Initial commit

srcs/push_swap/push_swap.c

@@ -0,0 +1,108 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   push_swap.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lejulien <lejulien@student.42.fr>          +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/03/05 13:01:57 by lejulien          #+#    #+#             */
+/*   Updated: 2021/04/01 16:47:37 by lejulien         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "../utils/utils.h"
+#include <unistd.h>
+#include "push_swap.h"
+#include <stdlib.h>
+
+static int
+	push_values_to_stack(t_stack **stack, char **av, int ac, int pos)
+{
+	int		i;
+	t_stack	*b_stack;
+	t_stack	*ptr;
+
+	b_stack = NULL;
+	i = pos;
+	while (i < ac)
+	{
+		if (add_to_stack(stack, ft_atoi(av[i]), pos))
+			return (ft_free_stacks(stack, &b_stack, 1));
+		i++;
+	}
+	ptr = *stack;
+	if (has_double(stack))
+		return (ft_free_stacks(stack, &b_stack, 1));
+	sort(stack, &b_stack);
+	write(1, "\x4", 1);
+	return (ft_free_stacks(stack, &b_stack, 1) - 1);
+}
+
+static int
+	is_flag(char *str)
+{
+	if (str[0] == '-' && str[1] == 'v')
+		return (1);
+	return (0);
+}
+
+int
+	is_number(char *c)
+{
+	int	i;
+
+	i = 0;
+	while (c[i] != '\0')
+	{
+		if (c[i] < '0' || c[i] > '9')
+			return (0);
+		i++;
+	}
+	return (1);
+}
+
+static int
+	check_flags(int ac, char **av)
+{
+	int	i;
+	int x;
+
+	i = 0;
+	if (ac > 2)
+	{
+		if (is_flag(av[1]))
+			i++;
+	}
+	x = 1 + i;
+	while (x < ac)
+	{
+		if (!is_number(av[x]))
+			return (0);
+		x++;
+	}
+	return (1 + i);
+}
+
+int
+	main(int ac, char **av)
+{
+	t_stack	*a_stack;
+	int		flags;
+
+	a_stack = NULL;
+	flags = 1;
+	if (ac > 1)
+	{
+		if (check_num(ac, av) || check_max(ac, av))
+		{
+			ft_putstr("Error\n");
+			return (1);
+		}
+		if (push_values_to_stack(&a_stack, av, ac, flags))
+		{
+			ft_putstr("Error\n");
+			return (1);
+		}
+	}
+	return (0);
+}