reactos/lib/crtdll/mbstring/jmstojis.c

   1 #include <crtdll/mbstring.h>
   2
   3 unsigned short _mbcjmstojis(unsigned short c)
   4 {
   5   int c1, c2;
   6
   7   c2 = (unsigned char)c;
   8   c1 = c >> 8;
   9   if (c1 < 0xf0 && _ismbblead(c1) && _ismbbtrail(c2)) {
  10     if (c1 >= 0xe0)
  11       c1 -= 0x40;
  12     c1 -= 0x70;
  13     c1 <<= 1;
  14     if (c2 < 0x9f) {
  15       c1 --;
  16       c2 -= 0x1f;
  17       if (c2 >= (0x80-0x1f))
  18         c2 --;
  19     } else {
  20       c2 -= 0x7e;
  21     }
  22     return ((c1 << 8) | c2);
  23   }
  24   return 0;
  25 }