numbering game: guess a value
It was a short contest in IRC. Write a numbering game.
Anyway, i have lost: The winner realized it in 12 lines.
committer: Markus Bröker <mbroeker@largo.homelinux.org>
/**
* bad_alloc.cc
* Copyright (C) 2008 Markus Broeker
*/
#include <iostream>
#include <vector>
#include <exception>
#include <sys/time.h>
#include <sys/resource.h>
#include <cstdlib>
using namespace std;
int set_limit (int megs)
{
struct rlimit rlim;
rlim.rlim_cur = megs;
rlim.rlim_max = 1.25 * megs;
if (megs > (4 * 1024 * 1024))
return setrlimit (RLIMIT_AS, &rlim);
return EXIT_FAILURE;
}
int main (int argc, char **argv)
{
vector < int >v;
int i = 0;
char action;
if (set_limit (20 * 1024 * 1024)) {
cout << "System error" << endl;
return EXIT_FAILURE;
}
try {
for (;;) {
v.push_back (i++);
}
}
catch (exception & e) {
cout << e.what () << " after " << i << " iterations" << endl << endl;
cout << "Would you like to see the full error message? (y/n) ";
cin >> action;
v.clear ();
switch (action) {
case 'y':
throw;
break;
}
}
return EXIT_SUCCESS;
}