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fix undefined left-shift of negative values in utf-8 state table

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Rich Felker
2015-07-25 03:15:45 +00:00
parent 57243b3021
commit fe7582f4f9
1 changed files with 1 additions and 1 deletions
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src/multibyte/internal.h
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@@ -18,7 +18,7 @@ extern const uint32_t bittab[];
#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 R(a,b) ((uint32_t)((a==0x80 ? 0x40u-b : 0u-a) << 23))
#define FAILSTATE R(0x80,0x80)
#define SA 0xc2u