spot/bin/common_file.cc
Alexandre Duret-Lutz e97ea5fa74 bin: diagnose more write errors
* tests/core/full.test: New file.
* tests/Makefile.am: Add it.
* bin/autfilt.cc, bin/common_aoutput.cc, bin/common_aoutput.hh,
bin/common_file.cc, bin/common_file.hh, bin/genltl.cc, bin/ltlcross.cc,
bin/ltlfilt.cc, bin/ltlgrind.cc, bin/randltl.cc: Add diagnostics.
* NEWS: Mention the fix.
2016-08-14 18:18:20 +02:00

56 lines
1.6 KiB
C++

// -*- coding: utf-8 -*-
// Copyright (C) 2015, 2016 Laboratoire de Recherche et Développement de
// l'Epita (LRDE).
//
// This file is part of Spot, a model checking library.
//
// Spot 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.
//
// Spot 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 this program. If not, see <http://www.gnu.org/licenses/>.
#include "common_file.hh"
#include <error.h>
#include <iostream>
output_file::output_file(const char* name)
{
std::ios_base::openmode mode = std::ios_base::trunc;
if (name[0] == '>' && name[1] == '>')
{
mode = std::ios_base::app;
append_ = true;
name += 2;
}
if (name[0] == '-' && name[1] == 0)
{
os_ = &std::cout;
return;
}
of_ = new std::ofstream(name, mode);
if (!*of_)
error(2, errno, "cannot open '%s'", name);
os_ = of_;
}
void output_file::close(const std::string& name)
{
// We close of_, not os_, so that we never close std::cout.
if (os_)
os_->flush();
if (of_)
of_->close();
if (os_ && !*os_)
error(2, 0, "error writing to %s",
(name == "-") ? "standard output" : name.c_str());
}