From 214f0923ba2981649f14ec3761662332df446d9d Mon Sep 17 00:00:00 2001
From: Thomas Schmucker <ts@its1.de>
Date: Thu, 30 Dec 2021 11:01:32 +0100
Subject: code cleanup

---
 stack.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

(limited to 'stack.c')

diff --git a/stack.c b/stack.c
index f594775..162324e 100644
--- a/stack.c
+++ b/stack.c
@@ -47,10 +47,10 @@ stack_push(struct stack *stack, T data)
 bool
 stack_pop(struct stack *stack, T *data)
 {
-	if ( stack->head != NULL ) {
+	if ( stack->head ) {
 		struct stack_item *next = stack->head->next;
 
-		if ( data != NULL ) {
+		if ( data ) {
 			*data = stack->head->data;
 		}
 		free(stack->head);
-- 
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