push.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   push.c                                             :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: tgrekov <tgrekov@student.hive.fi>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/07/06 05:49:10 by tgrekov           #+#    #+#             */
/*   Updated: 2024/07/17 08:34:57 by tgrekov          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include <ft_printf.h>
#include "../stack.h"
 
static int  _push(t_stack *src, t_stack *dst)
{
    int i;
 
    if (!src->len)
        return (1);
    dst->len++;
    i = dst->len;
    while (i-- > 1)
        dst->n[i] = dst->n[i - 1];
    dst->n[0] = src->n[0];
    src->len--;
    i = 0;
    while (i++ < src->len)
        src->n[i - 1] = src->n[i];
    return (0);
}
 
void    push(t_stack *stack, int mode)
{
    if (!_push(&stack[mode], &stack[1 - mode]))
        ft_printf("p%c\n", 'b' - mode);
}