From c6b72dfe3c8c76534c3e79641633c56e5f423faf Mon Sep 17 00:00:00 2001
From: Brad Davis <bdavis@saintandreas.org>
Date: Wed, 22 Feb 2017 12:04:29 -0800
Subject: [PATCH] Make memory storage mutable

---
 libraries/shared/src/shared/Storage.cpp | 4 +++-
 libraries/shared/src/shared/Storage.h   | 3 ++-
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/libraries/shared/src/shared/Storage.cpp b/libraries/shared/src/shared/Storage.cpp
index dacb840de7..3b83676bc8 100644
--- a/libraries/shared/src/shared/Storage.cpp
+++ b/libraries/shared/src/shared/Storage.cpp
@@ -33,7 +33,9 @@ FileStoragePointer Storage::toFileStorage(const QString& filename) const {
 
 MemoryStorage::MemoryStorage(size_t size, const uint8_t* data) {
     _data.resize(size);
-    memcpy(_data.data(), data, size);
+    if (data) {
+        memcpy(_data.data(), data, size);
+    }
 }
 
 FileStoragePointer FileStorage::create(const QString& filename, size_t size, const uint8_t* data) {
diff --git a/libraries/shared/src/shared/Storage.h b/libraries/shared/src/shared/Storage.h
index 4dbb2a03a5..b79b9d6080 100644
--- a/libraries/shared/src/shared/Storage.h
+++ b/libraries/shared/src/shared/Storage.h
@@ -43,8 +43,9 @@ namespace storage {
 
     class MemoryStorage : public Storage {
     public:
-        MemoryStorage(size_t size, const uint8_t* data);
+        MemoryStorage(size_t size, const uint8_t* data = nullptr);
         const uint8_t* data() const override { return _data.data(); }
+        uint8_t* data() { return _data.data(); }
         size_t size() const override { return _data.size(); }
     private:
         std::vector<uint8_t> _data;