reactos/lib/crtdll/old cruft/mbstring/mbclen.c

   1 #include <msvcrt/mbstring.h>
   2 #include <msvcrt/stdlib.h>
   3
   4
   5 /*
   6  * @implemented
   7  */
   8 size_t _mbclen(const unsigned char *s)
   9 {
  10         return (_ismbblead(*s>>8) && _ismbbtrail(*s&0x00FF)) ? 2 : 1;
  11 }
  12
  13 size_t _mbclen2(const unsigned int s)
  14 {
  15         return (_ismbblead(s>>8) && _ismbbtrail(s&0x00FF)) ? 2 : 1;
  16 }
  17
  18 /*
  19  * assume MB_CUR_MAX == 2
  20  *
  21  * @implemented
  22  */
  23 int mblen( const char *s, size_t count )
  24 {
  25         size_t l;
  26         if ( s == NULL )
  27                 return 0;
  28
  29         l =  _mbclen(s);
  30         if ( l < count )
  31                 return -1;
  32         return l;
  33 }