42 lines
1.5 KiB
C
42 lines
1.5 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: erey-bet <marvin@42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2023/02/24 10:17:59 by erey-bet #+# #+# */
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/* Updated: 2023/02/28 14:55:39 by erey-bet ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "./builtins_private.h"
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static int error(int err, char *reason, char *problem)
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{
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ft_putstr_fd("minishell: exit ", 2);
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if (problem != NULL)
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{
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ft_putstr_fd(problem, 2);
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write(2, ": ", 3);
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}
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ft_putstr_fd(reason, 2);
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return (err);
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}
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int ft_exit(char **args)
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{
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int err;
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if (args[0] == NULL)
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return (0);
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err = ft_atoi_check(args[0]);
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if (err == 1)
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return (error(err, "numeric argument required", args[0]));
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if (args[1] != NULL)
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return (error(-1, "too many arguments", NULL));
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if (err > 0)
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return(error(err, "numeric argument required", args[0]));
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return ((ft_atoi(args[0]) % 256 + 256) % 256);
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}
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