48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
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#ifndef _RAR_TYPES_
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#define _RAR_TYPES_
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typedef unsigned char byte; // unsigned 8 bits
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typedef unsigned short ushort; // preferably 16 bits, but can be more
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typedef unsigned int uint; // 32 bits or more
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#define PRESENT_INT32 // undefine if signed 32 bits is not available
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typedef unsigned int uint32; // 32 bits exactly
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typedef signed int int32; // signed 32 bits exactly
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// If compiler does not support 64 bit variables, we can define
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// uint64 and int64 as 32 bit, but it will limit the maximum processed
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// file size to 2 GB.
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#if defined(__BORLANDC__) || defined(_MSC_VER)
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typedef unsigned __int64 uint64; // unsigned 64 bits
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typedef signed __int64 int64; // signed 64 bits
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#else
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typedef unsigned long long uint64; // unsigned 64 bits
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typedef signed long long int64; // signed 64 bits
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#endif
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#if defined(_WIN_32) || defined(__GNUC__) || defined(__sgi) || defined(_AIX) || defined(__sun) || defined(__hpux) || defined(_OSF_SOURCE)
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typedef wchar_t wchar;
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#else
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typedef ushort wchar;
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#endif
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// Get lowest 16 bits.
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#define SHORT16(x) (sizeof(ushort)==2 ? (ushort)(x):((x)&0xffff))
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// Get lowest 32 bits.
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#define UINT32(x) (sizeof(uint32)==4 ? (uint32)(x):((x)&0xffffffff))
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// Make 64 bit integer from two 32 bit.
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#define INT32TO64(high,low) ((((uint64)(high))<<32)+((uint64)low))
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// Special int64 value, large enough to be never found in real life.
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// We use it in situations, when we need to indicate that parameter
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// is not defined and probably should be calculated inside of function.
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// Lower part is intentionally 0x7fffffff, not 0xffffffff, to make it
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// compatible with 32 bit int64.
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#define INT64NDF INT32TO64(0x7fffffff,0x7fffffff)
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#endif
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