| /* |
| * 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. |
| */ |
| |
| #define bittab __fsmu8 |
| |
| #include <stdint.h> |
| #include "libc.h" |
| |
| extern const uint32_t bittab[] ATTR_LIBC_VISIBILITY; |
| |
| /* Upper 6 state bits are a negative integer offset to bound-check next byte */ |
| /* equivalent to: ( (b-0x80) | (b+offset) ) & ~0x3f */ |
| #define OOB(c,b) (((((b)>>3)-0x10)|(((b)>>3)+((int32_t)(c)>>26))) & ~7) |
| |
| /* Interval [a,b). Either a must be 80 or b must be c0, lower 3 bits clear. */ |
| #define R(a,b) ((uint32_t)((a==0x80 ? 0x40-b : -a) << 23)) |
| #define FAILSTATE R(0x80,0x80) |
| |
| #define SA 0xc2u |
| #define SB 0xf4u |
