add "volatile" to prevent compiler optimizing away code

1 files changed, 2 insertions, 2 deletions

diff --git a/gcm.h b/gcm.h
index 851ae802..0133ffef 100644
--- a/gcm.h
+++ b/gcm.h
@@ -64,7 +64,7 @@ protected:
 	byte *HashKey() {return m_buffer+2*REQUIRED_BLOCKSIZE;}

 	byte *MulTable() {return m_buffer+3*REQUIRED_BLOCKSIZE;}

 

-	class GCTR : public CTR_Mode_ExternalCipher::Encryption

+	class CRYPTOPP_DLL GCTR : public CTR_Mode_ExternalCipher::Encryption

 	{

 	protected:

 		void IncrementCounterBy256();

@@ -72,7 +72,7 @@ protected:
 

 	GCTR m_ctr;

 	static word16 s_reductionTable[256];

-	static bool s_reductionTableInitialized;

+	static volatile bool s_reductionTableInitialized;

 	enum {REQUIRED_BLOCKSIZE = 16, HASH_BLOCKSIZE = 16};

 };