ft_ssl_md5/libs/libft/srcs/ft_take_opts.c

/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   ft_take_opts.c                                     :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: bchanot <bchanot@student.42.fr>            +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2018/01/04 20:23:10 by bchanot           #+#    #+#             */
/*   Updated: 2018/10/14 03:22:26 by bchanot          ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */

#include "libft.h"

t_bool		ft_check_opts(char **tab, const char *opt)
{
	size_t	i;

	if (!tab)
		return (false);
	i = 0;
	while (tab[i])
	{
		if (ft_strlen(opt) > 1)
		{
			if (!ft_strncmp(tab[i], "--", 2) &&
				!ft_strcmp(tab[i] + 2, opt))
				return (true);
		}
		else
		{
			if (ft_strncmp(tab[i], "--", 2))
			{
				if (ft_cptchar(tab[i], *opt) > 0)
					return (true);
			}
		}
		i++;
	}
	return (false);
}

static char	**ft_get_opts_begin(int ac, char **av, char **tab)
{
	size_t	index;
	int		i;

	i = 0;
	index = 0;
	while (i < ac)
	{
		if (av[i][0] == '-')
		{
			if (av[i][1] && av[i][1] == '-' && av[i][2] == 0)
				break ;
			else if (av[i][1])
			{
				tab[index] = ft_strdup(av[i]);
				index++;
			}
		}
		else
			break ;
		i++;
	}
	tab[index] = 0;
	return (tab);
}

char		**ft_take_opts_begin(int ac, char **av)
{
	size_t	index;
	char	**tab;
	int		i;

	i = 0;
	index = 0;
	if (ac < 1)
		return (NULL);
	while (i < ac)
	{
		if (av[i][0] == '-')
		{
			if (av[i][1] && av[i][1] == '-' && av[i][2] == 0)
				break ;
			index++;
		}
		else
			break ;
		i++;
	}
	if (!(tab = (char **)ft_memalloc(sizeof(char *) * (index + 1))))
		return (NULL);
	return (ft_get_opts_begin(ac, av, tab));
}