qexc.cc
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#include <qpdf/QEXC.hh>
#include <iostream>
#include <errno.h>
void do_terminate()
{
try
{
throw;
}
catch (std::exception& e)
{
std::cerr << "uncaught exception: " << e.what() << std::endl;
exit(3);
}
exit(4);
}
void f(int n)
{
switch (n)
{
case 0:
throw QEXC::General("general exception");
break;
case 1:
throw QEXC::Internal("internal error");
break;
case 2:
throw QEXC::System("doing something", EINVAL);
break;
case 3:
{
int a = -1;
new char[a];
}
break;
}
}
int main(int argc, char* argv[])
{
std::set_terminate(do_terminate);
if (argc != 2)
{
std::cerr << "usage: qexc n" << std::endl;
exit(2);
}
try
{
f(atoi(argv[1]));
}
catch (QEXC::General& e)
{
std::cerr << "exception: " << e.unparse() << std::endl;
std::cerr << "what: " << e.what() << std::endl;
exit(2);
}
return 0;
}