r_rot.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   r_rot.c                                   :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tgrekov <tgrekov@student.hive.fi>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/07/06 06:33:08 by tgrekov           #+#    #+#             */
/*   Updated: 2024/07/16 08:15:31 by tgrekov          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include <ft_printf.h>
#include "../stack.h"
 
static int  _r_rot(t_stack stack)
{
    int temp;
    int i;
 
    if (stack.len < 2)
        return (1);
    temp = stack.n[stack.len - 1];
    i = stack.len;
    while (i-- > 1)
        stack.n[i] = stack.n[i - 1];
    stack.n[0] = temp;
    return (0);
}
 
void    r_rot(t_stack *stack, int mode)
{
    if (mode < 2 && !_r_rot(stack[mode]))
        ft_printf("rr%c\n", 'a' + mode);
    if (mode == 2)
    {
        _r_rot(stack[0]);
        _r_rot(stack[1]);
        ft_printf("rrr\n");
    }
}