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
12 __attribute__((__visibility__("hidden")))
14 extern const uint32_t bittab[];
16 /* Upper 6 state bits are a negative integer offset to bound-check next byte */
17 /* equivalent to: ( (b-0x80) | (b+offset) ) & ~0x3f */
18 #define OOB(c,b) (((((b)>>3)-0x10)|(((b)>>3)+((int32_t)(c)>>26))) & ~7)
20 /* Interval [a,b). Either a must be 80 or b must be c0, lower 3 bits clear. */
21 #define R(a,b) ((uint32_t)((a==0x80 ? 0x40u-b : 0u-a) << 23))
22 #define FAILSTATE R(0x80,0x80)
27 /* Arbitrary encoding for representing code units instead of characters. */
28 #define CODEUNIT(c) (0xdfff & (signed char)(c))
29 #define IS_CODEUNIT(c) ((unsigned)(c)-0xdf80 < 0x80)
31 /* Get inline definition of MB_CUR_MAX. */
32 #include "locale_impl.h"