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/* * This code was written by Rich Felker in 2010; no copyright is claimed. * This code is in the public domain. Attribution is appreciated but * unnecessary. */ #include "internal.h" #define C(x) ( x<2 ? -1 : ( R(0x80,0xc0) | x ) ) #define D(x) C((x+16)) #define E(x) ( ( x==0 ? R(0xa0,0xc0) : \ x==0xd ? R(0x80,0xa0) : \ R(0x80,0xc0) ) \ | ( R(0x80,0xc0) >> 6 ) \ | x ) #define F(x) ( ( x>=5 ? 0 : \ x==0 ? R(0x90,0xc0) : \ x==4 ? R(0x80,0xa0) : \ R(0x80,0xc0) ) \ | ( R(0x80,0xc0) >> 6 ) \ | ( R(0x80,0xc0) >> 12 ) \ | x ) const uint32_t bittab[] = { C(0x2),C(0x3),C(0x4),C(0x5),C(0x6),C(0x7), C(0x8),C(0x9),C(0xa),C(0xb),C(0xc),C(0xd),C(0xe),C(0xf), D(0x0),D(0x1),D(0x2),D(0x3),D(0x4),D(0x5),D(0x6),D(0x7), D(0x8),D(0x9),D(0xa),D(0xb),D(0xc),D(0xd),D(0xe),D(0xf), E(0x0),E(0x1),E(0x2),E(0x3),E(0x4),E(0x5),E(0x6),E(0x7), E(0x8),E(0x9),E(0xa),E(0xb),E(0xc),E(0xd),E(0xe),E(0xf), F(0x0),F(0x1),F(0x2),F(0x3),F(0x4) }; |