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/*=========================================================================
Program: Visualization Toolkit
Module: SystemInformation.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME Test to print system information useful for remote debugging.
// .SECTION Description
// Remote dashboard debugging often requires access to the
// CMakeCache.txt file. This test will display the file.
#include "vtkDebugLeaks.h"
#include <sys/stat.h>
#include <string>
void vtkSystemInformationPrintFile(const char* name, ostream& os)
{
os << "================================================================\n";
struct stat fs;
if(stat(name, &fs) != 0)
{
os << "The file \"" << name << "\" does not exist.\n";
return;
}
#ifdef _WIN32
ifstream fin(name, ios::in | ios::binary);
#else
ifstream fin(name, ios::in);
#endif
if(fin)
{
os << "Contents of \"" << name << "\":\n";
os << "----------------------------------------------------------------\n";
const int bufferSize = 4096;
char buffer[bufferSize];
// This copy loop is very sensitive on certain platforms with
// slightly broken stream libraries (like HPUX). Normally, it is
// incorrect to not check the error condition on the fin.read()
// before using the data, but the fin.gcount() will be zero if an
// error occurred. Therefore, the loop should be safe everywhere.
while(fin)
{
fin.read(buffer, bufferSize);
if(fin.gcount())
{
os.write(buffer, fin.gcount());
}
}
os.flush();
}
else
{
os << "Error opening \"" << name << "\" for reading.\n";
}
}
int TestSystemInformation(int argc, char* argv[])
{
if(argc != 2)
{
cerr << "Usage: TestSystemInformation <top-of-build-tree>\n";
return 1;
}
std::string build_dir = argv[1];
build_dir += "/";
const char* files[] =
{
"CMakeCache.txt",
"CMakeFiles/CMakeError.log",
"Common/Core/vtkConfigure.h",
"Common/Core/vtkToolkits.h",
"VTKConfig.cmake",
"Testing/Temporary/ConfigSummary.txt",
0
};
cout << "CTEST_FULL_OUTPUT (Avoid ctest truncation of output)" << endl;
for(const char** f = files; *f; ++f)
{
std::string fname = build_dir + *f;
vtkSystemInformationPrintFile(fname.c_str(), cout);
}
return 0;
}
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