diff options
Diffstat (limited to 'src/Common/Endian.h')
-rw-r--r-- | src/Common/Endian.h | 298 |
1 files changed, 149 insertions, 149 deletions
diff --git a/src/Common/Endian.h b/src/Common/Endian.h index 0f35304e..7d97e5fb 100644 --- a/src/Common/Endian.h +++ b/src/Common/Endian.h @@ -1,149 +1,149 @@ -/*
- Legal Notice: Some portions of the source code contained in this file were
- derived from the source code of TrueCrypt 7.1a, which is
- Copyright (c) 2003-2012 TrueCrypt Developers Association and which is
- governed by the TrueCrypt License 3.0, also from the source code of
- Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux
- and which is governed by the 'License Agreement for Encryption for the Masses'
- 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_ENDIAN_H
-#define TC_ENDIAN_H
-
-#include "Common/Tcdefs.h"
-
-#if defined(__cplusplus)
-extern "C"
-{
-#endif
-
-#ifdef _WIN32
-
-# 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 order 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
-
-/* Macros to read and write 16, 32, and 64-bit quantities in a portable manner.
- These functions are implemented as macros rather than true functions as
- the need to adjust the memory pointers makes them somewhat painful to call
- in user code */
-
-#define mputInt64(memPtr,data) \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 56 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 48 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 40 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 32 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
-
-#define mputLong(memPtr,data) \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
-
-#define mputWord(memPtr,data) \
- *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
- *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
-
-#define mputByte(memPtr,data) \
- *memPtr++ = ( unsigned char ) data
-
-#define mputBytes(memPtr,data,len) \
- memcpy (memPtr,data,len); \
- memPtr += len;
-
-#define mgetInt64(memPtr) \
- ( memPtr += 8, ( ( unsigned __int64 ) memPtr[ -8 ] << 56 ) | ( ( unsigned __int64 ) memPtr[ -7 ] << 48 ) | \
- ( ( unsigned __int64 ) memPtr[ -6 ] << 40 ) | ( ( unsigned __int64 ) memPtr[ -5 ] << 32 ) | \
- ( ( unsigned __int64 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int64 ) memPtr[ -3 ] << 16 ) | \
- ( ( unsigned __int64 ) memPtr[ -2 ] << 8 ) | ( unsigned __int64 ) memPtr[ -1 ] )
-
-#define mgetLong(memPtr) \
- ( memPtr += 4, ( ( unsigned __int32 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int32 ) memPtr[ -3 ] << 16 ) | \
- ( ( unsigned __int32 ) memPtr[ -2 ] << 8 ) | ( unsigned __int32 ) memPtr[ -1 ] )
-
-#define mgetWord(memPtr) \
- ( memPtr += 2, ((( unsigned short ) memPtr[ -2 ] << 8 ) | ( ( unsigned short ) memPtr[ -1 ] )) )
-
-#define mgetByte(memPtr) \
- ( ( unsigned char ) *memPtr++ )
-
-#if BYTE_ORDER == BIG_ENDIAN
-# define LE16(x) MirrorBytes16(x)
-# define LE32(x) MirrorBytes32(x)
-# define LE64(x) MirrorBytes64(x)
-#else
-# define LE16(x) (x)
-# define LE32(x) (x)
-# define LE64(x) (x)
-#endif
-
-#if BYTE_ORDER == LITTLE_ENDIAN
-# define BE16(x) MirrorBytes16(x)
-# define BE32(x) MirrorBytes32(x)
-# define BE64(x) MirrorBytes64(x)
-#else
-# define BE16(x) (x)
-# define BE32(x) (x)
-# define BE64(x) (x)
-#endif
-
-unsigned __int16 MirrorBytes16 (unsigned __int16 x);
-unsigned __int32 MirrorBytes32 (unsigned __int32 x);
-#ifndef TC_NO_COMPILER_INT64
-uint64 MirrorBytes64 (uint64 x);
-#endif
-void LongReverse ( unsigned __int32 *buffer , unsigned byteCount );
-
-#if defined(__cplusplus)
-}
-#endif
-
-#endif /* TC_ENDIAN_H */
+/* + Legal Notice: Some portions of the source code contained in this file were + derived from the source code of TrueCrypt 7.1a, which is + Copyright (c) 2003-2012 TrueCrypt Developers Association and which is + governed by the TrueCrypt License 3.0, also from the source code of + Encryption for the Masses 2.02a, which is Copyright (c) 1998-2000 Paul Le Roux + and which is governed by the 'License Agreement for Encryption for the Masses' + 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_ENDIAN_H +#define TC_ENDIAN_H + +#include "Common/Tcdefs.h" + +#if defined(__cplusplus) +extern "C" +{ +#endif + +#ifdef _WIN32 + +# 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 order 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 + +/* Macros to read and write 16, 32, and 64-bit quantities in a portable manner. + These functions are implemented as macros rather than true functions as + the need to adjust the memory pointers makes them somewhat painful to call + in user code */ + +#define mputInt64(memPtr,data) \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 56 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 48 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 40 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 32 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF ) + +#define mputLong(memPtr,data) \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF ) + +#define mputWord(memPtr,data) \ + *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \ + *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF ) + +#define mputByte(memPtr,data) \ + *memPtr++ = ( unsigned char ) data + +#define mputBytes(memPtr,data,len) \ + memcpy (memPtr,data,len); \ + memPtr += len; + +#define mgetInt64(memPtr) \ + ( memPtr += 8, ( ( unsigned __int64 ) memPtr[ -8 ] << 56 ) | ( ( unsigned __int64 ) memPtr[ -7 ] << 48 ) | \ + ( ( unsigned __int64 ) memPtr[ -6 ] << 40 ) | ( ( unsigned __int64 ) memPtr[ -5 ] << 32 ) | \ + ( ( unsigned __int64 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int64 ) memPtr[ -3 ] << 16 ) | \ + ( ( unsigned __int64 ) memPtr[ -2 ] << 8 ) | ( unsigned __int64 ) memPtr[ -1 ] ) + +#define mgetLong(memPtr) \ + ( memPtr += 4, ( ( unsigned __int32 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int32 ) memPtr[ -3 ] << 16 ) | \ + ( ( unsigned __int32 ) memPtr[ -2 ] << 8 ) | ( unsigned __int32 ) memPtr[ -1 ] ) + +#define mgetWord(memPtr) \ + ( memPtr += 2, ((( unsigned short ) memPtr[ -2 ] << 8 ) | ( ( unsigned short ) memPtr[ -1 ] )) ) + +#define mgetByte(memPtr) \ + ( ( unsigned char ) *memPtr++ ) + +#if BYTE_ORDER == BIG_ENDIAN +# define LE16(x) MirrorBytes16(x) +# define LE32(x) MirrorBytes32(x) +# define LE64(x) MirrorBytes64(x) +#else +# define LE16(x) (x) +# define LE32(x) (x) +# define LE64(x) (x) +#endif + +#if BYTE_ORDER == LITTLE_ENDIAN +# define BE16(x) MirrorBytes16(x) +# define BE32(x) MirrorBytes32(x) +# define BE64(x) MirrorBytes64(x) +#else +# define BE16(x) (x) +# define BE32(x) (x) +# define BE64(x) (x) +#endif + +unsigned __int16 MirrorBytes16 (unsigned __int16 x); +unsigned __int32 MirrorBytes32 (unsigned __int32 x); +#ifndef TC_NO_COMPILER_INT64 +uint64 MirrorBytes64 (uint64 x); +#endif +void LongReverse ( unsigned __int32 *buffer , unsigned byteCount ); + +#if defined(__cplusplus) +} +#endif + +#endif /* TC_ENDIAN_H */ |