From: Pavel Tvrdík <pawel.tvrdik@gmail.com>
Date: Fri, 13 Nov 2015 15:10:33 +0000 (+0100)
Subject: Add get_u64() and put_u64() into lib/unaligned.h
X-Git-Tag: v1.6.0~27^2~3^2~3
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=75ff08022ea58fe3efa96639f080ce375e997675;p=thirdparty%2Fbird.git

Add get_u64() and put_u64() into lib/unaligned.h
---

diff --git a/lib/unaligned.h b/lib/unaligned.h
index af6552046..a2dbae4f7 100644
--- a/lib/unaligned.h
+++ b/lib/unaligned.h
@@ -35,6 +35,15 @@ get_u32(void *p)
   return ntohl(x);
 }
 
+static inline u64
+get_u64(const void *p)
+{
+  u32 xh, xl;
+  memcpy(&xh, p, 4);
+  memcpy(&xl, p+4, 4);
+  return (((u64) ntohl(xh)) << 32) | ntohl(xl);
+}
+
 static inline void
 put_u16(void *p, u16 x)
 {
@@ -49,4 +58,14 @@ put_u32(void *p, u32 x)
   memcpy(p, &x, 4);
 }
 
+static inline void
+put_u64(void *p, u64 x)
+{
+  u32 xh, xl;
+  xh = htonl(x >> 32);
+  xl = htonl((u32) x);
+  memcpy(p, &xh, 4);
+  memcpy(p+4, &xl, 4);
+}
+
 #endif