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/*
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This is originally taken from Fossil Grader. It is modified so that
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it has the same interface as the sandbox module for Cafe Grader. By
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the way, the Cafe-Grader's sandbox module is from Moe grader,
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distributed under GPL.
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*/
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#include <cstdio>
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#include <cstring>
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#include <cstdlib>
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#include "execute.h"
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char* input_filename = 0;
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char* output_filename = 0;
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double time_limit = 1;
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int memory_limit = 16*1024*1024; // in bytes
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char* exe_filename = 0;
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// process_argument takes an array of arguments starting from argv[0].
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void process_argument(int argc, char* argv[])
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{
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for(int i=0; i<argc; i++) {
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if(argv[i][0]=='-') { // options
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char opt = argv[i][1];
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char* arg = argv[i+1];
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switch(argv[i][1]) {
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case 'i':
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input_filename = strdup(arg);
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break;
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case 'o':
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output_filename = strdup(arg);
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break;
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case 't':
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time_limit = atof(arg);
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break;
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case 'm':
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memory_limit = atoi(arg)*1024; // in bytes
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}
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i++; // skip over option
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} else {
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// not an option --> executable
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exe_filename = strdup(argv[i]);
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}
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}
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}
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void display_help()
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{
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printf("Using: trun <executable>\n");
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printf("Options:\n");
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printf(" -i <input>\n");
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printf(" -o <output>\n");
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printf(" -t <time limit (in seconds)>\n");
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printf(" -m <memory limit (in kilobytes)>\n");
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}
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main(int argc, char* argv[])
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{
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process_argument(argc-1, &argv[1]);
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if(exe_filename==0)
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display_help();
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else
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execute(exe_filename, input_filename, output_filename,
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time_limit, memory_limit);
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}
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Jittat Fakcharoenphol-