added: ft_atoll ft_lltoa

Author: Jean-Michel Gigault

Makefile

@@ -60,6 +60,7 @@ SRCS	=	\
 			ft_arr_/ft_array_push_front.c		\
 			ft_arr_/ft_array_push_index.c		\
 			ft_ito_/ft_itoa.c					\
+			ft_ito_/ft_lltoa.c					\
 			ft_math_/ft_powi.c					\
 			ft_mem_/ft_memalloc.c				\
 			ft_mem_/ft_memdel.c					\
@@ -164,6 +165,7 @@ SRCS	=	\
 			recodes/ft_strcmp.c					\
 			recodes/ft_strncmp.c				\
 			recodes/ft_atoi.c					\
+			recodes/ft_atoll.c					\
 			recodes/ft_isalpha.c				\
 			recodes/ft_isdigit.c				\
 			recodes/ft_isalnum.c				\

incs/libft.h

@@ -21,6 +21,7 @@ int					ft_array_push_index(char ***array, char const *value,
 */
 
 char				*ft_itoa(int n);
+char				*ft_lltoa(long long n);
 
 /*
 ** Mathematics
@@ -108,6 +109,7 @@ void				*ft_memchr(const void *s, int c, size_t n);
 int					ft_memcmp(const void *s1, const void *s2, size_t n);
 
 int					ft_atoi(const char *str);
+long long			ft_atoll(const char *str);
 
 int					ft_isalpha(int c);
 int					ft_isdigit(int c);

srcs/ft_ito_/ft_lltoa.c

@@ -0,0 +1,39 @@
+#include <string.h>
+#include "libftprintf.h"
+
+static void			ft_lltoa_getlength(size_t *len, long long *n)
+{
+	long long		n2;
+
+	*len = 0;
+	n2 = *n;
+	while (n2 != 0)
+	{
+		(*len)++;
+		n2 = n2 / 10;
+	}
+}
+
+char				*ft_lltoa(long long n)
+{
+	char				*str;
+	size_t				len;
+	unsigned long long	n2;
+
+	ft_lltoa_getlength(&len, &n);
+	n2 = (n < 0 ? -n : n);
+	str = ft_strnew(len + 1);
+	if (!str)
+		return (NULL);
+	while (len > 0)
+	{
+		str[len - (n < 0 ? 0 : 1)] = (n2 % 10) + 48;
+		n2 = n2 / 10;
+		len--;
+	}
+	if (n < 0)
+		str[0] = '-';
+	else if (n == 0)
+		str[0] = '0';
+	return (str);
+}

srcs/recodes/ft_atoll.c

@@ -0,0 +1,26 @@
+#include <string.h>
+#include "libftprintf.h"
+
+long long			ft_atoll(char const *str)
+{
+	short			neg;
+	long long		res;
+
+	neg = 0;
+	res = 0;
+	while (ft_isspace(*str))
+		str++;
+	if (*str == '-' || *str == '+')
+	{
+		if (*str == '-')
+			neg = 1;
+		str++;
+	}
+	while (*str && ft_isdigit(*str))
+	{
+		res = res * 10;
+		res += (*str - 48);
+		str++;
+	}
+	return ((neg == 1 ? -res : res));
+}