unix: save config in home dir

Roofus.c

@@ -37,7 +37,22 @@ int main () {
     keypad(stdscr, true);
 
     srand (time(NULL));
-    fp = fopen ("roofus.txt", "a+");
+
+    char path[80];
+
+#ifdef _WIN32
+    path = "roofus.txt";
+#else
+    char *homedir;
+    
+    homedir = getenv("HOME");
+
+    strcat(path, homedir);
+    strcat(path, "/.roofus");
+#endif
+
+    fp = fopen (path, "a+");
+    
     if (fp == NULL) {
         printw ("Error opening file");
         refresh();