--- a/RenderingPlugin/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.cpp	Mon Apr 25 09:31:00 2022 +0200
+++ b/RenderingPlugin/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.cpp	Fri May 06 15:30:26 2022 +0200
@@ -1546,24 +1546,18 @@
              " is required)");
   }
 
-
-  bool CheckMinimalOrthancVersion(unsigned int major,
-                                  unsigned int minor,
-                                  unsigned int revision)
+  bool CheckMinimalVersion(const char* version,
+                           unsigned int major,
+                           unsigned int minor,
+                           unsigned int revision)
   {
-    if (!HasGlobalContext())
-    {
-      LogError("Bad Orthanc context in the plugin");
-      return false;
-    }
-
-    if (!strcmp(GetGlobalContext()->orthancVersion, "mainline"))
+    if (!strcmp(version, "mainline"))
     {
       // Assume compatibility with the mainline
       return true;
     }
 
-    // Parse the version of the Orthanc core
+    // Parse the version
     int aa, bb, cc;
     if (
 #ifdef _MSC_VER
@@ -1571,7 +1565,7 @@
 #else
       sscanf
 #endif
-      (GetGlobalContext()->orthancVersion, "%4d.%4d.%4d", &aa, &bb, &cc) != 3 ||
+      (version, "%4d.%4d.%4d", &aa, &bb, &cc) != 3 ||
       aa < 0 ||
       bb < 0 ||
       cc < 0)
@@ -1595,7 +1589,6 @@
       return false;
     }
 
-
     // Check the minor version number
     assert(a == major);
 
@@ -1623,6 +1616,21 @@
   }
 
 
+  bool CheckMinimalOrthancVersion(unsigned int major,
+                                  unsigned int minor,
+                                  unsigned int revision)
+  {
+    if (!HasGlobalContext())
+    {
+      LogError("Bad Orthanc context in the plugin");
+      return false;
+    }
+
+    return CheckMinimalVersion(GetGlobalContext()->orthancVersion,
+                               major, minor, revision);
+  }
+
+
 #if ORTHANC_PLUGINS_VERSION_IS_ABOVE(1, 5, 0)
   const char* AutodetectMimeType(const std::string& path)
   {
@@ -3703,7 +3711,13 @@
 
     try
     {
-      *isReadOnly = (that.StoreFile(WebDavConvertPath(pathSize, pathItems), data, size) ? 1 : 0);
+      if (static_cast<uint64_t>(static_cast<size_t>(size)) != size)
+      {
+        ORTHANC_PLUGINS_THROW_EXCEPTION(NotEnoughMemory);
+      }
+      
+      *isReadOnly = (that.StoreFile(WebDavConvertPath(pathSize, pathItems), data,
+                                    static_cast<size_t>(size)) ? 1 : 0);
       return OrthancPluginErrorCode_Success;
     }
     catch (ORTHANC_PLUGINS_EXCEPTION_CLASS& e)

--- a/RenderingPlugin/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h	Mon Apr 25 09:31:00 2022 +0200
+++ b/RenderingPlugin/Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h	Fri May 06 15:30:26 2022 +0200
@@ -303,6 +303,11 @@
       return str_;
     }
 
+    bool IsNullOrEmpty() const
+    {
+      return str_ == NULL || str_[0] == 0;
+    }
+
     void ToString(std::string& target) const;
 
     void ToJson(Json::Value& target) const;
@@ -610,6 +615,10 @@
                                   unsigned int minor,
                                   unsigned int revision);
 
+  bool CheckMinimalVersion(const char* version,
+                           unsigned int major,
+                           unsigned int minor,
+                           unsigned int revision);
 
   namespace Internals
   {