Remove unecessary files

smallsh/main.c

@@ -2,6 +2,7 @@
 
 volatile sig_atomic_t stop_flag = 0;
 int stop_msg = 0;
+int at_prompt = 0;
 
 int main() {
 
@@ -31,10 +32,12 @@ int main() {
 
 
     // Shell Value Grabbing
+    at_prompt = 1;
     printf(": ");
     fflush(stdout);
     getline_len = getline(&input, &input_size, stdin);
     input[getline_len - 1] = '\0';
+    at_prompt = 0;
 
     // Fill in PID for '$$'
     expand_dollar(input, input_size);
@@ -159,6 +162,7 @@ int run_command(char*** array, int num_array) {
   int f = fork();
   pid_t pid;
   if(!f) {
+    signal(SIGTSTP, sigstop_handle);
     // Handle Redirected output
     if(redirect_o) {
       int fd = open(redirect_o_str, O_WRONLY | O_CREAT, 0666);
@@ -262,6 +266,15 @@ void sigstop_handle() {
   // Negate flags so that it handles both starting and stopping
   stop_flag = !stop_flag;
   stop_msg = !stop_msg;
+
+  if(at_prompt) {
+    if(stop_flag) 
+      puts("\nEntering Stop Mode: Background Processes Do Not Work (&)\n:");
+    else 
+      puts("\nExiting Stop Mode: Background Processes Now Work (&)\n:");
+    stop_msg = 0;
+  }
+
 }
 
 void clean_children() {

smallsh/node.c

@@ -1,62 +0,0 @@
-
-#include "node.h"
-
-void append_node(struct node* head, struct node* node_app) {
-	
-  if(!head) {
-    head = node_app;
-    return;
-  }
-
-  struct node* temp = head;
-
-  while(temp->node != NULL) {
-    temp = temp->node;
-  }
-  temp->node = node_app;
-  
-} 
-
-struct node* appendv_node(struct node* head, void* data) {
-
-  struct node* node = malloc(sizeof(struct node));
-  node->data = data;
-  node->node = NULL;
-
-  append_node(head, node);
-
-  return node;
-}
-
-int count_nodes(struct node* head) {
-
-  int num = 1;
-
-  if(!head)
-    return -1;
-
-  struct node* temp = head;
-  while(temp->node) {
-
-    temp = temp->node;
-    num++;
-  }
-  
-  return num;
-}
-
-void iterate_nodes(struct node* head, void *func (void*, void*), void* val) {
-
-  if(!head)
-    return;
-
-  func(head->data, val);
-
-  struct node* temp = head;
-
-  while(temp->node) {
-    temp = temp->node;
-    func(temp->data, val);
-  }
-}
-

smallsh/node.h

@@ -1,24 +0,0 @@
-#include "stdlib.h"
-
-#ifndef NODES
-#define NODES
-
-struct node {
-  struct node* node;
-  void* data;
-};
-
-// Appends Node to list
-void append_node(struct node*, struct node*);
-
-// Creates node with value and appends
-// Returns node that was created
-struct node* appendv_node(struct node*, void*);
-
-// Counts the number of nodes in a list
-int count_nodes(struct node*);
-
-// Iterates over every node in a list and runs the given function
-void iterate_nodes(struct node*, void *func(void*, void*), void*);
-
-#endif