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feat(convert/atou): adding the atou function

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- Can be usefull when the parsing of some project (like philosophers)
This commit is contained in:
Raphael 2025-09-08 10:21:48 +02:00
parent 4e15449d12
commit 28be9d6b91
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2 changed files with 51 additions and 1 deletions
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40
convert/ft_atou.c Normal file
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@ -0,0 +1,40 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atou.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/08 17:22:41 by rparodi #+# #+# */
/* Updated: 2025/09/08 10:16:01 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include <stddef.h>
static int ft_check_space(int c)
{
if (c == 32 || (c >= 9 && c <= 13))
return (1);
return (0);
}
size_t ft_atou(const char *nptr)
{
size_t i;
size_t number;
if (!nptr)
return (0);
i = 0;
number = 0;
while (nptr[i])
{
if (nptr[i] >= '0' && nptr[i] <= '9')
number = (number * 10) + nptr[i] - '0';
else
break ;
i++;
}
return (number);
}

12
includes/convert.h
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@ -6,13 +6,15 @@
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/31 14:57:24 by rparodi #+# #+# */
/* Updated: 2025/09/05 16:07:54 by rparodi ### ########.fr */
/* Updated: 2025/09/08 10:17:01 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef CONVERT_H
# define CONVERT_H
# include <stddef.h>
/**
* @brief Converts integer to string
*
@ -29,6 +31,14 @@ char *ft_itoa(int n);
*/
int ft_atoi(const char *nptr);
/**
* @brief Converts string to size_t
*
* @param nptr the string that will be converted
* @return The unsigned long long on the string
*/
size_t ft_atou(const char *nptr);
/**
* @brief Converts string to long long integer
*