Adapted makefile for user includes and new source files

src/user/include/utils/structures/fdlist.c

@@ -0,0 +1,57 @@
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "fdlist.h"
+
+
+/**
+ * @brief Creates a new fdlist with a given size
+ * 
+ * @param size 
+ * @return FdList 
+ */
+FdList* FdList_create(int size){
+    FdList *fd_list = (FdList*)calloc(1, sizeof(FdList));
+    fd_list->max_size = size;
+    fd_list->size = 0;
+    fd_list->list = (int*)calloc(size, sizeof(int));
+    return fd_list;
+}
+
+/**
+ * @brief Adds a new fd to the list 
+ * 
+ * @param fd_list 
+ * @param fd_new 
+ * @return 0 ok, -1 error
+ */
+int FdList_add(FdList *fd_list, int fd_new){
+    if(fd_list->size+1 >= fd_list->max_size){
+        return -1;
+    }
+    return 0;
+}
+
+/**
+ * @brief Extends size of list
+ * 
+ * @param fd_list 
+ * @param new_size 
+ * @return int 
+ */
+int FdList_extend(FdList *fd_list, int new_size){
+    fd_list->list = (int*)realloc(fd_list->list, new_size);
+    return 0;
+}
+
+/**
+ * @brief Destroy list
+ * 
+ * @param fd_list 
+ * @return int 
+ */
+int FdList_destroy(FdList *fd_list){
+    free(fd_list->list);
+    free(fd_list);
+    return 0;
+}