modified itoa and its headers

srcs/ft_itoa.cpp

@@ -1,59 +1,13 @@
 
 # include <sstream>
-#include <string.h>
+# include <string.h>
 
-static int	eval_is_negative(int *n)
+char*	itoa(int n)
 {
-	if (*n < 0)
-	{
-		*n = *n * -1;
-		return (1);
-	}
-	return (0);
-}
+	std::stringstream	strs;
+	char *				str;
 
-static int	eval_digit_nbr(int n)
-{
-	int		digit_nbr;
-
-	if (n == 0)
-		return (1);
-	digit_nbr = 0;
-	while (n != 0)
-	{
-		digit_nbr++;
-		n = n / 10;
-	}
-	return (digit_nbr);
-}
-
-char	*ft_itoa(int n)
-{
-
-//	std::stringstream	strs;
-//	std::string			s;
-//
-//	strs << n;
-//	s = strs.str();
-//	return ((char*)(s.c_str()));
-
-	int		i;
-	char	*str;
-	int		is_negative;
-
-	if (n == -2147483648)
-		return (strdup("-2147483648"));
-	is_negative = eval_is_negative(&n);
-	i = eval_digit_nbr(n) + is_negative;
-	str = new char[i+1];
-	if (is_negative)
-		str[0] = '-';
-	str[i] = '\0';
-	while (i > 0 + is_negative)
-	{
-		i--;
-		str[i] = (n % 10) + '0';
-		n = n / 10;
-	}
+	strs << n;
+	str = (char*)(strs.str().c_str());
 	return (str);
 }