5 files changed, 58 insertions, 1 deletions
diff --git a/lib/list/list.c b/lib/list/list.c
index 753fdb1..8064da4 100644
--- a/lib/list/list.c
+++ b/lib/list/list.c
@@ -28,6 +28,20 @@ list_t *from_array(void **array, u64 size)
 }
 
 
+void free_list(list_t *list)
+{
+	list_node_t *node = list->first;
+	list_node_t *next;
+	free(list);
+
+	while (node) {
+		next = node->next;
+		free(node);
+		node = next;
+	}
+}
+
+
 void list_append(list_t *list, void *value)
 {
 	list_node_t *node = __new_list_node(value);
diff --git a/lib/list/list.h b/lib/list/list.h
index 9acecac..2021b2a 100644
--- a/lib/list/list.h
+++ b/lib/list/list.h
@@ -21,6 +21,6 @@ void   list_append(list_t *list, void *value);
 void   list_prepend(list_t *list, void *value);
 void   *pop_first(list_t *list);
 void   *pop_last(list_t *list);
-void   free_list();
+void   free_list(list_t *list);
 
 #endif
diff --git a/lib/sys/ioctl.h b/lib/sys/ioctl.h
new file mode 100644
index 0000000..4bf73f7
--- /dev/null
+++ b/lib/sys/ioctl.h
@@ -0,0 +1,11 @@
+#ifndef SYS_IOCTL_H
+#define SYS_IOCTL_H
+
+#include "syscalls.h"
+
+int ioctl(unsigned int fd, unsigned int cmd, void *arg)
+{
+	return syscall(IOCTL, fd, cmd, arg);
+}
+
+#endif
diff --git a/lib/tctl/tctl.c b/lib/tctl/tctl.c
new file mode 100644
index 0000000..54034f4
--- /dev/null
+++ b/lib/tctl/tctl.c
@@ -0,0 +1,18 @@
+#include "tctl.h"
+#include "../sys/ioctl.h"
+
+#define GET_WIN_SIZE 0x5413
+#define SET_WIN_SIZE 0x5414
+
+window_size_t tctl_get_window_size()
+{
+	window_size_t ws;
+	ioctl(0, GET_WIN_SIZE, &ws);
+	return ws;
+}
+
+
+void tctl_set_window_size(window_size_t size)
+{
+	ioctl(0, SET_WIN_SIZE, &size);
+}
diff --git a/lib/tctl/tctl.h b/lib/tctl/tctl.h
new file mode 100644
index 0000000..d106818
--- /dev/null
+++ b/lib/tctl/tctl.h
@@ -0,0 +1,14 @@
+#ifndef TCTL_H
+#define TCTL_H
+
+typedef struct {
+	unsigned short int height;
+	unsigned short int width;
+	unsigned short int ws_xpixel;
+	unsigned short int ws_ypixel;
+} window_size_t;
+
+window_size_t tctl_get_window_size();
+void          tctl_set_window_size(window_size_t size);
+
+#endif