100 lines
2.3 KiB
C
100 lines
2.3 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* exit.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: apommier <apommier@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2022/04/20 17:53:35 by apommier #+# #+# */
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/* Updated: 2022/04/20 18:14:27 by apommier ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "../../includes/minishell.h"
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unsigned long long ft_atoi_long(const char *nptr)
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{
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int i;
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unsigned long long nbr;
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unsigned long long minus;
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minus = 1;
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nbr = 0;
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i = 0;
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while ((nptr[i] >= 9 && nptr[i] <= 13) || nptr[i] == 32)
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i++;
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if (nptr[i] == '+')
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i++;
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else if (nptr[i] == '-')
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{
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i++;
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minus = -1;
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}
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while (nptr[i] >= '0' && nptr[i] <= '9')
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{
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nbr = nbr * 10 + nptr[i] - '0';
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i++;
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}
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return (minus * nbr);
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}
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int max_long(char *nbr)
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{
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unsigned long long long_max;
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long_max = 9223372036854775807;
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if (ft_strlen(nbr) > 20)
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return (1);
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if (nbr[0] == '-')
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{
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if (ft_atoi_long(nbr + 1) > long_max + 1)
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return (1);
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}
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else if (ft_atoi_long(nbr) > long_max)
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return (1);
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return (0);
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}
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void exit_error(t_cmd *cmd)
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{
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ft_putstr_fd("Minishell: exit: numeric argument required\n", 2);
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exit_shell(cmd, 2);
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}
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int check_exit_args(t_s_cmd *cmd)
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{
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if (cmd->nb_args > 2)
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{
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ft_putstr_fd("Minishell: exit: too many arguments\n", 2);
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if (cmd->child)
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cmd->big_cmd->err_var = 1;
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else
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exit(1);
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return (0);
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}
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return (1);
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}
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void ft_exit(t_s_cmd *cmd)
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{
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int i;
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i = 0;
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if (!check_exit_args(cmd))
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return ;
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else if (cmd->nb_args == 1)
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exit_shell(cmd->big_cmd, 0);
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while (cmd->args[1][i] == ' ')
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i++;
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if (cmd->args[1][i] == '-')
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i++;
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while (cmd->args[1][i])
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{
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if (!ft_isdigit(cmd->args[1][i++]))
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exit_error(cmd->big_cmd);
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}
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if (max_long(cmd->args[1]))
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exit_error(cmd->big_cmd);
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exit_shell(cmd->big_cmd, ft_atoi(cmd->args[1]));
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}
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