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ft_count_digit.c
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ft_count_digit.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_count_digit.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: dalves-p <dalves-p@student.42sp.org.br> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/07/05 18:24:49 by dalves-p #+# #+# */
/* Updated: 2022/05/26 16:36:38 by dalves-p ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
/*
** LIBRARY: N/A
** DESCRIPTION:
** The ft_count_digit() counts how many digits the integer has.
*/
size_t ft_count_digit(long long int n)
{
size_t c;
if (n == 0)
return (1);
c = 0;
if (n < -9223372036854775807)
{
c++;
n = n / 10;
}
if (n < 0)
{
n = -n;
c++;
}
while (n > 0)
{
n = n / 10;
c++;
}
return (c);
}