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| 1 /* | 1 /* | 
| 2  * This code was written by Rich Felker in 2010; no copyright is claimed. | 2  * This code was written by Rich Felker in 2010; no copyright is claimed. | 
| 3  * This code is in the public domain. Attribution is appreciated but | 3  * This code is in the public domain. Attribution is appreciated but | 
| 4  * unnecessary. | 4  * unnecessary. | 
| 5  */ | 5  */ | 
| 6 | 6 | 
| 7 #include "internal.h" | 7 #include "internal.h" | 
| 8 | 8 | 
| 9 #define C(x) ( x<2 ? -1 : ( R(0x80,0xc0) | x ) ) | 9 #define C(x) (x < 2 ? -1 : (R(0x80, 0xc0) | x)) | 
| 10 #define D(x) C((x+16)) | 10 #define D(x) C((x + 16)) | 
| 11 #define E(x) ( ( x==0 ? R(0xa0,0xc0) : \ | 11 #define E(x)                                                             \ | 
| 12                  x==0xd ? R(0x80,0xa0) : \ | 12   ((x == 0 ? R(0xa0, 0xc0) : x == 0xd ? R(0x80, 0xa0) : R(0x80, 0xc0)) | \ | 
| 13                  R(0x80,0xc0) ) \ | 13    (R(0x80, 0xc0) >> 6) | x) | 
| 14              | ( R(0x80,0xc0) >> 6 ) \ | 14 #define F(x)                                                        \ | 
| 15              | x ) | 15   ((x >= 5 ? 0 : x == 0 ? R(0x90, 0xc0) : x == 4 ? R(0x80, 0xa0)    \ | 
| 16 #define F(x) ( ( x>=5 ? 0 : \ | 16                                                  : R(0x80, 0xc0)) | \ | 
| 17                  x==0 ? R(0x90,0xc0) : \ | 17    (R(0x80, 0xc0) >> 6) | (R(0x80, 0xc0) >> 12) | x) | 
| 18                  x==4 ? R(0x80,0xa0) : \ |  | 
| 19                  R(0x80,0xc0) ) \ |  | 
| 20              | ( R(0x80,0xc0) >> 6 ) \ |  | 
| 21              | ( R(0x80,0xc0) >> 12 ) \ |  | 
| 22              | x ) |  | 
| 23 | 18 | 
| 24 const uint32_t bittab[] = { | 19 const uint32_t bittab[] = { | 
| 25 »                     C(0x2),C(0x3),C(0x4),C(0x5),C(0x6),C(0x7), | 20     C(0x2), C(0x3), C(0x4), C(0x5), C(0x6), C(0x7), C(0x8), C(0x9), C(0xa), | 
| 26 »       C(0x8),C(0x9),C(0xa),C(0xb),C(0xc),C(0xd),C(0xe),C(0xf), | 21     C(0xb), C(0xc), C(0xd), C(0xe), C(0xf), D(0x0), D(0x1), D(0x2), D(0x3), | 
| 27 »       D(0x0),D(0x1),D(0x2),D(0x3),D(0x4),D(0x5),D(0x6),D(0x7), | 22     D(0x4), D(0x5), D(0x6), D(0x7), D(0x8), D(0x9), D(0xa), D(0xb), D(0xc), | 
| 28 »       D(0x8),D(0x9),D(0xa),D(0xb),D(0xc),D(0xd),D(0xe),D(0xf), | 23     D(0xd), D(0xe), D(0xf), E(0x0), E(0x1), E(0x2), E(0x3), E(0x4), E(0x5), | 
| 29 »       E(0x0),E(0x1),E(0x2),E(0x3),E(0x4),E(0x5),E(0x6),E(0x7), | 24     E(0x6), E(0x7), E(0x8), E(0x9), E(0xa), E(0xb), E(0xc), E(0xd), E(0xe), | 
| 30 »       E(0x8),E(0x9),E(0xa),E(0xb),E(0xc),E(0xd),E(0xe),E(0xf), | 25     E(0xf), F(0x0), F(0x1), F(0x2), F(0x3), F(0x4)}; | 
| 31 »       F(0x0),F(0x1),F(0x2),F(0x3),F(0x4) |  | 
| 32 }; |  | 
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