libutf.h

   1 #ifndef LIBUTF_H
   2 #define LIBUTF_H
   3
   4 /* libutf8 © 2012-2015 Connor Lane Smith <cls@lubutu.com> */
   5 #include <stddef.h>
   6 #include <stdint.h>
   7
   8 #if __STDC_VERSION__ >= 201112L
   9 #include <uchar.h>
  10 #ifdef __STDC_UTF_32__
  11 #define RUNE_C INT32_C
  12 typedef char32_t Rune;
  13 #endif
  14 #endif
  15
  16 #ifndef RUNE_C
  17 #ifdef INT32_C
  18 #define RUNE_C INT32_C
  19 typedef uint_least32_t Rune;
  20 #else
  21 #define RUNE_C(x) x##L
  22 typedef unsigned long Rune;
  23 #endif
  24 #endif
  25
  26 #define UTFmax 4 /* maximum bytes per rune */
  27
  28 #define Runeself 0x80             /* rune and utf are equal (<) */
  29 #define Runemax  RUNE_C(0x10FFFF) /* maximum rune value */
  30
  31 int runelen(Rune r);
  32 int runetochar(char *s, const Rune *p);
  33
  34 #endif