private void InsSort(int _lena)
{
int k, j;
string key_tmp, key_ar;
bool eoc;
for (k = 1; k < _lena; k++)
{
tmpCar = arCars[k];
key_tmp = tmpCar.S.ToString("D3") + tmpCar.V.ToString("0.0");
j = k - 1;
eoc = false;
while (!eoc)
{
key_ar = arCars[j].S.ToString("D3") + arCars[j].V.ToString("0.0");
if (String.Compare(key_ar, key_tmp) <= 0)
{
eoc = true;
}
else
{
arCars[j + 1] = arCars[j];
j = j - 1;
if (j < 0)
{
eoc = true;
}
}
}
arCars[j + 1] = tmpCar;
}
}
public unsafe void FileSort(string _fn)
{
int i, j, k; /* + */
int flen;
string key_tmp, key_ar; /* + */
bool eoc; /* + */
string s; // is not used.
CFileMngm.TbCars *bCars = stackalloc CFileMngm.TbCars[1];
byte[] bbCars = new byte[sizeof(CFileMngm.TbCars)];
CFileMngm.TbCars tmpCar;
//Load file to array
FileStream fCars = File.OpenRead(_fn);
flen = (Int32)fCars.Length / sizeof(CFileMngm.TbCars);
CFileMngm.TbCars[] arCars = new CFileMngm.TbCars[flen];
for (i = 0; i < flen; i++)
{
fCars.Read(bbCars, 0, bbCars.Length);
Marshal.Copy(bbCars, 0, (IntPtr)bCars, bbCars.Length);
arCars[i] = bCars[0];
}
//Sort array
for (i = 1; i < flen; i++) /* + */ // begin with the second one
{
tmpCar = arCars[i]; /* + */ // chose it
key_tmp = tmpCar.S.ToString("D3"); // key field Speed
for (k = 0; k < 30; k++)
{
key_tmp = key_tmp + tmpCar.Mark[k].ToString();
}
key_tmp = key_tmp + tmpCar.V.ToString("0.0");
j = i - 1; /* + */ // artificially generated an index of the previous one
eoc = false; /* + */ // falsed end of circle
while (!eoc) /* + */ // check
{
key_ar = arCars[j].S.ToString("D3"); // next
bCars[0] = arCars[j]; // removed to the buffer
for (k = 0; k < 30; k++)
{
key_ar = key_ar + bCars->Mark[k].ToString(); // chose the record with field and the key field
}
key_ar = key_ar + arCars[j].V.ToString("0.0"); // and added it the next key field
if (String.Compare(key_ar, key_tmp) <= 0) /* + */ // аналог A[j] < tmp
{
eoc = true; /* + */
}
else /* + */
{
arCars[j + 1] = arCars[j]; /* + */
j = j - 1; /* + */
if (j < 0)
{
eoc = true;
}
}
}
arCars[j + 1] = tmpCar; /* + */
}
fCars.Close();
fCars = File.OpenWrite(_fn);
for (i = 0; i < flen; i++)
{
bCars[0] = arCars[i];
Marshal.Copy((IntPtr)bCars, bbCars, 0, bbCars.Length);
fCars.Write(bbCars, 0, bbCars.Length);
}
fCars.Close();
}
