builtin_pwd.c

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/* ************************************************************************** */
/*                                                                            */
/*                                                        :::      ::::::::   */
/*   builtin_pwd.c                                      :+:      :+:    :+:   */
/*                                                    +:+ +:+         +:+     */
/*   By: hgenc <hgenc@student.42kocaeli.com.tr>     +#+  +:+       +#+        */
/*                                                +#+#+#+#+#+   +#+           */
/*   Created: 2026/01/17 18:42:00 by hgenc             #+#    #+#             */
/*   Updated: 2026/02/19 20:00:00 by hgenc            ###   ########.fr       */
/*                                                                            */
/* ************************************************************************** */
 
#include "../../include/minishell.h"
#include <stdlib.h>
#include <unistd.h>
 
/*
** pwd builtin - logical cwd'yi yazdırır ($PWD env var kullanır)
** macOS'ta getcwd() symlink'leri çözer (/tmp -> /private/tmp)
** $PWD mantıksal yolu saklar (bash uyumlu davranış)
*/
int builtin_pwd(t_shell *shell)
{
    char    *pwd;
    char    *cwd;
 
    pwd = get_env_value(shell->env_list, "PWD");
    if (pwd)
    {
        ft_putendl_fd(pwd, STDOUT_FILENO);
        return (0);
    }
    cwd = getcwd(NULL, 0);
    if (!cwd)
    {
        perror("minishell: pwd");
        return (1);
    }
    ft_putendl_fd(cwd, STDOUT_FILENO);
    free(cwd);
    return (0);
}