From 8e1bbe674c117e6203a23162bd3bd307a6eff0a2 Mon Sep 17 00:00:00 2001
From: David Gailleton <dgaillet@z4r9p4.42lyon.fr>
Date: Mon, 8 Dec 2025 16:16:23 +0100
Subject: [PATCH] rename stack_functions folder to stack_utils + add stack add
 and stack remove functions

---
 stack_functions/.gitkeep                      |  0
 {stack_functions => stack_utils}/push.c       |  0
 {stack_functions => stack_utils}/rev_rotate.c |  0
 {stack_functions => stack_utils}/rotate.c     |  0
 stack_utils/stack_add.c                       | 54 +++++++++++++++++++
 stack_utils/stack_remove.c                    | 23 ++++++++
 {stack_functions => stack_utils}/swap.c       |  0
 7 files changed, 77 insertions(+)
 delete mode 100644 stack_functions/.gitkeep
 rename {stack_functions => stack_utils}/push.c (100%)
 rename {stack_functions => stack_utils}/rev_rotate.c (100%)
 rename {stack_functions => stack_utils}/rotate.c (100%)
 create mode 100644 stack_utils/stack_add.c
 create mode 100644 stack_utils/stack_remove.c
 rename {stack_functions => stack_utils}/swap.c (100%)

diff --git a/stack_functions/.gitkeep b/stack_functions/.gitkeep
deleted file mode 100644
index e69de29..0000000
diff --git a/stack_functions/push.c b/stack_utils/push.c
similarity index 100%
rename from stack_functions/push.c
rename to stack_utils/push.c
diff --git a/stack_functions/rev_rotate.c b/stack_utils/rev_rotate.c
similarity index 100%
rename from stack_functions/rev_rotate.c
rename to stack_utils/rev_rotate.c
diff --git a/stack_functions/rotate.c b/stack_utils/rotate.c
similarity index 100%
rename from stack_functions/rotate.c
rename to stack_utils/rotate.c
diff --git a/stack_utils/stack_add.c b/stack_utils/stack_add.c
new file mode 100644
index 0000000..9775452
--- /dev/null
+++ b/stack_utils/stack_add.c
@@ -0,0 +1,54 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   stack_add.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/12/08 15:52:40 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/12/08 16:03:54 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+#include <stdlib.h>
+
+t_stack	*new_stack(int value)
+{
+	t_stack	*new;
+
+	new = malloc(sizeof(t_stack));
+	if (!new)
+		return (NULL);
+	new->value = value;
+	new->next = NULL;
+	new->previous = NULL;
+	return (new);
+}
+
+void	stack_add_back(t_stack **stack, t_stack *new)
+{
+	if (!stack || !new)
+		return ;
+	if (!(*stack))
+	{
+		(*stack) = new;
+		new->next = new;
+		new->previous = new;
+	}
+	else
+	{
+		(*stack)->previous->next = new;
+		new->previous = *(stack)->previous;
+		(*stack)->previous = new;
+		new->next = *stack;
+	}
+}
+
+void	stack_add_front(t_stack **stack, t_stack *new)
+{
+	if (!stack || *new)
+		return ;
+	stack_add_back(stack, new);
+	*stack = new;
+}
diff --git a/stack_utils/stack_remove.c b/stack_utils/stack_remove.c
new file mode 100644
index 0000000..393b591
--- /dev/null
+++ b/stack_utils/stack_remove.c
@@ -0,0 +1,23 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   stack_remove.c                                     :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: dgaillet <dgaillet@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2025/12/08 16:05:27 by dgaillet          #+#    #+#             */
+/*   Updated: 2025/12/08 16:15:28 by dgaillet         ###   ########lyon.fr   */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+#include <stdlib.h>
+
+void	stack_clear_all(t_stack *stack, t_stack *first)
+{
+	if (!stack)
+		return ;
+	if (stack->next != first)
+		stack_clear_all(stack->next, first);
+	free(stack);
+}
diff --git a/stack_functions/swap.c b/stack_utils/swap.c
similarity index 100%
rename from stack_functions/swap.c
rename to stack_utils/swap.c