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ft_unset.c
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ft_unset.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_unset.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: seojchoi <seojchoi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/08/08 15:43:16 by seojchoi #+# #+# */
/* Updated: 2023/09/10 16:46:45 by seojchoi ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
void delete_node(t_list *my_envp, t_node *iter)
{
if (iter->prev != NULL)
iter->prev->next = iter->next;
else
my_envp->head = iter->next;
if (iter->next != NULL)
iter->next->prev = iter->prev;
else
my_envp->tail = iter->prev;
free(iter->content);
free(iter);
}
void unset_node(t_list *my_envp, char *key)
{
t_node *iter;
iter = my_envp->head;
while (iter)
{
if (ft_strncmp(key, iter->content, ft_strlen(key)) == 0)
{
delete_node(my_envp, iter);
break ;
}
iter = iter->next;
}
}
void ft_unset(t_list *my_envp, char **cmd_line)
{
int i;
char *key;
i = 1;
while (cmd_line[i])
{
key = ft_strjoin(cmd_line[i], "=");
unset_node(my_envp, key);
free(key);
i++;
}
}