Add working igmp implementation

1 files changed, 12 insertions, 0 deletions

diff --git a/utils.h b/utils.h
index 8317e22..48faef4 100644
--- a/utils.h
+++ b/utils.h
@@ -77,6 +77,18 @@ static inline bool empty_str(const char *str)
 		return false;
 }
 
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define chtobe32(x) __bswap_constant_32(x)
+#else
+#define chtobe32(x) (x)
+#endif
+
+#if __BYTE_ORDER == __LITTLE_ENDIAN
+#define cinet_addr(a,b,c,d) ((uint32_t)((a)<<0|(b)<<8|(c)<<16|(d)<<24))
+#else
+#define cinet_addr(a,b,c,d) ((uint32_t)((a)<<24|(b)<<16|(c)<<8|(d)<<0))
+#endif
+
 #define LIST_HEAD_INIT(name) { &(name), &(name) }
 
 #define LIST_HEAD(name) struct list_head name = LIST_HEAD_INIT(name)