From 414608ff2511a18d9488d606ef7d7cd7ef7119d9 Mon Sep 17 00:00:00 2001
From: Lowly Worm <cutlassc91@gmail.com>
Date: Tue, 6 Jun 2017 00:27:50 -0400
Subject: [PATCH] use the is_empty api call for peek

---
 libr/util/stack.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/libr/util/stack.c b/libr/util/stack.c
index 62766cea8c..2f16a78e06 100644
--- a/libr/util/stack.c
+++ b/libr/util/stack.c
@@ -74,7 +74,7 @@ R_API unsigned int r_stack_size(RStack *s) {
 
 R_API void *r_stack_peek(RStack *s) {
 	void *res;
-	if (s->top != -1) {
+	if (!r_stack_is_empty (s)) {
 		res = s->elems[s->top];
 		return res;
 	}