env_utils.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   env_utils.c                                        :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: baelgadi <baelgadi@student.42.fr>          +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2025/12/03 19:31:46 by zotaj-di          #+#    #+#             */
/*   Updated: 2026/03/04 04:42:13 by baelgadi         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "env.h"
#include "libft.h"
 
void    handle_shlvl(t_env **env_list)
{
    char    *shlvl_str;
    int     shlvl_num;
    char    *new_shlvl;
 
    shlvl_str = get_env_value(*env_list, "SHLVL");
    if (shlvl_str)
    {
        shlvl_num = ft_atoi(shlvl_str);
        shlvl_num++;
    }
    else
        shlvl_num = 1;
    new_shlvl = ft_itoa(shlvl_num);
    set_env_value(env_list, "SHLVL", new_shlvl);
    free(new_shlvl);
}
 
void    ensure_pwd(t_env **env_list)
{
    char    *pwd;
    char    cwd[PATH_MAX];
 
    pwd = get_env_value(*env_list, "PWD");
    if (!pwd)
    {
        if (getcwd(cwd, PATH_MAX))
            set_env_value(env_list, "PWD", cwd);
    }
}
 
void    free_env_list(t_env **env_list)
{
    t_env   *current;
    t_env   *next;
 
    current = *env_list;
    while (current)
    {
        next = current->next;
        free(current->key);
        free(current->value);
        free(current);
        current = next;
    }
}
 
int env_list_size(t_env *env_list)
{
    int     count;
    t_env   *current;
 
    count = 0;
    current = env_list;
    while (current)
    {
        count++;
        current = current->next;
    }
    return (count);
}