From f1dad4e3e334f7f257ccf0375e75985ce18dc575 Mon Sep 17 00:00:00 2001
From: Jacob <windlejacob12@gmail.com>
Date: Thu, 19 Dec 2019 13:47:31 -0500
Subject: [PATCH] Correcting out linkedlist add function.

---
 linkedlist.c | 21 ++++++++++++---------
 linkedlist.h |  4 ++--
 main.c       |  6 ++++--
 3 files changed, 18 insertions(+), 13 deletions(-)

diff --git a/linkedlist.c b/linkedlist.c
index a51e1e3..2a65f41 100644
--- a/linkedlist.c
+++ b/linkedlist.c
@@ -14,21 +14,24 @@ LinkedList *linkedlist_new() {
  * Add a char * to our linked list and set up a new head.
  * @param head The first node in the list.
  * @param data Our data to add to the list.
- * @return
  */
-void *linkedlist_add(LinkedList *head, char *data) {
+void linkedlist_add(LinkedList *head, char *data) {
+    // Create a pointer to the head element.
+    LinkedList *tmp = head;
+
+    // Head was null? Create a new node.
     if (head == NULL) {
         head = linkedlist_new();
-    }
-    if (head->data == NULL) {
         head->data = data;
     }
-    LinkedList *tmp = linkedlist_new();
-    // Set the head pointer to the next node.
-    head->next = tmp;
+    else {
+        // Iterate until we don't have a next node.
+        while ((tmp = tmp->next) != NULL) ;
 
-    // Set head to tmp.
-    head = tmp;
+        tmp->next = linkedlist_new();
+        tmp->next->data = data;
+        tmp->next->next = NULL;
+    }
 }
 
 void free_node(LinkedList *node) {
diff --git a/linkedlist.h b/linkedlist.h
index c137ce9..93a4d2e 100644
--- a/linkedlist.h
+++ b/linkedlist.h
@@ -16,6 +16,6 @@ typedef struct linkedlist {
 } LinkedList;
 
 LinkedList *linkedlist_new();
-void *linkedlist_add(LinkedList *head, char *data);
-
+void linkedlist_add(LinkedList *head, char *data);
+void linkedlist_print(LinkedList *head, char *data);
 #endif //HOSTBLOCKER_LINKEDLIST_H
diff --git a/main.c b/main.c
index ab9ae27..931ad6b 100644
--- a/main.c
+++ b/main.c
@@ -24,7 +24,8 @@ const char *blockString = "0.0.0.0 ";
 LinkedList *hosts = (LinkedList *) NULL;
 
 // The current hardcoded location of the hosts file.
-static const char *HOSTFILE = "/etc/hosts";
+static char *HOSTFILE = "/etc/hosts";
+static char *CONFIG;
 // Our configuration
 
 /**
@@ -100,6 +101,7 @@ void showHosts()
  */
 int read_config_file() {
     // increment the refcount for tmp.
+
     linkedlist_add(hosts, "hello.com");
 }
 
@@ -179,7 +181,7 @@ int main(int argc, char **argv)
             showHosts();
         }
         else if (strcmp(argv[i], "-config") == 0) {
-            CONFIG = argv[i];
+            CONFIG = argv[++i];
         }
 
         // Daemonize this process, allowing for hosts file to be automagically managed.