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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* exit.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:10:16 by charles #+# #+# */
/* Updated: 2020/09/13 20:25:55 by charles ### ########.fr */
/* */
/* ************************************************************************** */
/*
** \file exit.c
** \brief `exit` builtin
*/
#include "minishell.h"
/*
** \brief Exit the current process with a status
** \param argv arguments
** \param env environment
** \return always 0
*/
int builtin_exit(char **argv, t_env env)
{
long status;
char *after;
(void)env;
if (argv[1] == NULL)
status = g_last_status;
else
{
errno = 0;
status = ft_strtol(argv[1], &after, 10);
while (ft_isblank(*after))
after++;
if (*after != '\0' || errno == ERANGE)
return (errorf_ret(2, "exit: %s: numeric argument required\n", argv[1]));
if (argv[2] != NULL)
return (errorf_ret(1, "exit: too many arguments\n"));
}
exit(status % 256);
return (0);
}
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