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utils.c
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utils.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* utils.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: slouham <slouham@student.42.fr> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2024/05/08 17:56:56 by slouham #+# #+# */
/* Updated: 2024/05/10 15:20:27 by slouham ### ########.fr */
/* */
/* ************************************************************************** */
#include "minitalk.h"
int ft_isdigit(int c)
{
return (c >= '0' && c <= '9');
}
long ft_atoi(const char *str)
{
long sign;
long result;
sign = 1;
result = 0;
while (*str == ' ' || (*str >= '\t' && *str <= '\r'))
str++;
if (*str == '-' || *str == '+')
{
if (*str == '-')
sign = -1;
str++;
}
while (*str >= '0' && *str <= '9')
{
result = (result * 10) + (*str - '0');
str++;
}
return (result * sign);
}
int ft_putchar(char c)
{
return (write(1, &c, 1));
}
int ft_putstr(char *s)
{
int i;
i = 0;
if (!s)
return (ft_putstr("(null)"));
else
{
while (s[i])
write(1, &s[i++], 1);
}
return (i);
}
int ft_putnbr(int n)
{
int count;
count = 0;
if (n == -2147483648)
return (ft_putstr("-2147483648"));
else if (n < 0)
{
count += ft_putchar('-');
n *= -1;
count += ft_putnbr(n);
}
else if (n >= 0 && n <= 9)
count += ft_putchar(n + '0');
else
{
count += ft_putnbr(n / 10);
count += ft_putnbr(n % 10);
}
return (count);
}