From 63fe94ffe6b1aada6bde1d2d53783ca17227e8f6 Mon Sep 17 00:00:00 2001
From: Sebastian Messmer <mail@smessmer.de>
Date: Sun, 4 Oct 2015 17:14:32 +0200
Subject: [PATCH] Add FixedSizeData::Null()

---
 data/FixedSizeData.h | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/data/FixedSizeData.h b/data/FixedSizeData.h
index 028a5e9e..4fbbced3 100644
--- a/data/FixedSizeData.h
+++ b/data/FixedSizeData.h
@@ -21,6 +21,8 @@ public:
 
   static FixedSizeData<SIZE> CreatePseudoRandom();
   static FixedSizeData<SIZE> CreateOSRandom();
+  //TODO Test Null()
+  static FixedSizeData<SIZE> Null();
 
   static FixedSizeData<SIZE> FromString(const std::string &data);
   std::string ToString() const;
@@ -66,6 +68,13 @@ FixedSizeData<SIZE> FixedSizeData<SIZE>::CreateOSRandom() {
   return result;
 }
 
+template<unsigned int SIZE>
+FixedSizeData<SIZE> FixedSizeData<SIZE>::Null() {
+  FixedSizeData<SIZE> result;
+  std::memset(result._data, 0, BINARY_LENGTH);
+  return result;
+}
+
 template<unsigned int SIZE>
 FixedSizeData<SIZE> FixedSizeData<SIZE>::FromString(const std::string &data) {
   ASSERT(data.size() == STRING_LENGTH, "Wrong string size for parsing FixedSizeData");