diff options
Diffstat (limited to 'src/Platform/Memory.h')
| -rw-r--r-- | src/Platform/Memory.h | 338 |
1 files changed, 169 insertions, 169 deletions
diff --git a/src/Platform/Memory.h b/src/Platform/Memory.h index ddf1205c..69ce2211 100644 --- a/src/Platform/Memory.h +++ b/src/Platform/Memory.h @@ -3,176 +3,176 @@ Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed by the TrueCrypt License 3.0. - Modifications and additions to the original source code (contained in this file) + Modifications and additions to the original source code (contained in this file) and all other portions of this file are Copyright (c) 2013-2016 IDRIX and are governed by the Apache License 2.0 the full text of which is contained in the file License.txt included in VeraCrypt binary and source code distribution packages. -*/
-
-#ifndef TC_HEADER_Platform_Memory
-#define TC_HEADER_Platform_Memory
-
-#include <new>
-#include <memory.h>
-#include "PlatformBase.h"
-
-#ifdef TC_WINDOWS
-
-# ifndef LITTLE_ENDIAN
-# define LITTLE_ENDIAN 1234
-# endif
-# ifndef BYTE_ORDER
-# define BYTE_ORDER LITTLE_ENDIAN
-# endif
-
-#elif !defined(BYTE_ORDER)
-
-# ifdef TC_MACOSX
-# include <machine/endian.h>
-# elif defined (TC_BSD)
-# include <sys/endian.h>
-# elif defined (TC_SOLARIS)
-# include <sys/types.h>
-# define LITTLE_ENDIAN 1234
-# define BIG_ENDIAN 4321
-# ifdef _BIG_ENDIAN
-# define BYTE_ORDER BIG_ENDIAN
-# else
-# define BYTE_ORDER LITTLE_ENDIAN
-# endif
-# else
-# include <endian.h>
-# endif
-
-# ifndef BYTE_ORDER
-# ifndef __BYTE_ORDER
-# error Byte ordering cannot be determined (BYTE_ORDER undefined).
-# endif
-
-# define BYTE_ORDER __BYTE_ORDER
-# endif
-
-# ifndef LITTLE_ENDIAN
-# define LITTLE_ENDIAN __LITTLE_ENDIAN
-# endif
-
-# ifndef BIG_ENDIAN
-# define BIG_ENDIAN __BIG_ENDIAN
-# endif
-
-#endif // !BYTE_ORDER
-
-#if BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN
-# error Unsupported byte ordering detected.
-#endif
-
-namespace VeraCrypt
-{
- class Memory
- {
- public:
- static void *Allocate (size_t size);
- static int Compare (const void *memory1, size_t size1, const void *memory2, size_t size2);
- static void Copy (void *memoryDestination, const void *memorySource, size_t size);
- static void Erase (void *memory, size_t size);
- static void Free (void *memory);
- static void Zero (void *memory, size_t size);
- };
-
- class Endian
- {
- public:
- static byte Big (const byte &x)
- {
- return x;
- }
-
- static uint16 Big (const uint16 &x)
- {
-#if BYTE_ORDER == BIG_ENDIAN
- return x;
-#else
- return MirrorBytes (x);
-#endif
- }
-
- static uint32 Big (const uint32 &x)
- {
-#if BYTE_ORDER == BIG_ENDIAN
- return x;
-#else
- return MirrorBytes (x);
-#endif
- }
-
- static uint64 Big (const uint64 &x)
- {
-#if BYTE_ORDER == BIG_ENDIAN
- return x;
-#else
- return MirrorBytes (x);
-#endif
- }
-
- static byte Little (const byte &x)
- {
- return x;
- }
-
- static uint16 Little (const uint16 &x)
- {
-#if BYTE_ORDER == LITTLE_ENDIAN
- return x;
-#else
- return MirrorBytes (x);
-#endif
- }
-
- static uint32 Little (const uint32 &x)
- {
-#if BYTE_ORDER == LITTLE_ENDIAN
- return x;
-#else
- return MirrorBytes (x);
-#endif
- }
-
- static uint64 Little (const uint64 &x)
- {
-#if BYTE_ORDER == LITTLE_ENDIAN
- return x;
-#else
- return MirrorBytes (x);
-#endif
- }
-
- protected:
- static uint16 MirrorBytes (const uint16 &x)
- {
- return (x << 8) | (x >> 8);
- }
-
- static uint32 MirrorBytes (const uint32 &x)
- {
- uint32 n = (byte) x;
- n <<= 8; n |= (byte) (x >> 8);
- n <<= 8; n |= (byte) (x >> 16);
- return (n << 8) | (byte) (x >> 24);
- }
-
- static uint64 MirrorBytes (const uint64 &x)
- {
- uint64 n = (byte) x;
- n <<= 8; n |= (byte) (x >> 8);
- n <<= 8; n |= (byte) (x >> 16);
- n <<= 8; n |= (byte) (x >> 24);
- n <<= 8; n |= (byte) (x >> 32);
- n <<= 8; n |= (byte) (x >> 40);
- n <<= 8; n |= (byte) (x >> 48);
- return (n << 8) | (byte) (x >> 56);
- }
- };
-}
-
-#endif // TC_HEADER_Platform_Memory
+*/ + +#ifndef TC_HEADER_Platform_Memory +#define TC_HEADER_Platform_Memory + +#include <new> +#include <memory.h> +#include "PlatformBase.h" + +#ifdef TC_WINDOWS + +# ifndef LITTLE_ENDIAN +# define LITTLE_ENDIAN 1234 +# endif +# ifndef BYTE_ORDER +# define BYTE_ORDER LITTLE_ENDIAN +# endif + +#elif !defined(BYTE_ORDER) + +# ifdef TC_MACOSX +# include <machine/endian.h> +# elif defined (TC_BSD) +# include <sys/endian.h> +# elif defined (TC_SOLARIS) +# include <sys/types.h> +# define LITTLE_ENDIAN 1234 +# define BIG_ENDIAN 4321 +# ifdef _BIG_ENDIAN +# define BYTE_ORDER BIG_ENDIAN +# else +# define BYTE_ORDER LITTLE_ENDIAN +# endif +# else +# include <endian.h> +# endif + +# ifndef BYTE_ORDER +# ifndef __BYTE_ORDER +# error Byte ordering cannot be determined (BYTE_ORDER undefined). +# endif + +# define BYTE_ORDER __BYTE_ORDER +# endif + +# ifndef LITTLE_ENDIAN +# define LITTLE_ENDIAN __LITTLE_ENDIAN +# endif + +# ifndef BIG_ENDIAN +# define BIG_ENDIAN __BIG_ENDIAN +# endif + +#endif // !BYTE_ORDER + +#if BYTE_ORDER != BIG_ENDIAN && BYTE_ORDER != LITTLE_ENDIAN +# error Unsupported byte ordering detected. +#endif + +namespace VeraCrypt +{ + class Memory + { + public: + static void *Allocate (size_t size); + static int Compare (const void *memory1, size_t size1, const void *memory2, size_t size2); + static void Copy (void *memoryDestination, const void *memorySource, size_t size); + static void Erase (void *memory, size_t size); + static void Free (void *memory); + static void Zero (void *memory, size_t size); + }; + + class Endian + { + public: + static byte Big (const byte &x) + { + return x; + } + + static uint16 Big (const uint16 &x) + { +#if BYTE_ORDER == BIG_ENDIAN + return x; +#else + return MirrorBytes (x); +#endif + } + + static uint32 Big (const uint32 &x) + { +#if BYTE_ORDER == BIG_ENDIAN + return x; +#else + return MirrorBytes (x); +#endif + } + + static uint64 Big (const uint64 &x) + { +#if BYTE_ORDER == BIG_ENDIAN + return x; +#else + return MirrorBytes (x); +#endif + } + + static byte Little (const byte &x) + { + return x; + } + + static uint16 Little (const uint16 &x) + { +#if BYTE_ORDER == LITTLE_ENDIAN + return x; +#else + return MirrorBytes (x); +#endif + } + + static uint32 Little (const uint32 &x) + { +#if BYTE_ORDER == LITTLE_ENDIAN + return x; +#else + return MirrorBytes (x); +#endif + } + + static uint64 Little (const uint64 &x) + { +#if BYTE_ORDER == LITTLE_ENDIAN + return x; +#else + return MirrorBytes (x); +#endif + } + + protected: + static uint16 MirrorBytes (const uint16 &x) + { + return (x << 8) | (x >> 8); + } + + static uint32 MirrorBytes (const uint32 &x) + { + uint32 n = (byte) x; + n <<= 8; n |= (byte) (x >> 8); + n <<= 8; n |= (byte) (x >> 16); + return (n << 8) | (byte) (x >> 24); + } + + static uint64 MirrorBytes (const uint64 &x) + { + uint64 n = (byte) x; + n <<= 8; n |= (byte) (x >> 8); + n <<= 8; n |= (byte) (x >> 16); + n <<= 8; n |= (byte) (x >> 24); + n <<= 8; n |= (byte) (x >> 32); + n <<= 8; n |= (byte) (x >> 40); + n <<= 8; n |= (byte) (x >> 48); + return (n << 8) | (byte) (x >> 56); + } + }; +} + +#endif // TC_HEADER_Platform_Memory |