utils.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   utils.c                                            :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: dmdemirk <dmdemirk@student.42london.c      +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2024/06/07 17:38:25 by dmdemirk          #+#    #+#             */
/*   Updated: 2024/09/06 12:00:46 by dmdemirk         ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "shell.h"
#include "env.h"
#include "libft.h"
#include <stdlib.h>
 
char    **env_to_array(t_env *envp);
char    *ft_strcdup(const char *s, int c);
void    free_env(t_env *envp);
void    print_t_env(t_env *tokens);
 
char    **env_to_array(t_env *envp)
{
    t_env   *curr_node;
    char    **env_array;
    int     i;
    char    *temp;
 
    i = 0;
    curr_node = envp;
    while (curr_node)
    {
        i++;
        curr_node = curr_node->next;
    }
    env_array = (char **)malloc(sizeof(char *) * (i + 1));
    i = 0;
    curr_node = envp;
    while (curr_node)
    {
        temp = ft_strjoin(curr_node->key, "=");
        env_array[i] = ft_strjoin(temp, curr_node->value);
        free(temp);
        i++;
        curr_node = curr_node->next;
    }
    env_array[i] = NULL;
    return (env_array);
}
 
char    *ft_strcdup(const char *s, int c)
{
    char    *str;
    size_t  i;
 
    i = 0;
    while (s[i] && s[i] != c)
        i++;
    str = (char *)malloc(sizeof(char) * (i + 1));
    if (!str)
        return (NULL);
    i = 0;
    while (s[i] && s[i] != c)
    {
        str[i] = s[i];
        i++;
    }
    str[i] = '\0';
    return (str);
}
 
void    free_env(t_env *envp)
{
    t_env   *curr_node;
    t_env   *next_node;
 
    curr_node = envp;
    while (curr_node)
    {
        next_node = curr_node->next;
        free(curr_node->key);
        free(curr_node->value);
        free(curr_node);
        curr_node = next_node;
    }
}
 
void    print_t_env(t_env *tokens)
{
    t_env   *token;
    int     i;              
 
    i = 0;
    token = tokens;
    while (token != NULL)
    {
        ft_printf("key[%d]      ->  %s \n", i, token->key);
        ft_printf("value[%d]    ->  %s \n", i, token->value);
        token = token->next;
        i++;
    }
}