view libinterp/corefcn/oct-strstrm.cc @ 18518:0bdecd41b2dd stable

correctly size fread result (bug #41648) * oct-stream.cc (octave_base_stream::read): When reading to EOF, don't add extra column to the result matrix if the number of elements found is an exact multiple of the number of rows requested. Avoid mixed signed/unsigned comparisons. * io.tst: New tests.
author John W. Eaton <jwe@octave.org>
date Sat, 22 Feb 2014 13:06:18 -0500
parents d63878346099
children 4197fc428c7d
line wrap: on
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/*

Copyright (C) 1996-2013 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
<http://www.gnu.org/licenses/>.

*/

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include "oct-strstrm.h"

// Position a stream at OFFSET relative to ORIGIN.

int
octave_base_strstream::seek (off_t, int)
{
  error ("fseek: invalid operation");
  return -1;
}

// Return current stream position.

off_t
octave_base_strstream::tell (void)
{
  error ("ftell: invalid operation");
  return -1;
}

octave_stream
octave_istrstream::create (const char *data, std::ios::openmode arg_md,
                           oct_mach_info::float_format flt_fmt)
{
  return octave_stream (new octave_istrstream (data, arg_md, flt_fmt));
}

octave_stream
octave_istrstream::create (const std::string& data, std::ios::openmode arg_md,
                           oct_mach_info::float_format flt_fmt)
{
  return octave_stream (new octave_istrstream (data, arg_md, flt_fmt));
}

octave_stream
octave_ostrstream::create (std::ios::openmode arg_md,
                           oct_mach_info::float_format flt_fmt)
{
  return octave_stream (new octave_ostrstream (arg_md, flt_fmt));
}