42_minishell/env.c

#include "env.h"
#include "libftx/libftx.h"

int	strcmp_alphabet(char *s1, char *s2)
{
	int	i;

	if (!s1 || !s2)
		return (-2);
	i = 0;
	while (s1[i] && s2[i])
	{
		if (s1[i] < s2[i])
			return (0);
		else if (s1[i] > s2[i])
			return (1);
		i++;
	}
	return (-1);
}

void	ft_double_swap(char **a, char **b)
{
	void	*c;

	c = *a;
	*a = *b;
	*b = c;
}

void	add_sort(t_list **head, char *str)
{
	t_list	*current;
	char	*last;

	current = *head;
	while (current->next != NULL)
	{
		if (strcmp_alphabet(str, current->content) == 0)
			break ;
		current = current->next;
	}
	last = current->content;
	current->content = str;
	while (current != NULL)
	{
		if (current->next == NULL)
		{
			current->next = ft_calloc(1, sizeof(t_list));
			if (current->next == NULL)
				return ;
		}
		current = current->next;
		if (current->content == NULL)
		{
			current->content = last;
			return ;
		}
		else
			ft_double_swap((char**)(&current->content), &last);
	}
}

t_list	**init_env(char **env)
{
	t_list	**head;
	int		i;

	head = ft_calloc(1, sizeof(t_list*));
	*head = ft_calloc(1, sizeof(t_list));
	if (*head == NULL)
		return (NULL);
	i = -1;
	while (env[++i])
	{
		if (ft_strnstr(env[i], "XDG_SESSION_CLASS=user", 200))
			write(1, "", 0);
		add_sort(head, env[i]);
	}
	//current->next = NULL;
	return(head);
}

int main(int argc, char *argv[], char **env)
{
	t_list **new_env;
	t_list	*current;

	(void)argc;
	(void)argv;
	new_env = init_env(env);
	current = *new_env;
	while (current != NULL)
	{
		ft_printf("%s\n", current->content);
		current = current->next;
	}
	return (0);
}