basic HTTP GET response

srcs/ft_itoa.cpp

@@ -0,0 +1,50 @@
+
+#include <string.h>
+
+static int	eval_is_negative(int *n)
+{
+	if (*n < 0)
+	{
+		*n = *n * -1;
+		return (1);
+	}
+	return (0);
+}
+
+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)
+{
+	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;
+	}
+	return (str);
+}