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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* exit.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: charles <charles.cabergs@gmail.com> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2020/04/01 17:10:16 by charles #+# #+# */
/* Updated: 2020/07/17 16:36:03 by charles ### ########.fr */
/* */
/* ************************************************************************** */
#include "minishell.h"
/*
** \file exit.c
** \brief `exit` builtin
*/
int builtin_exit(char **argv, t_env env)
{
long status;
char *after;
(void)env;
if (argv[1] == NULL)
status = g_last_status_code;
else
{
errno = 0;
status = ft_strtol(argv[1], &after, 10);
while (ft_isblank(*after))
after++;
if (*after != '\0' || errno == ERANGE)
{
// replace with minishell error system
ft_putstr_fd("minishell: exit: ", STDERR_FILENO);
ft_putstr_fd(argv[1], STDERR_FILENO);
ft_putstr_fd(": numeric argument required\n", STDERR_FILENO);
return 2;
}
if (argv[2] != NULL)
{
// replace with minishell error system
ft_putendl_fd("minishell: exit: too many arguments", STDERR_FILENO);
return 1;
}
}
exit(status % 256);
return (0);
}
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