From ac2754e0eb9862081e00e5ae886783db08541944 Mon Sep 17 00:00:00 2001
From: David Härdeman <david@hardeman.nu>
Date: Tue, 16 Jun 2020 00:00:01 +0200
Subject: Add working igmp implementation

---
 utils.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'utils.h')

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)
-- 
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