add "volatile" to prevent compiler optimizing away code

base32.cpp

@@ -25,7 +25,7 @@ void Base32Decoder::IsolatedInitialize(const NameValuePairs &parameters)
 
 const int *Base32Decoder::GetDefaultDecodingLookupArray()
 {
-	static bool s_initialized = false;
+	static volatile bool s_initialized = false;
 	static int s_array[256];
 
 	if (!s_initialized)

base64.cpp

@@ -28,7 +28,7 @@ void Base64Encoder::IsolatedInitialize(const NameValuePairs &parameters)
 
 const int *Base64Decoder::GetDecodingLookupArray()
 {
-	static bool s_initialized = false;
+	static volatile bool s_initialized = false;
 	static int s_array[256];
 
 	if (!s_initialized)

gcm.cpp

@@ -17,7 +17,7 @@
 NAMESPACE_BEGIN(CryptoPP)
 
 word16 GCM_Base::s_reductionTable[256];
-bool GCM_Base::s_reductionTableInitialized = false;
+volatile bool GCM_Base::s_reductionTableInitialized = false;
 
 void GCM_Base::GCTR::IncrementCounterBy256()
 {

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};
 };
 

gost.cpp

@@ -27,7 +27,7 @@ const byte GOST::Base::sBox[8][16]={
 	{14,  4, 13,  1,  2, 15, 11,  8,  3, 10,  6, 12,  5,  9,  0,  7 }}; 
 */
 
-bool GOST::Base::sTableCalculated = false;
+volatile bool GOST::Base::sTableCalculated = false;
 word32 GOST::Base::sTable[4][256];
 
 void GOST::Base::UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &)

gost.h

@@ -27,7 +27,7 @@ class GOST : public GOST_Info, public BlockCipherDocumentation
 		static void PrecalculateSTable();
 
 		static const byte sBox[8][16];
-		static bool sTableCalculated;
+		static volatile bool sTableCalculated;
 		static word32 sTable[4][256];
 
 		FixedSizeSecBlock<word32, 8> key;

hex.cpp

@@ -28,7 +28,7 @@ void HexDecoder::IsolatedInitialize(const NameValuePairs &parameters)
 
 const int *HexDecoder::GetDefaultDecodingLookupArray()
 {
-	static bool s_initialized = false;
+	static volatile bool s_initialized = false;
 	static int s_array[256];
 
 	if (!s_initialized)

idea.cpp

@@ -30,7 +30,7 @@ CRYPTOPP_COMPILE_ASSERT(sizeof(IDEA::Word) >= 2);
 }
 
 #ifdef IDEA_LARGECACHE
-bool IDEA::Base::tablesBuilt = false;
+volatile bool IDEA::Base::tablesBuilt = false;
 word16 IDEA::Base::log[0x10000];
 word16 IDEA::Base::antilog[0x10000];
 

idea.h

@@ -43,7 +43,7 @@ private:
 		static inline void LookupMUL(word &a, word b);
 		void LookupKeyLogs();
 		static void BuildLogTables();
-		static bool tablesBuilt;
+		static volatile bool tablesBuilt;
 		static word16 log[0x10000], antilog[0x10000];
 	#endif
 	};