11 lines
386 B
C
11 lines
386 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 & 0b11000000) == 0b10000000)
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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 < 252 ? bsr(~x & 0xff) : 1)
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#endif /* COSMOPOLITAN_LIBC_STR_THOMPIKE_H_ */
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