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/* This file is part of the GNU plotutils package. Copyright (C) 1995,
1996, 1997, 1998, 1999, 2000, 2005, 2008, Free Software Foundation, Inc.
The GNU plotutils package is free software. You may redistribute it
and/or modify it under the terms of the GNU General Public License as
published by the Free Software foundation; either version 2, or (at your
option) any later version.
The GNU plotutils package 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 the GNU plotutils package; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin St., Fifth Floor,
Boston, MA 02110-1301, USA. */
/* This file contains the outfile method, which is a GNU extension to
libplot. It selects an output stream for all subsequent plot commands.
The outfile method may only be invoked outside an openpl()...closepl()
pair. */
/* THIS METHOD IS NOW DEPRECATED. IT WILL SOON GO AWAY. */
#include "sys-defines.h"
#include "extern.h"
/* outfile takes a single argument, a stream that has been opened for
writing. It may be called only outside an openpl()....closepl() pair.
It switches all future output to the new, specified stream. The old
output stream, which is not closed, is returned. */
FILE *
_API_outfile(R___(Plotter *_plotter) FILE *outfile)
{
FILE *oldoutfile;
if (_plotter->data->open)
{
_plotter->error (R___(_plotter)
"outfile: invalid operation");
return (FILE *)NULL;
}
oldoutfile = _plotter->data->outfp;
_plotter->data->outfp = outfile;
#ifdef LIBPLOTTER
_plotter->data->outstream = NULL;
#endif
_plotter->data->page_number = 0; /* reset */
return oldoutfile;
}
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