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// Some libraries define HOST_NOT_FOUND. Make sure we can still compile fine
// even if this is the case:
#define HOST_NOT_FOUND 1
#include <giomm.h>
#include <iostream>
#include <string.h>
//Use this line if you want debug output:
//std::ostream& ostr = std::cout;
//This seems nicer and more useful than putting an ifdef around the use of ostr:
std::stringstream debug;
std::ostream& ostr = debug;
// This is just to test a workaround in the error.h header. We save and #undef
// HOST_NOT_FOUND if it was defined by another header, and then restore it at
// the end of the header. Here I'm just making sure that our temporary value
// doesn't remain set
#ifdef GIOMM_SAVED_HOST_NOT_FOUND
#error Forgot to #undef GIOMM_SAVED_HOST_NOT_FOUND
#endif
int main(int, char**)
{
Glib::init();
Gio::init();
try
{
Glib::RefPtr<Gio::File> file = Gio::File::create_for_path("/etc/fstab");
if(!file)
{
std::cerr << "Gio::File::create_for_path() returned an empty RefPtr." << std::endl;
return EXIT_FAILURE;
}
Glib::RefPtr<Gio::FileInputStream> stream = file->read();
if(!stream)
{
std::cerr << "Gio::File::read() returned an empty RefPtr." << std::endl;
return EXIT_FAILURE;
}
gchar buffer[1000]; //TODO: This is unpleasant.
memset(buffer, 0, sizeof buffer);
const gsize bytes_read = stream->read(buffer, sizeof buffer - 1);
if(bytes_read)
ostr << "File contents read: " << buffer << std::endl;
else
{
std::cerr << "Gio::InputStream::read() read 0 bytes." << std::endl;
return EXIT_FAILURE;
}
}
catch(const Gio::Error& ex)
{
//This is just here to check that HOST_WAS_NOT_FOUND is still in our API,
//because we hack it into our gio_enums.defs file and there is a risk of
//losing it when we regenerate that file. murrayc.
if(ex.code() == Gio::Error::HOST_WAS_NOT_FOUND)
{
std::cerr << "Host was not found." << std::endl;
}
else
std::cerr << "Gio::Error exception caught: " << ex.what() << std::endl;
}
catch(const Glib::Exception& ex)
{
std::cerr << "Exception caught: " << ex.what() << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}
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