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Adding the libft

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This commit is contained in:
Raphael 2024-10-31 17:24:36 +01:00
parent 1b98b537b7
commit c947e43e51
62 changed files with 2098 additions and 19 deletions
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60
libft/convert/ft_atoi.c Normal file
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@ -0,0 +1,60 @@
/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/08 17:22:41 by rparodi #+# #+# */
/* Updated: 2024/10/31 15:16:10 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_check_space(int c)
{
if (c == 32 || (c >= 9 && c <= 13))
return (1);
return (0);
}
static int ft_check_sign(const char *nptr, int *i)
{
while (ft_check_space(nptr[*i]))
(*i)++;
if (nptr[*i] == '-')
{
(*i)++;
return (-1);
}
else if (nptr[*i] == '+')
(*i)++;
return (1);
}
/**
* @brief Converts string to integer
*
* @param nptr the string that will be converted
* @return The integer on the string
*/
int ft_atoi(const char *nptr)
{
int i;
int sign;
int number;
i = 0;
sign = ft_check_sign(nptr, &i);
number = 0;
while (nptr[i])
{
if (nptr[i] >= '0' && nptr[i] <= '9')
number = (number * 10) + nptr[i] - '0';
else
break ;
i++;
}
return (sign * number);
}

60
libft/convert/ft_atoll.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoll.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <rparodi@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/10/31 15:12:07 by rparodi #+# #+# */
/* Updated: 2024/10/31 15:14:50 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static int ft_check_space(int c)
{
if (c == 32 || (c >= 9 && c <= 13))
return (1);
return (0);
}
static int ft_check_sign(const char *nptr, size_t *i)
{
while (ft_check_space(nptr[*i]))
(*i)++;
if (nptr[*i] == '-')
{
(*i)++;
return (-1);
}
else if (nptr[*i] == '+')
(*i)++;
return (1);
}
/**
* @brief Converts string to long long integer
*
* @param nptr the string that will be converted
* @return The long long int on the string
*/
long long int ft_atoll(const char *nptr)
{
size_t i;
int sign;
long long int number;
i = 0;
sign = ft_check_sign(nptr, &i);
number = 0;
while (nptr[i])
{
if (nptr[i] >= '0' && nptr[i] <= '9')
number = (number * 10) + nptr[i] - '0';
else
break ;
i++;
}
return (sign * number);
}

58
libft/convert/ft_itoa.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: rparodi <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2023/11/09 13:56:30 by rparodi #+# #+# */
/* Updated: 2024/10/31 13:02:55 by rparodi ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
static size_t ft_check_sign(char *str, long *nb)
{
if ((*nb) == 0)
str[0] = '0';
if ((*nb) < 0)
{
str[0] = '-';
*nb = -*nb;
return (1);
}
return (0);
}
/**
* @brief Converts integer to string
*
* @param n the integer that will be converted
* @return The string with this integer
*/
char *ft_itoa(int n)
{
size_t i;
size_t modulus;
short int maiboyerlpb;
char str[13];
long nb;
nb = n;
maiboyerlpb = 0;
modulus = 1000000000;
ft_bzero(str, 13);
i = ft_check_sign(str, &nb);
while (modulus != 0)
{
if (nb / modulus != 0 || maiboyerlpb != 0)
{
str[i++] = (nb / modulus) + 48;
maiboyerlpb++;
}
nb %= modulus;
modulus /= 10;
}
return (ft_strdup(str));
}