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| author | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2013-06-22 16:16:13 +0200 |
|---|---|---|
| committer | Mounir IDRASSI <mounir.idrassi@idrix.fr> | 2014-11-08 23:18:07 +0100 |
| commit | c606f0866c3a2a5db3ef9bc41738ef33eb9612a9 (patch) | |
| tree | 5847c644cdfff3c1dd55b88b565448087ae89f11 /src/Common/Endian.h | |
| download | VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.tar.gz VeraCrypt-c606f0866c3a2a5db3ef9bc41738ef33eb9612a9.zip | |
Add original TrueCrypt 7.1a sources
Diffstat (limited to 'src/Common/Endian.h')
| -rw-r--r-- | src/Common/Endian.h | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/src/Common/Endian.h b/src/Common/Endian.h new file mode 100644 index 00000000..38af8cfb --- /dev/null +++ b/src/Common/Endian.h @@ -0,0 +1,147 @@ +/*
+ Legal Notice: Some portions of the source code contained in this file were
+ derived 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) 2003-2009 TrueCrypt Developers Association
+ and are governed by the TrueCrypt License 3.0 the full text of which is
+ contained in the file License.txt included in TrueCrypt 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 */
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