From d7dd6e8ba8d9eeb73ddfb070ac0097d7d1685f9e Mon Sep 17 00:00:00 2001
From: hugodu69 <hugogogo@protonmail.com>
Date: Fri, 14 Feb 2020 12:02:46 +0100
Subject: [PATCH] itoa fonctionne pour les long et creation de utoa

---
 Makefile       |  1 +
 libft.h        |  1 +
 srcs/ft_utoa.c | 63 ++++++++++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 65 insertions(+)
 create mode 100644 srcs/ft_utoa.c

diff --git a/Makefile b/Makefile
index 32934b3..079c626 100644
--- a/Makefile
+++ b/Makefile
@@ -43,6 +43,7 @@ SRCS	=	ft_memset.c \
 			ft_strtrim.c \
 			ft_split.c \
 			ft_itoa.c \
+			ft_utoa.c \
 			ft_strmapi.c \
 			ft_putchar_fd.c \
 			ft_putstr_fd.c \
diff --git a/libft.h b/libft.h
index e01ccd0..de5dcca 100644
--- a/libft.h
+++ b/libft.h
@@ -46,6 +46,7 @@ char				*ft_strjoin(char const *s1, char const *s2);
 char				*ft_strtrim(char const *s1, char const *set);
 char				**ft_split(char const *s, char c);
 char				*ft_itoa(long int n);
+char				*ft_utoa(unsigned long int n);
 char				*ft_strmapi(char const *s, char (*f)(unsigned int, char));
 void				ft_putchar_fd(char c, int fd);
 void				ft_putstr_fd(char *s, int fd);
diff --git a/srcs/ft_utoa.c b/srcs/ft_utoa.c
new file mode 100644
index 0000000..7fc52dd
--- /dev/null
+++ b/srcs/ft_utoa.c
@@ -0,0 +1,63 @@
+
+/*
+**	take an unsigned integer and give a string
+*/
+
+/*
+**	#include <stdio.h>	// for printf
+**	#include <stdlib.h>	// for atoi
+**
+**	char			*ft_utoa(unsigned long int n);
+**
+**	int	main(int ac, char **av)
+**	{
+**		if (ac == 0)
+**			return (0);
+**		else if (ac == 2)
+**			printf("%s\n",ft_utoa(atoi(av[1])));
+**		else
+**		{
+**			unsigned long int i;
+**			i = 0;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 237683;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 1234567;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 12345678;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 2147483646;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 2147483647;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 2147483648;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 2147483649;
+**			printf("  %lu\n  %s\n\n",i,ft_utoa(i));
+**			i = 9223372036854775807;
+**			printf("| %lu\n| %s\n\n",i,ft_utoa(i));
+**		}
+**		return 0;
+**	}
+*/
+
+#include "libft.h"
+
+char			*ft_utoa(unsigned long int n)
+{
+	char				*str;
+	int					len;
+	unsigned long int	cpy;
+
+	cpy = n;
+	len = 1;
+	while (n /= 10)
+		len++;
+	if (!(str = (char *)malloc(sizeof(char) * (len + 1))))
+		return (NULL);
+	str[len] = '\0';
+	str[--len] = cpy % 10 + '0';
+	while (cpy /= 10)
+		str[--len] = cpy % 10 + '0';
+	return (str);
+}