Sqlite3 can't use datafile in Chinese path with Win2000 and WindowsXP

/* ** Convert a UTF-8 string to UTF-32. Space to hold the returned string ** is obtained from sqliteMalloc. */ static WCHAR *utf8ToUnicode(const char *zFilename){ int nChar; WCHAR *zWideFilename;

  if( !isNT() ){
   return 0;
 }
 nChar = MultiByteToWideChar(CP_THREAD_ACP, MB_COMPOSITE, zFilename, -1, NULL, 0);
 zWideFilename = sqliteMalloc( nChar*sizeof(zWideFilename[0]) );
 if( zWideFilename==0 ){
   return 0;
 }
 nChar = MultiByteToWideChar(CP_THREAD_ACP, MB_COMPOSITE, zFilename, -1, zWideFilename, nChar);
 if( nChar==0 ){
   sqliteFree(zWideFilename);
   zWideFilename = 0;
 }
 return zWideFilename;
}

/* ** Convert UTF-32 to UTF-8. Space to hold the returned string is ** obtained from sqliteMalloc(). */ static char *unicodeToUtf8(const WCHAR *zWideFilename){ int nByte; char *zFilename;

  nByte = WideCharToMultiByte(CP_THREAD_ACP, WC_COMPOSITECHECK, zWideFilename, -1, 0, 0, 0, 0);
 zFilename = sqliteMalloc( nByte );
 if( zFilename==0 ){
   return 0;
 }
 nByte = WideCharToMultiByte(CP_THREAD_ACP, WC_COMPOSITECHECK, zWideFilename, -1, zFilename, nByte,
                             0, 0);
 if( nByte == 0 ){
   sqliteFree(zFilename);
   zFilename = 0;
 }
 return zFilename;
}