1 files changed, 8 insertions, 2 deletions
diff --git a/gzip.h b/gzip.h
index 271ff500..0c3f53df 100644
--- a/gzip.h
+++ b/gzip.h
@@ -27,13 +27,17 @@ public:
 	//!   if a file has both compressible and uncompressible parts, it may fail to compress
 	//!   some of the compressible parts.
 	Gzip(BufferedTransformation *attachment=NULLPTR, unsigned int deflateLevel=DEFAULT_DEFLATE_LEVEL, unsigned int log2WindowSize=DEFAULT_LOG2_WINDOW_SIZE, bool detectUncompressible=true)
-		: Deflator(attachment, deflateLevel, log2WindowSize, detectUncompressible), m_totalLen(0) {}
+		: Deflator(attachment, deflateLevel, log2WindowSize, detectUncompressible), m_totalLen(0) { }
+
 	//! \brief Construct a Gzip compressor
 	//! \param parameters a set of NameValuePairs to initialize this object
 	//! \param attachment an attached transformation
 	//! \details Possible parameter names: Log2WindowSize, DeflateLevel, DetectUncompressible
 	Gzip(const NameValuePairs &parameters, BufferedTransformation *attachment=NULLPTR)
-		: Deflator(parameters, attachment), m_totalLen(0) {}
+		: Deflator(parameters, attachment), m_totalLen(0)
+	{
+		IsolatedInitialize(parameters);
+	}
 
 	//! \param filetime the filetime to set in the header. The application is responsible for setting it.
 	void SetFiletime(word32 filetime) { m_filetime = filetime; }
@@ -52,6 +56,8 @@ public:
 	//!        is thrown. If throwOnEncodingError is false then the comment is not checked.
 	void SetComment(const std::string& comment, bool throwOnEncodingError = false);
 
+	void IsolatedInitialize(const NameValuePairs &parameters);
+
 protected:
 	enum {MAGIC1=0x1f, MAGIC2=0x8b,   // flags for the header
 		  DEFLATED=8, FAST=4, SLOW=2};