Mercurial > octave-nkf
view src/oct-fstrm.cc @ 14171:2ced2f59f523 stable
doc: miscellaneous documentation improvements
* aspell-octave.en.pws: Add new words to spelling dictionary.
* expr.txi: Use hyphens in "element-by-element" construction.
* install.txi: Miscellaneous docstring improvements.
* mk_undocumented_list: Update script.
* xlim.m: Add ylim and zlim to function index.
* data.cc: Add inf and nan to to function index.
* file-io.cc: Add octave_tmp_file_name to function index.
Expand docstring for SEEK_CUR and SEEK_END.
* help.cc: Miscellaneous docstring improvements.
* syscalls.cc: Improve docstrings for F_XXXX series of functions.
author | Rik <octave@nomad.inbox5.com> |
---|---|
date | Sun, 08 Jan 2012 13:39:44 -0800 |
parents | 72c96de7a403 |
children |
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/* Copyright (C) 1996-2012 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 <cerrno> #include <cstring> #include "error.h" #include "oct-fstrm.h" octave_stream octave_fstream::create (const std::string& nm_arg, std::ios::openmode arg_md, oct_mach_info::float_format ff) { return octave_stream (new octave_fstream (nm_arg, arg_md, ff)); } octave_fstream::octave_fstream (const std::string& nm_arg, std::ios::openmode arg_md, oct_mach_info::float_format ff) : octave_base_stream (arg_md, ff), nm (nm_arg) { #if CXX_ISO_COMPLIANT_LIBRARY fs.open (nm.c_str (), arg_md); #else // Override default protection of 0664 so that umask will appear to // do the right thing. fs.open (nm.c_str (), arg_md, 0666); #endif if (! fs) error (gnulib::strerror (errno)); } // Position a stream at OFFSET relative to ORIGIN. int octave_fstream::seek (long, int) { error ("fseek: invalid_operation"); return -1; } // Return current stream position. long octave_fstream::tell (void) { error ("ftell: invalid_operation"); return -1; } // Return non-zero if EOF has been reached on this stream. bool octave_fstream::eof (void) const { return fs.eof (); } void octave_fstream::do_close (void) { fs.close (); } std::istream * octave_fstream::input_stream (void) { std::istream *retval = 0; if (mode () & std::ios::in) retval = &fs; return retval; } std::ostream * octave_fstream::output_stream (void) { std::ostream *retval = 0; if (mode () & std::ios::out) retval = &fs; return retval; }