🚀 go-pugleaf

Hali!

I have a 'small' problem. My code download the files with HTTP, but i can't
read the file size. If somebody can help, please write.

Becze Tibor

int InternetHttpDownLoad(HWND hwndProgressbar, HWND hwndSay, char *cURL,
char *cOutFile){
  int iRet;
  HINTERNET hINet, hFile;
  hINet = InternetOpen("InetURL/1.0", INTERNET_OPEN_TYPE_PRECONFIG, NULL,
NULL, 0 );
  if (hINet) {
    hFile = InternetOpenUrl(hINet, cURL, NULL, 0, 0, 0);
    if (hFile) {
      DWORD NumberOfBytesAvailable = 0;



      iRet = InternetQueryDataAvailable(hFile, &NumberOfBytesAvailable,
NULL, NULL);    //  it is my problem NumberOfBytesAvailable variable is not
valid.



      if (iRet){
        long lMax = 1000000;  // i changed NumberOfBytesAvailable -> lMax
because work.
        char *buffer = new char[lMax];
        char cTmp[MAX_PATH];
        DWORD lCurPos = 0, lPercent;
        DWORD dwRead;
        if (hwndProgressbar){
          SendMessage(hwndProgressbar, PBM_SETRANGE, 0, MAKELPARAM(0, 100));
          SendMessage(hwndProgressbar, PBM_SETPOS, 0, 0);
        }
        if (hwndSay){
          SendMessage(hwndSay, WM_SETTEXT, 0, (LONG)cURL);
        }
        iRet = InternetReadFile(hFile, &buffer[lCurPos], 1024, &dwRead);
        while (iRet && dwRead > 0 && lCurPos < lMax- 1024) {
          lCurPos += dwRead;
          if (hwndProgressbar){
            lPercent = lCurPos* 100/ NumberOfBytesAvailable;
            SendMessage(hwndProgressbar, PBM_SETPOS, lPercent, 0);
          }
          if (hwndSay){
            sprintf(cTmp, "%s - %ld", cURL, lCurPos);
            SendMessage(hwndSay, WM_SETTEXT, 0, (LONG)cTmp);
          }
          iRet = InternetReadFile(hFile, &buffer[lCurPos], 1024, &dwRead);
        }
/*
        files fOut(cOutFile);
        iRet = fOut.Open(GENERIC_WRITE, FILE_SHARE_READ|FILE_SHARE_WRITE,
CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL|FILE_FLAG_RANDOM_ACCESS);
        if (iRet){
          unsigned long WriteByte;
          iRet = fOut.Write(buffer, lCurPos, &WriteByte);
          fOut.Close();
        }
*/
        delete [] buffer;
      }
      InternetCloseHandle(hFile);
    } else {
      iRet = false;
    }
    InternetCloseHandle(hINet);
  } else {
    iRet = false;
  }
  return iRet;
}