initialÃ

1 files changed, 38 insertions, 0 deletions

diff --git a/linkedlist/stack.c b/linkedlist/stack.c
new file mode 100644
index 0000000..de77b72
--- /dev/null
+++ b/linkedlist/stack.c
@@ -0,0 +1,38 @@
+#include "stack.h"
+
+void stack_add(void* _data, struct stack** _stackpointer)
+{
+	struct stack* newsp = malloc(sizeof(*newsp));
+
+	newsp->data = _data;
+	newsp->next = *_stackpointer;
+	*_stackpointer = newsp;
+}
+
+void* stack_get(struct stack** _stackpointer)
+{
+	void* return_data;
+	struct stack* oldsp; //Old stackpointer
+
+	if(!*_stackpointer)
+		return NULL;
+
+	return_data = (*_stackpointer)->data;
+	oldsp = *_stackpointer;
+	*_stackpointer = (*_stackpointer)->next;
+	free(oldsp);
+
+	return return_data;
+}
+
+void stack_init(struct stack** _stackpointer)
+{
+	stack_flush(_stackpointer);
+	*_stackpointer = NULL;
+}
+
+void stack_flush(struct stack** _stackpointer)
+{
+	while(*_stackpointer)
+		stack_get(_stackpointer);
+}