container/main.cpp at master · TechHead27/container · GitHub

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extern"C" {
#include<argp.h>
}

#include<cstdio>
#include<cstdlib>

#include"UserMount.hpp"

error_tparse_arg(int key, char *arg, structargp_state *state) {
 Options *output = (Options*)state->input;

switch (key) {
case't':
 output->time = atoi(arg);
break;
case'n':
 output->net = true;
caseARGP_KEY_ARG:
if (state->arg_num == 0)
 output->program = arg;
else
 output->args.push_back(arg);
break;
default:
returnARGP_ERR_UNKNOWN;
 }

return0;
}

Options processOptions(int argc, char **argv) {
structargp parser;
structargp_option options[3];
 Options result = { 0 };

 options[0] = {"time", 't', "limit", 0, "Execution time allowed"};
 options[1] = {"network", 'n', NULL, 0, "Allow network access"};
 options[2] = { 0 };

 parser = {options, parse_arg, "command args..."};
argp_parse(&parser, argc, argv, 0, NULL, &result);
return result;
}

voidtest_args(Options *opts) {
printf("Run %s for %u seconds with %i network acess with arguments \n",
 opts->program, opts->time, opts->net);
}

intmain(int argc, char **argv) {
 Options opts = processOptions(argc, argv);
test_args(&opts);
 UserMount um(opts);

 um.start();
 um.wait();

exit(0);
}