Initial commit

2026-01-09 15:20:33 +01:00
commit d0a9d550e5
31 changed files with 2248 additions and 0 deletions
--- a/srcs/utils/ft_itoa.c
+++ b/srcs/utils/ft_itoa.c
@@ -0,0 +1,62 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_itoa.c                                          :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: lejulien <marvin@42.fr>                    +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2021/03/31 16:22:36 by lejulien          #+#    #+#             */
+/*   Updated: 2021/03/31 16:22:41 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));
+}