procstream.cc

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/*

Copyright (C) 1993-2018 John W. Eaton

This file is part of Octave.

Octave is free software: you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

Octave is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with Octave; see the file COPYING.  If not, see
<https://www.gnu.org/licenses/>.

*/

#if defined (HAVE_CONFIG_H)
#  include "config.h"
#endif

#include <iostream>

#include "procstream.h"

procstreambase::procstreambase (const std::string& command, int mode)
{
  pb_init ();

  if (! pb.open (command.c_str (), mode))
    std::ios::setstate (std::ios::badbit);
}

procstreambase::procstreambase (const char *command, int mode)
{
  pb_init ();

  if (! pb.open (command, mode))
    std::ios::setstate (std::ios::badbit);
}

void
procstreambase::open (const char *command, int mode)
{
  clear ();

  if (! pb.open (command, mode))
    std::ios::setstate (std::ios::badbit);
}

int
procstreambase::close (void)
{
  int status = 0;

  if (is_open ())
    {
      if (! pb.close ())
        std::ios::setstate (std::ios::failbit);

      status = pb.wait_status ();
    }

  return status;
}