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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* unset.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:10:51 by charles #+# #+# */
/* Updated: 2020/09/15 17:46:55 by charles ### ########.fr */
/* */
/* ************************************************************************** */
/*
** \file unset.c
** \brief `unset` builtin
*/
#include "minishell.h"
/*
** \brief Remove variables from the environment
** \param argv arguments
** \param env environment
** \return a status code or EVAL_FATAL on fatal error
*/
int builtin_unset(char **argv, t_env env)
{
size_t i;
size_t found_index;
int status;
status = 0;
i = 0;
while (argv[++i] != NULL)
{
if (*argv[i] == '\0'
|| env_key_len(argv[i], false) != ft_strlen(argv[i]))
{
errorf("unset: `%s': not a valid identifier\n", argv[i]);
status = 1;
continue ;
}
if (env_search(env, argv[i], &found_index) == NULL)
continue ;
ft_vecremove(env, found_index, free);
}
return (status);
}
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