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1.1.1.10 root 1: /*
2: Legal Notice: The source code contained in this file has been derived from
3: the source code of Encryption for the Masses 2.02a, which is Copyright (c)
4: Paul Le Roux and which is covered by the 'License Agreement for Encryption
5: for the Masses'. Modifications and additions to that source code contained
6: in this file are Copyright (c) TrueCrypt Foundation and are covered by the
1.1.1.11! root 7: TrueCrypt License 2.3 the full text of which is contained in the file
1.1.1.10 root 8: License.txt included in TrueCrypt binary and source code distribution
9: packages. */
1.1.1.6 root 10:
1.1.1.8 root 11: #ifndef TC_ENDIAN_H
12: #define TC_ENDIAN_H
13:
1.1.1.6 root 14: #ifdef _WIN32
15:
16: # ifndef LITTLE_ENDIAN
17: # define LITTLE_ENDIAN 1234
18: # endif
19: # ifndef BYTE_ORDER
20: # define BYTE_ORDER LITTLE_ENDIAN
21: # endif
22:
23: #elif !defined(BYTE_ORDER)
24:
25: # ifdef LINUX_DRIVER
26: # include <asm/byteorder.h>
27:
1.1.1.10 root 28: # define LITTLE_ENDIAN 1234
29: # define BIG_ENDIAN 4321
30:
1.1.1.6 root 31: # ifdef __LITTLE_ENDIAN
32: # define BYTE_ORDER LITTLE_ENDIAN
33: # endif
34:
35: # ifdef __BIG_ENDIAN
36: # define BYTE_ORDER BIG_ENDIAN
37: # endif
38:
1.1.1.10 root 39: # ifndef BYTE_ORDER
40: # error Byte order cannot be determined - kernel source not prepared for building of modules
41: # endif
42: # else
1.1.1.6 root 43: # include <endian.h>
44:
1.1.1.10 root 45: # ifndef BYTE_ORDER
46: # ifndef __BYTE_ORDER
47: # error Byte order cannot be determined (BYTE_ORDER undefined)
48: # endif
1.1.1.6 root 49:
1.1.1.10 root 50: # define BYTE_ORDER __BYTE_ORDER
51: # endif
1.1.1.6 root 52:
53: # ifndef LITTLE_ENDIAN
54: # define LITTLE_ENDIAN __LITTLE_ENDIAN
55: # endif
56:
57: # ifndef BIG_ENDIAN
58: # define BIG_ENDIAN __BIG_ENDIAN
59: # endif
1.1.1.10 root 60: # endif
1.1.1.4 root 61:
1.1.1.6 root 62: #endif // !BYTE_ORDER
1.1.1.4 root 63:
64: /* Macros to read and write 16, 32, and 64-bit quantities in a portable manner.
65: These functions are implemented as macros rather than true functions as
66: the need to adjust the memory pointers makes them somewhat painful to call
67: in user code */
68:
69: #define mputInt64(memPtr,data) \
70: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 56 ) & 0xFF ), \
71: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 48 ) & 0xFF ), \
72: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 40 ) & 0xFF ), \
73: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 32 ) & 0xFF ), \
74: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \
75: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \
76: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
77: *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
78:
1.1 root 79: #define mputLong(memPtr,data) \
80: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \
81: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \
82: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
83: *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
84:
85: #define mputWord(memPtr,data) \
86: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
87: *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
88:
89: #define mputByte(memPtr,data) \
90: *memPtr++ = ( unsigned char ) data
91:
92: #define mputBytes(memPtr,data,len) \
93: memcpy (memPtr,data,len); \
94: memPtr += len;
95:
1.1.1.4 root 96: #define mgetInt64(memPtr) \
97: ( memPtr += 8, ( ( unsigned __int64 ) memPtr[ -8 ] << 56 ) | ( ( unsigned __int64 ) memPtr[ -7 ] << 48 ) | \
98: ( ( unsigned __int64 ) memPtr[ -6 ] << 40 ) | ( ( unsigned __int64 ) memPtr[ -5 ] << 32 ) | \
99: ( ( unsigned __int64 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int64 ) memPtr[ -3 ] << 16 ) | \
100: ( ( unsigned __int64 ) memPtr[ -2 ] << 8 ) | ( unsigned __int64 ) memPtr[ -1 ] )
101:
1.1 root 102: #define mgetLong(memPtr) \
1.1.1.6 root 103: ( memPtr += 4, ( ( unsigned __int32 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int32 ) memPtr[ -3 ] << 16 ) | \
104: ( ( unsigned __int32 ) memPtr[ -2 ] << 8 ) | ( unsigned __int32 ) memPtr[ -1 ] )
1.1 root 105:
106: #define mgetWord(memPtr) \
107: ( memPtr += 2, ( unsigned short ) memPtr[ -2 ] << 8 ) | ( ( unsigned short ) memPtr[ -1 ] )
108:
109: #define mgetByte(memPtr) \
110: ( ( unsigned char ) *memPtr++ )
111:
1.1.1.6 root 112: #if BYTE_ORDER == BIG_ENDIAN
1.1.1.10 root 113: # define LE16(x) MirrorBytes16(x)
1.1.1.6 root 114: # define LE32(x) MirrorBytes32(x)
115: # define LE64(x) MirrorBytes64(x)
116: #else
1.1.1.10 root 117: # define LE16(x) (x)
1.1.1.6 root 118: # define LE32(x) (x)
119: # define LE64(x) (x)
120: #endif
121:
1.1.1.7 root 122: #if BYTE_ORDER == LITTLE_ENDIAN
1.1.1.10 root 123: # define BE16(x) MirrorBytes16(x)
1.1.1.7 root 124: # define BE32(x) MirrorBytes32(x)
125: # define BE64(x) MirrorBytes64(x)
126: #else
1.1.1.10 root 127: # define BE16(x) (x)
1.1.1.7 root 128: # define BE32(x) (x)
129: # define BE64(x) (x)
130: #endif
131:
1.1.1.10 root 132: unsigned __int16 MirrorBytes16 (unsigned __int16 x);
1.1.1.6 root 133: unsigned __int32 MirrorBytes32 (unsigned __int32 x);
134: unsigned __int64 MirrorBytes64 (unsigned __int64 x);
135: void LongReverse ( unsigned __int32 *buffer , unsigned byteCount );
1.1.1.8 root 136:
137: #endif /* TC_ENDIAN_H */
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