Mercurial > octave
view libinterp/corefcn/oct-iostrm.cc @ 32046:39700c1ea93e
maint: merge stable to default
author | Rik <rik@octave.org> |
---|---|
date | Thu, 20 Apr 2023 18:59:26 -0700 |
parents | 21f9b34eb893 |
children | 2e484f9f1f18 |
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//////////////////////////////////////////////////////////////////////// // // Copyright (C) 1996-2023 The Octave Project Developers // // See the file COPYRIGHT.md in the top-level directory of this // distribution or <https://octave.org/copyright/>. // // 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 <istream> #include <ostream> #include "error.h" #include "oct-iostrm.h" OCTAVE_BEGIN_NAMESPACE(octave) // Position a stream at OFFSET relative to ORIGIN. int base_iostream::seek (off_t, int) { invalid_operation (); return -1; } // Return current stream position. off_t base_iostream::tell () { invalid_operation (); return -1; } // Return nonzero if EOF has been reached on this stream. bool base_iostream::eof () const { invalid_operation (); return false; } void base_iostream::invalid_operation () const { // Note: use ::error to get error from error.h which halts operation. ::error ("%s: invalid operation", stream_type ()); } // Return nonzero if EOF has been reached on this stream. bool istream::eof () const { return m_istream && m_istream->eof (); } octave::stream istream::create (std::istream *arg, const std::string& n) { return octave::stream (new istream (arg, n)); } // Return nonzero if EOF has been reached on this stream. bool ostream::eof () const { return m_ostream && m_ostream->eof (); } octave::stream ostream::create (std::ostream *arg, const std::string& n) { return octave::stream (new ostream (arg, n)); } OCTAVE_END_NAMESPACE(octave)