--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/MallocMemoryBuffer.cpp	Thu Jan 28 19:03:19 2021 +0100
@@ -0,0 +1,87 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2021 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program. If not, see
+ * <http://www.gnu.org/licenses/>.
+ **/
+
+
+#include "PrecompiledHeaders.h"
+#include "MallocMemoryBuffer.h"
+
+#include "OrthancException.h"
+
+#include <string.h>
+
+
+namespace Orthanc
+{
+  MallocMemoryBuffer::MallocMemoryBuffer() :
+    buffer_(NULL),
+    size_(0),
+    free_(NULL)
+  {
+  }
+
+
+  void MallocMemoryBuffer::Clear()
+  {
+    if (size_ != 0)
+    {
+      if (free_ == NULL)
+      {
+        throw OrthancException(ErrorCode_InternalError);
+      }
+        
+      free_(buffer_);
+      buffer_ = NULL;
+      size_ = 0;
+      free_ = NULL;
+    }
+  }
+
+    
+  void MallocMemoryBuffer::Assign(void* buffer,
+                                  size_t size,
+                                  FreeFunction freeFunction)
+  {
+    Clear();
+
+    buffer_ = buffer;
+    size_ = size;
+    free_ = freeFunction;
+
+    if (size_ != 0 &&
+        free_ == NULL)
+    {
+      throw OrthancException(ErrorCode_ParameterOutOfRange, "No valid free() function provided");
+    }
+  }
+
+    
+  void MallocMemoryBuffer::MoveToString(std::string& target)
+  {
+    target.resize(size_);
+
+    if (size_ != 0)
+    {
+      memcpy(&target[0], buffer_, size_);
+    }
+
+    Clear();
+  }
+}