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yabtaour
GitHub Repository: yabtaour/Minishell-42
 Path: blob/main/builtin/export/export_utils.c
1407 views
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/* ************************************************************************** */

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/*                                                                            */

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/*                                                        :::      ::::::::   */

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/*   export_utils.c                                     :+:      :+:    :+:   */

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/*                                                    +:+ +:+         +:+     */

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/*   By: ssabbaji <[email protected]>          +#+  +:+       +#+        */

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/*                                                +#+#+#+#+#+   +#+           */

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/*   Created: 2022/07/27 17:56:21 by yabtaour          #+#    #+#             */

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/*   Updated: 2022/09/19 16:30:06 by ssabbaji         ###   ########.fr       */

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/*                                                                            */

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/* ************************************************************************** */

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#include "../../minishell.h"

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int	ft_change_env_value(t_data *data, char *name, char *value)

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{

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	t_env	*env_clone;

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	env_clone = data->lst_env;

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	while (env_clone)

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	{

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		if (ft_strcmp(name, env_clone->name) == 0)

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		{

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			if (value)

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			{

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				free(env_clone->value);

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				if (value[0] == '\0')

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				{

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					env_clone->value = malloc (1);

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					env_clone->value[0] = '\0';

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				}

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				else

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					env_clone->value = ft_substr(value, 0, ft_strlen(value));

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			}

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		}

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		env_clone = env_clone->next;

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	}

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	free(name);

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	if (value)

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		free(value);

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	return (0);

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}

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int	ft_name_exists(t_data *data, char *name)

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{

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	t_env	*env_clone;

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	if (!name)

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		return (0);

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	env_clone = data->lst_env;

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	while (env_clone)

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	{

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		if (ft_strcmp(name, env_clone->name) == 0)

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			return (1);

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		env_clone = env_clone->next;

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	}

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	return (0);

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}

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char	*ft_get_name_exp(char *name)

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{

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	int		i;

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	char	*new_name;

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	new_name = NULL;

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	i = 0;

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	if (!name)

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		return (NULL);

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	while (name[i] && name[i] != '=')

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		i++;

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	new_name = ft_substr(name, 0, i);

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	return (new_name);

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}

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char	*export_no_value(char *value, int idx)

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{

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	char	*new;

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	if (value[idx] == '\0')

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	{

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		new = malloc(sizeof(char) * 1);

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		new[0] = '\0';

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		return (new);

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	}

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	return (NULL);

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}

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char	*ft_get_value_exp(char *value)

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{

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	int		i;

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	int		j;

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	int		origin;

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	char	*new_value;

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	i = 0;

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	j = 0;

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	new_value = NULL;

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	if (!value)

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		return (NULL);

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	while (value[i] && value[i] != '=')

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		i++;

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	if (value[i])

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	{

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		origin = i + 1;

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		new_value = export_no_value(value, origin);

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		if (new_value)

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			return (new_value);

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		while (value[++i])

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			j++;

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		new_value = ft_substr(value, origin, j);

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	}

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	return (new_value);

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}

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