Started parsing arguments

We will use this to load the strategy file for an AI player.

1 files changed, 37 insertions, 2 deletions

diff --git a/cmd/main.c b/cmd/main.c
index e751856..41aecde 100644
--- a/cmd/main.c
+++ b/cmd/main.c
@@ -18,16 +18,51 @@
 
 #define _GNU_SOURCE
 
+#include <getopt.h>
 #include <libguile.h>
 #include <stdbool.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 
 #include "othello.h"
 
 int main(int argc, char **argv) {
-  (void)argc;
-  (void)argv;
+  static const struct option long_options[] = {
+      {"help", no_argument, NULL, 'h'},
+      {"player-one", required_argument, NULL, '1'},
+      {"player-two", required_argument, NULL, '2'},
+      {0, 0, 0, 0}};
+
+  const char *usage =
+      " -h --help              show help output\n"
+      " -1 --player-one <file> specify a file to use for player one strategy\n"
+      " -2 --player-two <file> specify a file to use for player one strategy\n";
+
+  char *player_one_strategy_path = NULL;
+  char *player_two_strategy_path = NULL;
+
+  int c;
+  while (1) {
+    int option_index = 0;
+    c = getopt_long(argc, argv, "h1:2:", long_options, &option_index);
+    if (c == -1) {
+      break;
+    }
+    switch (c) {
+    case 'h':
+      printf("%s", usage);
+      exit(EXIT_SUCCESS);
+    case '1':
+      free(player_one_strategy_path);
+      player_one_strategy_path = strdup(optarg);
+      break;
+    case '2':
+      free(player_two_strategy_path);
+      player_two_strategy_path = strdup(optarg);
+      break;
+    }
+  }
 
   enum player_color winner = game_loop();