1 files changed, 62 insertions, 0 deletions
diff --git a/uint64p.c b/uint64p.c
new file mode 100644
index 0000000..41b8ceb
--- /dev/null
+++ b/uint64p.c
@@ -0,0 +1,62 @@
+#include "uint_t.h"
+ 
+/**
+	@file uint64p.c	
+	@author feh, jannis
+	@source djbdns6
+	@brief packing/unpacking 64 bit integer to/from char string
+*/
+ 
+void uint64_pack(char s[8],uint64 u)
+{
+  s[0] = u & 255; u >>= 8;
+  s[1] = u & 255; u >>= 8;
+  s[2] = u & 255; u >>= 8;
+  s[3] = u & 255; u >>= 8;
+  s[4] = u & 255; u >>= 8;
+  s[5] = u & 255; u >>= 8;
+  s[6] = u & 255; u >>= 8;
+  s[7] = u & 255;
+}
+void uint64_pack_big(char s[8],uint64 u)
+{
+  s[7] = u & 255; u >>= 8;
+  s[6] = u & 255; u >>= 8;
+  s[5] = u & 255; u >>= 8;
+  s[4] = u & 255; u >>= 8;
+  s[3] = u & 255; u >>= 8;
+  s[2] = u & 255; u >>= 8;
+  s[1] = u & 255; u >>= 8;
+  s[0] = u & 255; 
+}
+
+void uint64_unpack(char s[8],uint64 *u)
+{
+  uint64 result;
+
+  result =  (unsigned char) s[7]; result <<= 8;
+  result += (unsigned char) s[6]; result <<= 8;
+  result += (unsigned char) s[5]; result <<= 8;
+  result += (unsigned char) s[4]; result <<= 8;
+  result += (unsigned char) s[3]; result <<= 8;
+  result += (unsigned char) s[2]; result <<= 8;
+  result += (unsigned char) s[1]; result <<= 8;
+  result += (unsigned char) s[0];
+
+  *u = result;
+}
+void uint64_unpack_big(char s[8],uint64 *u)
+{
+  uint64 result;
+
+  result =  (unsigned char) s[0]; result <<= 8;
+  result += (unsigned char) s[1]; result <<= 8;
+  result += (unsigned char) s[2]; result <<= 8;
+  result += (unsigned char) s[3]; result <<= 8;
+  result += (unsigned char) s[4]; result <<= 8;
+  result += (unsigned char) s[5]; result <<= 8;
+  result += (unsigned char) s[6]; result <<= 8;
+  result += (unsigned char) s[7];
+
+  *u = result;
+}