C++ (Cpp) MORK_FILESEEKの例

コード例 #1

ファイル: morkFile.cpp プロジェクト: dualsky/FossaMail

NS_IMETHODIMP 
morkStdioFile::Seek(nsIMdbEnv* mdbev, mork_pos inPos, mork_pos *aOutPos)
{
  mork_pos outPos = 0;
  nsresult rv = NS_OK;
  morkEnv *ev = morkEnv::FromMdbEnv(mdbev);

  if ( this->IsOpenOrClosingNode() && this->FileActive() )
  {
    FILE* file = (FILE*) mStdioFile_File;
    if ( file )
    {
      long where = MORK_FILESEEK(file, inPos, SEEK_SET);
      if ( where >= 0 )
        outPos = inPos;
      else
        this->new_stdio_file_fault(ev);
    }
    else if ( mFile_Thief )
      mFile_Thief->Seek(mdbev, inPos, aOutPos);
    else
      this->NewMissingIoError(ev);
  }
  else this->NewFileDownError(ev);

  *aOutPos = outPos;
  return rv;
}

コード例 #2

ファイル: morkFile.cpp プロジェクト: alanyjw/comm-central

mork_pos 
morkStdioFile::Length(morkEnv * ev) const
{
  mork_pos outPos = 0;
  
  if ( this->IsOpenAndActiveFile() )
  {
    FILE* file = (FILE*) mStdioFile_File;
    if ( file )
    {
      long start = MORK_FILETELL(file);
      if ( start >= 0 )
      {
        long fore = MORK_FILESEEK(file, 0, SEEK_END);
        if ( fore >= 0 )
        {
          long eof = MORK_FILETELL(file);
          if ( eof >= 0 )
          {
            long back = MORK_FILESEEK(file, start, SEEK_SET);
            if ( back >= 0 )
              outPos = eof;
            else
              this->new_stdio_file_fault(ev);
          }
          else this->new_stdio_file_fault(ev);
        }
        else this->new_stdio_file_fault(ev);
      }
      else this->new_stdio_file_fault(ev);
    }
    else if ( mFile_Thief )
      mFile_Thief->Eof(ev->AsMdbEnv(), &outPos);
    else
      this->NewMissingIoError(ev);
  }
  else this->NewFileDownError(ev);

  return outPos;
}