From f14df894698c46ee1c93e121923f3539ffb303d7 Mon Sep 17 00:00:00 2001
From: Edgaru089 <sjs333@outlook.com>
Date: Sat, 23 Oct 2021 21:10:04 +0800
Subject: [PATCH] util: add stack_Clear

---
 util/stack.c | 4 ++++
 util/stack.h | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/util/stack.c b/util/stack.c
index dd842d4..500f9f8 100644
--- a/util/stack.c
+++ b/util/stack.c
@@ -69,3 +69,7 @@ uintptr_t stack_Size(stack *s) {
 uintptr_t stack_Space(stack *s) {
 	return s->top - s->data;
 }
+
+void stack_Clear(stack *s) {
+	s->top = s->data + s->size;
+}
diff --git a/util/stack.h b/util/stack.h
index caa7274..30be77b 100644
--- a/util/stack.h
+++ b/util/stack.h
@@ -46,6 +46,9 @@ uintptr_t stack_Size(stack *s);
 // returns the empty space left in the stack
 uintptr_t stack_Space(stack *s);
 
+// clears the stack
+void stack_Clear(stack *s);
+
 
 #ifdef __cplusplus
 }