25 lines
587 B
C
25 lines
587 B
C
/*
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* encmacro.h
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*
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* Encoder macros
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*/
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/*
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* Returns the slot number of a match position (uses table lookup)
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*/
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#define MP_SLOT(matchpos) \
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((matchpos) < 1024 ? \
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(byte) context->enc_slot_table[(matchpos)] : \
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( (matchpos) < 524288L ? \
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(byte) 18 + (byte) context->enc_slot_table[(matchpos) >> 9] : \
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((byte) 34 + (byte) ((matchpos) >> 17)) \
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) \
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)
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/*
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* Is a given literal a match or an unmatched symbol?
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*/
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#define IsMatch(literal) (context->enc_ItemType[(literal) >> 3] & (1 << ((literal) & 7)))
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