ltkx

GUI toolkit for X11 (old)
git clone git://lumidify.org/ltkx.git (fast, but not encrypted)
git clone https://lumidify.org/ltkx.git (encrypted, but very slow)
git clone git://4kcetb7mo7hj6grozzybxtotsub5bempzo4lirzc3437amof2c2impyd.onion/ltkx.git (over tor)
Log | Files | Refs | README | LICENSE

utf8_new.c (525B)

      1 /* is c the start of a utf8 sequence? */
      2 #define isutf(c) (((c)&0xC0)!=0x80)
      3 
      4 static const uint32_t offsetsFromUTF8[6] = {
      5     0x00000000UL, 0x00003080UL, 0x000E2080UL,
      6     0x03C82080UL, 0xFA082080UL, 0x82082080UL
      7 };
      8 
      9 /* next character without NUL character terminator */
     10 uint32_t u8_nextmemchar(const char *s, size_t *i)
     11 {
     12     uint32_t ch = 0;
     13     size_t sz = 0;
     14     do {
     15         ch <<= 6;
     16         ch += (unsigned char)s[(*i)++];
     17         sz++;
     18     } while (!isutf(s[*i]));
     19     ch -= offsetsFromUTF8[sz-1];
     20 
     21     return ch;
     22 }