internal.h raw

   1  #define bittab __fsmu8
   2  
   3  #include <stdint.h>
   4  #include <features.h>
   5  
   6  extern hidden const uint32_t bittab[];
   7  
   8  /* Upper 6 state bits are a negative integer offset to bound-check next byte */
   9  /*    equivalent to: ( (b-0x80) | (b+offset) ) & ~0x3f      */
  10  #define OOB(c,b) (((((b)>>3)-0x10)|(((b)>>3)+((int32_t)(c)>>26))) & ~7)
  11  
  12  /* Interval [a,b). Either a must be 80 or b must be c0, lower 3 bits clear. */
  13  #define R(a,b) ((uint32_t)((a==0x80 ? 0x40u-b : 0u-a) << 23))
  14  #define FAILSTATE R(0x80,0x80)
  15  
  16  #define SA 0xc2u
  17  #define SB 0xf4u
  18  
  19  /* Arbitrary encoding for representing code units instead of characters. */
  20  #define CODEUNIT(c) (0xdfff & (signed char)(c))
  21  #define IS_CODEUNIT(c) ((unsigned)(c)-0xdf80 < 0x80)
  22  
  23  /* Get inline definition of MB_CUR_MAX. */
  24  #include "locale_impl.h"
  25