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1.1.1.10 root 1: /*
1.1.1.12 root 2: Legal Notice: Some portions of the source code contained in this file were
3: derived from the source code of Encryption for the Masses 2.02a, which is
4: Copyright (c) 1998-2000 Paul Le Roux and which is governed by the 'License
5: Agreement for Encryption for the Masses'. Modifications and additions to
6: the original source code (contained in this file) and all other portions of
7: this file are Copyright (c) 2003-2008 TrueCrypt Foundation and are governed
1.1.1.14! root 8: by the TrueCrypt License 2.5 the full text of which is contained in the
1.1.1.12 root 9: file License.txt included in TrueCrypt binary and source code distribution
1.1.1.10 root 10: packages. */
1.1.1.6 root 11:
1.1.1.8 root 12: #ifndef TC_ENDIAN_H
13: #define TC_ENDIAN_H
14:
1.1.1.12 root 15: #if defined(__cplusplus)
16: extern "C"
17: {
18: #endif
19:
1.1.1.6 root 20: #ifdef _WIN32
21:
22: # ifndef LITTLE_ENDIAN
23: # define LITTLE_ENDIAN 1234
24: # endif
25: # ifndef BYTE_ORDER
26: # define BYTE_ORDER LITTLE_ENDIAN
27: # endif
28:
29: #elif !defined(BYTE_ORDER)
30:
1.1.1.13 root 31: # ifdef TC_MACOSX
32: # include <machine/endian.h>
33: # elif defined (TC_BSD)
34: # include <sys/endian.h>
1.1.1.10 root 35: # else
1.1.1.13 root 36: # include <endian.h>
37: # endif
1.1.1.6 root 38:
1.1.1.13 root 39: # ifndef BYTE_ORDER
40: # ifndef __BYTE_ORDER
41: # error Byte order cannot be determined (BYTE_ORDER undefined)
1.1.1.10 root 42: # endif
1.1.1.6 root 43:
1.1.1.13 root 44: # define BYTE_ORDER __BYTE_ORDER
45: # endif
1.1.1.6 root 46:
1.1.1.13 root 47: # ifndef LITTLE_ENDIAN
48: # define LITTLE_ENDIAN __LITTLE_ENDIAN
49: # endif
50:
51: # ifndef BIG_ENDIAN
52: # define BIG_ENDIAN __BIG_ENDIAN
1.1.1.10 root 53: # endif
1.1.1.4 root 54:
1.1.1.6 root 55: #endif // !BYTE_ORDER
1.1.1.4 root 56:
57: /* Macros to read and write 16, 32, and 64-bit quantities in a portable manner.
58: These functions are implemented as macros rather than true functions as
59: the need to adjust the memory pointers makes them somewhat painful to call
60: in user code */
61:
62: #define mputInt64(memPtr,data) \
63: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 56 ) & 0xFF ), \
64: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 48 ) & 0xFF ), \
65: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 40 ) & 0xFF ), \
66: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 32 ) & 0xFF ), \
67: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \
68: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \
69: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
70: *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
71:
1.1 root 72: #define mputLong(memPtr,data) \
73: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 24 ) & 0xFF ), \
74: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 16 ) & 0xFF ), \
75: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
76: *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
77:
78: #define mputWord(memPtr,data) \
79: *memPtr++ = ( unsigned char ) ( ( ( data ) >> 8 ) & 0xFF ), \
80: *memPtr++ = ( unsigned char ) ( ( data ) & 0xFF )
81:
82: #define mputByte(memPtr,data) \
83: *memPtr++ = ( unsigned char ) data
84:
85: #define mputBytes(memPtr,data,len) \
86: memcpy (memPtr,data,len); \
87: memPtr += len;
88:
1.1.1.4 root 89: #define mgetInt64(memPtr) \
90: ( memPtr += 8, ( ( unsigned __int64 ) memPtr[ -8 ] << 56 ) | ( ( unsigned __int64 ) memPtr[ -7 ] << 48 ) | \
91: ( ( unsigned __int64 ) memPtr[ -6 ] << 40 ) | ( ( unsigned __int64 ) memPtr[ -5 ] << 32 ) | \
92: ( ( unsigned __int64 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int64 ) memPtr[ -3 ] << 16 ) | \
93: ( ( unsigned __int64 ) memPtr[ -2 ] << 8 ) | ( unsigned __int64 ) memPtr[ -1 ] )
94:
1.1 root 95: #define mgetLong(memPtr) \
1.1.1.6 root 96: ( memPtr += 4, ( ( unsigned __int32 ) memPtr[ -4 ] << 24 ) | ( ( unsigned __int32 ) memPtr[ -3 ] << 16 ) | \
97: ( ( unsigned __int32 ) memPtr[ -2 ] << 8 ) | ( unsigned __int32 ) memPtr[ -1 ] )
1.1 root 98:
99: #define mgetWord(memPtr) \
100: ( memPtr += 2, ( unsigned short ) memPtr[ -2 ] << 8 ) | ( ( unsigned short ) memPtr[ -1 ] )
101:
102: #define mgetByte(memPtr) \
103: ( ( unsigned char ) *memPtr++ )
104:
1.1.1.6 root 105: #if BYTE_ORDER == BIG_ENDIAN
1.1.1.10 root 106: # define LE16(x) MirrorBytes16(x)
1.1.1.6 root 107: # define LE32(x) MirrorBytes32(x)
108: # define LE64(x) MirrorBytes64(x)
109: #else
1.1.1.10 root 110: # define LE16(x) (x)
1.1.1.6 root 111: # define LE32(x) (x)
112: # define LE64(x) (x)
113: #endif
114:
1.1.1.7 root 115: #if BYTE_ORDER == LITTLE_ENDIAN
1.1.1.10 root 116: # define BE16(x) MirrorBytes16(x)
1.1.1.7 root 117: # define BE32(x) MirrorBytes32(x)
118: # define BE64(x) MirrorBytes64(x)
119: #else
1.1.1.10 root 120: # define BE16(x) (x)
1.1.1.7 root 121: # define BE32(x) (x)
122: # define BE64(x) (x)
123: #endif
124:
1.1.1.10 root 125: unsigned __int16 MirrorBytes16 (unsigned __int16 x);
1.1.1.6 root 126: unsigned __int32 MirrorBytes32 (unsigned __int32 x);
1.1.1.12 root 127: #ifndef TC_NO_COMPILER_INT64
1.1.1.6 root 128: unsigned __int64 MirrorBytes64 (unsigned __int64 x);
1.1.1.12 root 129: #endif
1.1.1.6 root 130: void LongReverse ( unsigned __int32 *buffer , unsigned byteCount );
1.1.1.8 root 131:
1.1.1.12 root 132: #if defined(__cplusplus)
133: }
134: #endif
135:
1.1.1.8 root 136: #endif /* TC_ENDIAN_H */
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