[dfs] add IN6_IS_ADDR_MULTICAST support

in components/dfs/filesystems/net/netinet/in.h, add IN6_IS_ADDR_MULTICAST support
2018-01-17 15:49:04 +08:00 · 2018-01-17 15:49:04 +08:00 · 938fa1170d
parent 3ceadbe7ee
commit 938fa1170d
1 changed files with 4 additions and 0 deletions
--- a/components/dfs/filesystems/net/netinet/in.h
+++ b/components/dfs/filesystems/net/netinet/in.h
@ -27,4 +27,8 @@

 #include <lwip/sockets.h>

+#ifndef IN6_IS_ADDR_MULTICAST
+#define IN6_IS_ADDR_MULTICAST(a) (((uint8_t *) (a))[0] == 0xff)
+#endif
+
 #endif