Added input parsing for now

input_parsing.cpp

@@ -1,14 +1,50 @@
 #include "input_parsing.h"
 #include "constants.h"
 
+#include <getopt.h>
+#include <stdlib.h>
+#include <iostream> 
+
 ProgramOptions get_params(int argc, char *argv[])
 {
 	int max_range = MAX_VALUES, num_entries = DEFAULT_NR_ENTRIES;
        	bool is_seed_specified = false;
 
-	int option;
+	static struct option long_options[] = {
+                   {"max-range",     required_argument, 0,  'm' },
+                   {"num-entries",  required_argument, 0,  'n' },
+                   {"seed",  required_argument, 0,  's' },
+                   {0,         0,                 0,  0 }
+               };
 	
-	while (( option = getopt_long(argc, argv, ""
+	bool seed_found = false;
+	int option, option_index, seed = 0;
+	while (( option = getopt_long(argc, argv, "m:n:s:", long_options, &option_index)))
+	{
+		if (option == -1)
+		{
+			break;
+		}
 
-	return {max_range, num_entries, seed};
+		switch (option)
+		{
+			case 'm':
+			max_range = atoi(optarg);
+			break;
+
+			case 'n':
+			num_entries = atoi(optarg);
+			break;
+
+			case 's':
+			seed_found = true;
+			seed = atoi(optarg);
+			break;
+
+			default:
+			std::cerr << "Incorrect character code returned: %d" << option;
+		}
+	}
+
+	return {max_range, num_entries, seed_found ? std::optional<int>(seed): std::nullopt};
 }