPV6_ADDR_SCOPE_NODELOCAL 0x01
+#define IPV6_ADDR_SCOPE_INTFACELOCAL 0x01
+#define IPV6_ADDR_SCOPE_LINKLOCAL 0x02
+#define IPV6_ADDR_SCOPE_SITELOCAL 0x05
+#define IPV6_ADDR_SCOPE_ORGLOCAL 0x08
+#define IPV6_ADDR_SCOPE_GLOBAL 0x0e
+
+#define IPV6_ADDR_MC_SCOPE(a) \
+ ((a)->s6_addr[1] & 0x0f)
+
+#define IN6_IS_ADDR_MC_LINKLOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && \
+ (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_LINKLOCAL))
+#define IN6_IS_ADDR_MC_SITELOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && \
+ (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_SITELOCAL))
+#define IN6_IS_ADDR_MC_ORGLOCAL(a) \
+ (IN6_IS_ADDR_MULTICAST(a) && \
+ (IPV6_ADDR_MC_SCOPE(a) == IPV6_ADDR_SCOPE_ORGLOCAL))
+
#define IN6_ARE_ADDR_EQUAL(a, b) \
(memcmp(&(a)->s6_addr[0], &(b)->s6_addr[0], sizeof(struct in6_addr)) == 0)
+#define INET6_ADDRSTRLEN 46
+
#endif /* _NETINET_IN6_H */