lib/crtdll/mbstring/mbsnccnt.c

   1 #include <msvcrt/mbstring.h>
   2
   3 /*
   4  * @implemented
   5  */
   6 size_t _mbsnccnt(const unsigned char *str, size_t n)
   7 {
   8         unsigned char *s = (unsigned char *)str;
   9         size_t cnt = 0;
  10         while(*s != 0 && n > 0) {
  11                 if (_ismbblead(*s) )
  12                         s++;
  13                 else
  14                         n--;
  15                 s++;
  16                 cnt++;
  17         }
  18
  19         return cnt;
  20 }
  21
  22 /*
  23  * @implemented
  24  */
  25 size_t _mbsnbcnt(const unsigned char *str, size_t n)
  26 {
  27         unsigned char *s = (unsigned char *)str;
  28         while(*s != 0 && n > 0) {
  29                 if (!_ismbblead(*s) )
  30                         n--;
  31                 s++;
  32         }
  33
  34         return (size_t)(s - str);
  35 }