12 lines
450 B
C
12 lines
450 B
C
#ifndef COSMOPOLITAN_LIBC_STR_THOMPIKE_H_
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#define COSMOPOLITAN_LIBC_STR_THOMPIKE_H_
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#include "libc/nexgen32e/bsr.h"
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#define ThomPikeCont(x) (((x)&0300) == 0200)
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#define ThomPikeByte(x) ((x) & (((1 << ThomPikeMsb(x)) - 1) | 3))
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#define ThomPikeLen(x) (7 - ThomPikeMsb(x))
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#define ThomPikeMsb(x) (((x)&0xff) < 252 ? bsr(~(x)&0xff) : 1)
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#define ThomPikeMerge(x, y) ((x) << 6 | (y)&077)
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#endif /* COSMOPOLITAN_LIBC_STR_THOMPIKE_H_ */
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