ft_putnbr_fd

✅ft_putnbr_fd

• Outputs the integer n to the given file descriptor.
• 정수 'n'을 주어진 파일디스크립터로 출력.

💾Prototype

void ft_putnbr_fd(int n, int fd);

💻Parameters

• n : The integer to output.
• fd : The file descriptor on which to write.

💻Return value

• None

💾Code

#include "libft.h"

void	ft_putnbr_fd(int n, int fd)
{
	char	str;

	if (n == -2147483648)
	{
		ft_putnbr_fd(n / 10, fd);
		write(fd, "8", 1);
		return ;
	}
	else if (n < 0)
	{
		write(fd, "-", 1);
		n *= -1;
	}
	if (n >= 10)
	{
		ft_putnbr_fd(n / 10, fd);
		str = '0' + n % 10;
	}
	else
		str = '0' + n;
	write(fd, &str, 1);
}

💡오버플로우 때문에 -2147483648만 따로 처리함