export.c File Reference

#include "env.h"
#include "libft.h"
#include <stdlib.h>
#include "shell.h"
#include <stdio.h>
#include "exit_status.h"

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Functions
int	builtin_export (t_ms_data *data)
static void	print_env (t_env *env)
static void	add_env (t_ms_data *data)

Function Documentation

add_env()

static void add_env ( t_ms_data *  data )

static

Definition at line 70 of file export.c.

{
    int     i;
    char    *key;
    char    *curr_arg;
 
    i = 0;
    key = NULL;
    curr_arg = NULL;
    while (data->args[++i])
    {
        if (ft_strchr(data->args[i], '='))
        {
            curr_arg = data->args[i];
            key = ft_strcdup(curr_arg, '=');
            set_env(&data->envp, key, \
                    ft_strchr(curr_arg, '=') + 1);
            free(key);
        }
        else
        {
            curr_arg = data->args[i];
            key = curr_arg;
            set_env(&data->envp, key, "");
        }
    }
}

References s_ms_data::args, s_ms_data::envp, ft_strcdup(), ft_strchr(), and set_env().

Referenced by builtin_export().

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builtin_export()

int builtin_export

(

t_ms_data *

data

)

Definition at line 30 of file export.c.

{
    if (data->args == NULL || data->args[1] == NULL)
    {
        print_env(data->envp);
        return (EXIT_SUCCESS);
    }
    if (ft_strcmp(data->args[1], "-p") != 0 && data->args[1][0] == '-')
    {
        exit_status_handler(data, INVALID_OPTION, \
                ft_strjoin("export: ", data->args[1]));
        ft_putendl_fd("export: usage: export [-p]" \
                "[name[=value] ...] or export -p", STDERR_FILENO);
        return (INVALID_OPTION);
    }
    else if (ft_strcmp(data->args[1], "-p") == 0)
    {
        print_env(data->envp);
        return (EXIT_SUCCESS);
    }
    add_env(data);
    return (EXIT_SUCCESS);
}

References add_env(), s_ms_data::args, s_ms_data::envp, exit_status_handler(), EXIT_SUCCESS, ft_putendl_fd(), ft_strcmp(), ft_strjoin(), INVALID_OPTION, and print_env().

Referenced by execute().

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print_env()

static void print_env ( t_env *  env )

static

Definition at line 54 of file export.c.

{
    t_env   *curr_node;
 
    curr_node = env;
    while (curr_node)
    {
        if (!ft_strcmp(curr_node->value, ""))
            ft_printf("declare -x %s\n", curr_node->key);
        else
            ft_printf("declare -x %s=\"%s\"\n", \
                curr_node->key, curr_node->value);
        curr_node = curr_node->next;
    }
}

References ft_printf(), ft_strcmp(), s_env::key, s_env::next, and s_env::value.

Referenced by builtin_export().

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