fix get_file returning null

ccc.c

@@ -139,7 +139,7 @@ void list_cwd_files()
                 exit(EXIT_FAILURE); 
             }
             // can't be strncmp as that filter out dotfiles
-            if (strcmp(filename, ".") && strcmp(ep->d_name, ".."))
+            if (strcmp(filename, ".") && strcmp(filename, ".."))
             {
                 add_file(filename);
                 mvwprintw(windows[0].window, count + 1, 1, "%s", filename);
@@ -159,15 +159,15 @@ void list_cwd_files()
  */
 void highlight_current_line()
 {
-    for (int i = 0; i < files_len(); i++)
+    for (long i = 0; i < files_len(); i++)
     {
         if (i == current_selection)
         {
             wattron(windows[0].window, A_REVERSE);
             wattron(windows[0].window, COLOR_PAIR(1));
         }
-        
-        mvwprintw(windows[0].window, i + 1, 1, "%s", get_filename(i)); // print actual file name
+        char *name = get_filename(i);
+        mvwprintw(windows[0].window, i + 1, 1, "%s", name); // print actual file name
         wattroff(windows[0].window, A_REVERSE);
         wattroff(windows[0].window, COLOR_PAIR(1));
     }
@@ -181,7 +181,7 @@ void highlight_current_line()
  */
 void show_file_content()
 {
-    FILE *file = fopen(get_filename(current_selection), "rb");
+    FILE *file = fopen(get_filename((long) current_selection), "rb");
     if (file)
     {
         fseek(file, 0, SEEK_END);

file.c

@@ -4,7 +4,7 @@
 
 // files in a link list data structure
 typedef struct file {
-    char *filename;
+    char *name;
     // put some more useful stat here
     struct file *next;
 } file;
@@ -35,7 +35,7 @@ long add_file(char *filename)
     {
         perror("ccc");
     }
-    new_file->filename = buf;
+    new_file->name = buf;
     new_file->next = NULL;
     if (current == NULL)
     {
@@ -73,9 +73,14 @@ file *get_file(long index)
 char *get_filename(long index)
 {
     file *file = get_file(index);
-    if (!file)
+    if (file != NULL)
     {
-        return file->filename;
+        char *name = strdup(file->name);
+        if (!name)
+        {
+            perror("ccc");
+        }
+        return name;
     }
     else
     {

file.h

@@ -2,7 +2,7 @@
 #define FILE_H_
 
 typedef struct file {
-    char *filename;
+    char *name;
     // put some more useful stat here
     struct file *next;
 } file;