- handle seed in args

src/arguments.cc

@@ -4,6 +4,7 @@
 #include <utility>
 #include <fstream>
 #include <string>
+#include <sstream>
 #include "file_input.h"
 #include "file_output.h"
 #include "console_input.h"
@@ -15,7 +16,8 @@ feature proc_args(int argc, char **argv,
                   std::unique_ptr<cursor>  &curse,
                   std::unique_ptr<input>   &in,
                   std::unique_ptr<display> &out,
-                  std::unique_ptr<logger>  &log) {
+                  std::unique_ptr<logger>  &log,
+                  std::unique_ptr<RNG>     &rng) {
         feature result = 0;
         std::string str;
         std::string fn_fin;
@@ -122,6 +124,16 @@ feature proc_args(int argc, char **argv,
                 out = std::make_unique<curses_output>(curse);
         }
 
+        if (result & FEATURE_SEED) {
+                std::istringstream iss {seed};
+                unsigned int tmp;
+                iss >> tmp;
+                if (!iss.good()) 
+                        return FEATURE_PANIC_SEED;
+                        
+                rng = std::make_unique<RNG>(tmp);     
+        }
+
         return result;
 }
 
@@ -153,6 +165,9 @@ void panic_args(feature panic) {
                         cerr << "Something must have went really, really, wrong..."
                              << endl;
                 }
+        } 
+        else if (panic & FEATURE_PANIC_SEED) {
+                cerr << "Invalid seed" << endl; 
         } else
                 cerr << "Something must have went really, really, wrong..."
                      << endl;