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lejulien
2026-01-09 15:45:59 +01:00
commit 2dbcbac9ef
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74
philo_one/srcs/utils/ft_atoi.c Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_atoi.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lejulien <lejulien@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/03/05 13:06:04 by lejulien #+# #+# */
/* Updated: 2021/04/15 10:34:00 by lejulien ### ########.fr */
/* */
/* ************************************************************************** */
static int
ft_isspace(char c)
{
if ((c == '\f') || (c == '\t') || (c == '\n') || (c == '\r')
|| (c == '\v') || (c == ' '))
{
return (1);
}
return (0);
}
int
ft_atoi(const char *str)
{
int nbr;
int sign;
int index;
nbr = 0;
sign = 1;
index = 0;
while ((ft_isspace(str[index]) == 1) && str[index] != '\0')
index++;
if ((str[index] == '+') || (str[index] == '-'))
{
if (str[index] == '-')
sign = -1;
index++;
}
while ((str[index] >= '0') && (str[index] <= '9'))
{
nbr = (nbr * 10) + (str[index] - '0');
index++;
}
return (sign * nbr);
}
unsigned long int
ft_atouli(const char *str)
{
unsigned long int nbr;
int sign;
unsigned long int index;
nbr = 0;
sign = 1;
index = 0;
while ((ft_isspace(str[index]) == 1) && str[index] != '\0')
index++;
if ((str[index] == '+') || (str[index] == '-'))
{
if (str[index] == '-')
sign = -1;
index++;
}
while ((str[index] >= '0') && (str[index] <= '9'))
{
nbr = (nbr * 10) + (str[index] - '0');
index++;
}
return (sign * nbr);
}

111
philo_one/srcs/utils/ft_itoa.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_itoa.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lejulien <lejulien@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/04/15 10:35:00 by lejulien #+# #+# */
/* Updated: 2021/04/15 11:15:45 by lejulien ### ########.fr */
/* */
/* ************************************************************************** */
#include <stdlib.h>
static char *ft_itoa2(int iszero, unsigned int nu, int i)
{
char *res;
if (!(res = malloc((i + 1) * sizeof(char))))
return (0);
res[i] = '\0';
while (nu > 0)
{
i--;
res[i] = nu % 10 + '0';
nu = nu / 10;
}
i--;
if (iszero)
{
res[i] = nu + '0';
i--;
}
if (i == 0)
res[i] = '-';
return (res);
}
char *ft_itoa(int n)
{
unsigned int nu;
int i;
int iszero;
i = 0;
if (n <= 0)
{
nu = -n;
i++;
}
else
nu = n;
iszero = 0;
while (n != 0)
{
n = n / 10;
i++;
}
if (nu == 0)
iszero++;
return (ft_itoa2(iszero, nu, i));
}
static char *ft_ulitoa2(int iszero, unsigned long int nu, int i)
{
char *res;
if (!(res = malloc((i + 1) * sizeof(char))))
return (0);
res[i] = '\0';
while (nu > 0)
{
i--;
res[i] = nu % 10 + '0';
nu = nu / 10;
}
i--;
if (iszero)
{
res[i] = nu + '0';
i--;
}
if (i == 0)
res[i] = '-';
return (res);
}
char *ft_ulitoa(unsigned long int n)
{
unsigned long int nu;
int i;
int iszero;
i = 0;
if (n <= 0)
{
nu = -n;
i++;
}
else
nu = n;
iszero = 0;
while (n != 0)
{
n = n / 10;
i++;
}
if (nu == 0)
iszero++;
return (ft_itoa2(iszero, nu, i));
}

28
philo_one/srcs/utils/ft_strcmp.c Normal file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_strcmp.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lejulien <marvin@42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/03/31 15:46:04 by lejulien #+# #+# */
/* Updated: 2021/04/15 10:58:32 by lejulien ### ########.fr */
/* */
/* ************************************************************************** */
int ft_strcmp(char *s1, char *s2)
{
int index;
index = 0;
while (s2[index] && s1[index])
{
if (s1[index] == s2[index])
index++;
else
return (1);
}
if (s1[index] == '\0' && s2[index] == '\0')
return (0);
return (1);
}

21
philo_one/srcs/utils/utils.h Executable file
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.h :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: lejulien <lejulien@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/04/03 15:42:26 by lejulien #+# #+# */
/* Updated: 2021/04/15 10:54:39 by lejulien ### ########.fr */
/* */
/* ************************************************************************** */
#ifndef UTILS_H
# define UTILS_H
int ft_atoi(char *str);
unsigned long int ft_atouli(char *str);
char *ft_itoa(int n);
char *ft_ulitoa(unsigned long int n);
int ft_strcmp(char *s1, char *s2);
#endif