Function getwstr

Libraries/unrar/consio.cpp:227–267

#ifndef SILENT
bool getwstr(wchar *str,size_t n)
{
  // Print buffered prompt title function before waiting for input.
  fflush(stderr);

  *str=0;
#if defined(_WIN_ALL)
  // fgetws does not work well with non-English text in Windows,
  // so we do not use it.
  if (StdinRedirected) // ReadConsole does not work if redirected.
  {
    // fgets does not work well with pipes in Windows in our test.
    // Let's use files.
    Array<char> StrA(n*4); // Up to 4 UTF-8 characters per wchar_t.
    File SrcFile;
    SrcFile.SetHandleType(FILE_HANDLESTD);
    int ReadSize=SrcFile.Read(&StrA[0],StrA.Size()-1);
    if (ReadSize<=0)
    {
      // Looks like stdin is a null device. We can enter to infinite loop
      // calling Ask(), so let's better exit.
      ErrHandler.Exit(RARX_USERBREAK);
    }
    StrA[ReadSize]=0;
    CharToWide(&StrA[0],str,n);
    cleandata(&StrA[0],StrA.Size()); // We can use this function to enter passwords.
  }
  else
  {
    DWORD ReadSize=0;
    if (ReadConsole(GetStdHandle(STD_INPUT_HANDLE),str,DWORD(n-1),&ReadSize,NULL)==0)
      return false;
    str[ReadSize]=0;
  }
#else
  if (fgetws(str,n,stdin)==NULL)
    ErrHandler.Exit(RARX_USERBREAK); // Avoid infinite Ask() loop.
#endif
  RemoveLF(str);
  return true;
}
#endif