Initial commit

srcs/push_swap/actions.c

@@ -0,0 +1,110 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   actions.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lejulien <lejulien@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/03/05 15:57:06 by lejulien          #+#    #+#             */
+/*   Updated: 2021/04/01 14:53:36 by lejulien         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <stdlib.h>
+#include "../utils/utils.h"
+#include "push_swap.h"
+
+int
+	add_to_stack(t_stack **stack, int value, int is_disp)
+{
+	t_stack	*new;
+	t_stack	*ptr;
+
+	ptr = *stack;
+	if (!(new = malloc(sizeof(t_stack))))
+		return (1);
+	new->value = value;
+	new->next = NULL;
+	new->disp = is_disp;
+	new->part = 0;
+	if (*stack == NULL)
+	{
+		*stack = new;
+		return (0);
+	}
+	while (ptr->next != NULL)
+		ptr = ptr->next;
+	ptr->next = new;
+	return (0);
+}
+
+void
+	push(t_stack **a_stack, t_stack **b_stack)
+{
+	t_stack	*ptr;
+
+	if (*a_stack == NULL)
+		return ;
+	ptr = *a_stack;
+	*a_stack = ptr->next;
+	ptr->next = *b_stack;
+	*b_stack = ptr;
+}
+
+void
+	swap(t_stack **stack)
+{
+	t_stack	*a;
+	t_stack	*b;
+
+	a = *stack;
+	if (!a)
+		return ;
+	b = a->next;
+	if (!b)
+		return ;
+	*stack = b;
+	a->next = b->next;
+	b->next = a;
+}
+
+void
+	rotate(t_stack **stack)
+{
+	t_stack	*a;
+	t_stack	*b;
+
+	a = *stack;
+	if (!a)
+		return ;
+	b = a->next;
+	if (!b)
+		return ;
+	while (b->next != NULL)
+		b = b->next;
+	*stack = a->next;
+	b->next = a;
+	a->next = NULL;
+}
+
+void
+	r_rotate(t_stack **stack)
+{
+	t_stack	*a;
+	t_stack	*b;
+
+	a = *stack;
+	if (!a)
+		return ;
+	b = a->next;
+	if (!b)
+		return ;
+	while (b->next != NULL)
+	{
+		a = a->next;
+		b = b->next;
+	}
+	a->next = NULL;
+	b->next = *stack;
+	*stack = b;
+}