beba6ce86f
started conversion of functions to data structure system still WIP added first iteration of int parser does not check for int overflow
78 lines
1.9 KiB
C
78 lines
1.9 KiB
C
/* ************************************************************************** */
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/* */
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/* ::: :::::::: */
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/* checker.c :+: :+: :+: */
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/* +:+ +:+ +:+ */
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/* By: tmaze <tmaze@student.42.fr> +#+ +:+ +#+ */
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/* +#+#+#+#+#+ +#+ */
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/* Created: 2019/02/23 13:35:15 by tmaze #+# #+# */
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/* Updated: 2019/02/23 14:55:14 by tmaze ### ########.fr */
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/* */
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/* ************************************************************************** */
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#include "push_swap.h"
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int ft_issign(char c)
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{
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return (c == '+' || c == '-');
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}
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int ft_iswhitespace(char c)
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{
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return (c == ' ' || c == '\t' || c == '\n' || c == '\v' || c == '\f'
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|| c == '\r');
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}
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int ft_hasdigit(char *s)
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{
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int i;
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i = 0;
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while (s[i] && !ft_isdigit(s[i]))
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i++;
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return (ft_isdigit(s[i]));
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}
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int check_input(char *in, int *ret)
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{
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int i;
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i = 0;
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ret = 0;
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while (in[i] && ft_iswhitespace(in[i]))
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i++;
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if (in[i] && ft_issign(in[i]))
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i++;
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while (in[i] && ft_iswhitespace(in[i]))
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i++;
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while (in[i] && ft_isdigit(in[i]))
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i++;
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while (in[i] && ft_iswhitespace(in[i]))
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i++;
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if (in[i] == '\0' && ft_hasdigit(in))
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*ret = ft_atoi(in);
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return (in[i] == '\0' && ft_hasdigit(in));
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}
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int main(int ac, char **av)
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{
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int i;
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int nb;
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t_stack *new;
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t_psdata data;
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i = ac;
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while (i > 0)
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{
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if (check_input(av[i], &nb) && (new = ps_stknew(nb)) != NULL)
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ps_stkpsh(&(data.a), new);
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else
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{
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ft_putendl_fd("Error", 2);
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ps_stkclean(&data);
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return (2);
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}
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i--;
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}
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}
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