gem5/base/output.cc

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/*
* Copyright (c) 2005 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <errno.h>
#include <limits.h>
#include <stdlib.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <fstream>
#include "base/misc.hh"
#include "base/output.hh"
using namespace std;
OutputDirectory simout;
/**
*
*/
OutputDirectory::OutputDirectory()
{}
OutputDirectory::~OutputDirectory()
{}
void
OutputDirectory::setDirectory(const string &d)
{
if (!dir.empty())
panic("Output directory already set!\n");
dir = d;
if (dir != ".") {
if (mkdir(dir.c_str(), 0777) < 0 && errno != EEXIST)
panic("couldn't make output dir %s: %s\n",
dir, strerror(errno));
}
// guarantee that directory ends with a '/'
if (dir[dir.size() - 1] != '/')
dir += "/";
}
const string &
OutputDirectory::directory()
{
if (dir.empty())
panic("Output directory not set!");
return dir;
}
string
OutputDirectory::resolve(const string &name)
{
return (name[0] != '/') ? dir + name : name;
}
ostream *
OutputDirectory::create(const string &name)
{
if (name == "cerr" || name == "stderr")
return &cerr;
if (name == "cout" || name == "stdout")
return &cout;
ofstream *file = new ofstream(resolve(name).c_str(), ios::trunc);
if (!file->is_open())
panic("Cannot open file %s", name);
return file;
}
ostream *
OutputDirectory::find(const string &name)
{
if (name == "cerr" || name == "stderr")
return &cerr;
if (name == "cout" || name == "stdout")
return &cout;
string filename = resolve(name);
map_t::iterator i = files.find(filename);
if (i != files.end())
return (*i).second;
ofstream *file = new ofstream(filename.c_str(), ios::trunc);
if (!file->is_open())
panic("Cannot open file %s", filename);
files[filename] = file;
return file;
}
bool
OutputDirectory::isFile(const std::ostream *os)
{
return os && os != &cerr && os != &cout;
}