blob: 53d62edaffb9e1143a3f4a2aa34758b7e215ab01 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/*
* 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>
#ifdef __PIC__
__attribute__((__visibility__("hidden")))
#endif
extern const uint32_t bittab[];
/* 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
/* Arbitrary encoding for representing code units instead of characters. */
#define CODEUNIT(c) (0xdfff & (signed char)(c))
#define IS_CODEUNIT(c) ((unsigned)(c)-0xdf80 < 0x80)
/* Get inline definition of MB_CUR_MAX. */
#include "locale_impl.h"
|
