Push Swap

2025-09-08 14:02:27 +02:00
commit 31f2054f1c
16 changed files with 1036 additions and 0 deletions
--- a/utils.c
+++ b/utils.c
@@ -0,0 +1,80 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   utils.c                                            :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: aortigos <aortigos@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/08/09 20:27:06 by aortigos          #+#    #+#             */
+/*   Updated: 2024/08/13 06:18:17 by aortigos         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "push_swap.h"
+
+void	free_stack(t_stack **stack)
+{
+	t_stack	*tmp;
+
+	if (!stack || !(*stack))
+		return ;
+	while (*stack)
+	{
+		tmp = (*stack)->next;
+		free(*stack);
+		*stack = tmp;
+	}
+	*stack = NULL;
+}
+
+void	error_exit(t_stack **stack_a, t_stack **stack_b)
+{
+	if (stack_a == NULL || *stack_a != NULL)
+		free_stack(stack_a);
+	if (stack_b == NULL || *stack_b != NULL)
+		free_stack(stack_b);
+	write(2, "Error\n", 6);
+	exit(1);
+}
+
+long int	ft_atoi(const char *str)
+{
+	long int	nb;
+	int			neg;
+	int			i;
+
+	nb = 0;
+	i = 0;
+	neg = 1;
+	if (str[i] == '+')
+		i++;
+	else if (str[i] == '-')
+	{
+		neg *= -1;
+		i++;
+	}
+	while (str[i] >= '0' && str[i] <= '9')
+	{
+		nb = (nb * 10) + (str[i] - '0');
+		i++;
+	}
+	return (nb * neg);
+}
+
+void	ft_putstr(char *str)
+{
+	int	i;
+
+	i = 0;
+	while (str[i])
+	{
+		write(1, &str[i++], 1);
+	}
+}
+
+int	abs(int nb)
+{
+	if (nb < 0)
+		return (nb * -1);
+	return (nb);
+}