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38 lines
675 B
C++
Executable File
38 lines
675 B
C++
Executable File
#ifndef _RAR_GETBITS_
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#define _RAR_GETBITS_
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class BitInput
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{
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public:
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enum BufferSize {MAX_SIZE=0x8000};
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protected:
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int InAddr,InBit;
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public:
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BitInput();
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~BitInput();
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byte *InBuf;
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void InitBitInput()
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{
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InAddr=InBit=0;
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}
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void addbits(int Bits)
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{
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Bits+=InBit;
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InAddr+=Bits>>3;
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InBit=Bits&7;
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}
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unsigned int getbits()
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{
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unsigned int BitField=(uint)InBuf[InAddr] << 16;
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BitField|=(uint)InBuf[InAddr+1] << 8;
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BitField|=(uint)InBuf[InAddr+2];
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BitField >>= (8-InBit);
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return(BitField & 0xffff);
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}
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void faddbits(int Bits);
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unsigned int fgetbits();
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};
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#endif
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