xref: /aosp_15_r20/external/musl/src/multibyte/internal.h (revision c9945492fdd68bbe62686c5b452b4dc1be3f8453)
1*c9945492SAndroid Build Coastguard Worker #define bittab __fsmu8
2*c9945492SAndroid Build Coastguard Worker 
3*c9945492SAndroid Build Coastguard Worker #include <stdint.h>
4*c9945492SAndroid Build Coastguard Worker #include <features.h>
5*c9945492SAndroid Build Coastguard Worker 
6*c9945492SAndroid Build Coastguard Worker extern hidden const uint32_t bittab[];
7*c9945492SAndroid Build Coastguard Worker 
8*c9945492SAndroid Build Coastguard Worker /* Upper 6 state bits are a negative integer offset to bound-check next byte */
9*c9945492SAndroid Build Coastguard Worker /*    equivalent to: ( (b-0x80) | (b+offset) ) & ~0x3f      */
10*c9945492SAndroid Build Coastguard Worker #define OOB(c,b) (((((b)>>3)-0x10)|(((b)>>3)+((int32_t)(c)>>26))) & ~7)
11*c9945492SAndroid Build Coastguard Worker 
12*c9945492SAndroid Build Coastguard Worker /* Interval [a,b). Either a must be 80 or b must be c0, lower 3 bits clear. */
13*c9945492SAndroid Build Coastguard Worker #define R(a,b) ((uint32_t)((a==0x80 ? 0x40u-b : 0u-a) << 23))
14*c9945492SAndroid Build Coastguard Worker #define FAILSTATE R(0x80,0x80)
15*c9945492SAndroid Build Coastguard Worker 
16*c9945492SAndroid Build Coastguard Worker #define SA 0xc2u
17*c9945492SAndroid Build Coastguard Worker #define SB 0xf4u
18*c9945492SAndroid Build Coastguard Worker 
19*c9945492SAndroid Build Coastguard Worker /* Arbitrary encoding for representing code units instead of characters. */
20*c9945492SAndroid Build Coastguard Worker #define CODEUNIT(c) (0xdfff & (signed char)(c))
21*c9945492SAndroid Build Coastguard Worker #define IS_CODEUNIT(c) ((unsigned)(c)-0xdf80 < 0x80)
22*c9945492SAndroid Build Coastguard Worker 
23*c9945492SAndroid Build Coastguard Worker /* Get inline definition of MB_CUR_MAX. */
24*c9945492SAndroid Build Coastguard Worker #include "locale_impl.h"
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