c03 and begin c04

1 files changed, 44 insertions, 0 deletions

diff --git a/c04/ex02/ft_putnbr.c b/c04/ex02/ft_putnbr.c
new file mode 100644
index 0000000..8a13dc5
--- /dev/null
+++ b/c04/ex02/ft_putnbr.c
@@ -0,0 +1,44 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_putnbr.c                                        :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: cacharle <charles.cabergs@gmail.com>       +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2019/07/06 07:24:04 by cacharle          #+#    #+#             */
+/*   Updated: 2019/07/06 08:34:48 by cacharle         ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include <unistd.h>
+
+void	ft_putchar(char c)
+{
+	write(1, &c, 1);
+}
+
+void	ft_putnbr(int nb)
+{
+	int 			i;
+	int				rev_digits[100];
+	unsigned int	nbu;
+
+	if (nb < 0)
+	{
+		ft_putchar('-');
+		nbu = -nb;
+	} else
+		nbu = nb;
+	i = 0;
+	while (nbu > 0)
+	{
+		rev_digits[i] = nbu % 10;
+		nbu /= 10;
+		i++;
+	}
+	while (i > 0)
+	{
+		i--;
+		ft_putchar(rev_digits[i] + '0');
+	}
+}