1 files changed, 30 insertions, 0 deletions
diff --git a/ft_puthexlower.c b/ft_puthexlower.c
new file mode 100644
index 0000000..282328a
--- /dev/null
+++ b/ft_puthexlower.c
@@ -0,0 +1,30 @@
+
+// parameter is unsigned long so function does not
+// overflow when LONG_MAX is the address
+// we use recursion to print backwards
+
+#include "ft_printf.h"
+
+int	ft_puthexlower(unsigned long n)
+{
+	const char	hex[16] = "0123456789abcdef";
+	int			save;
+	int			remainder;
+	int			counter;
+
+	remainder = 0;
+	save = 0;
+	counter = 0;
+	if (n > 15)
+	{
+		save = n;
+		n /= 16;
+		remainder = save - (n * 16);
+		counter += ft_puthexlower(n);
+		counter += write(1, &hex[remainder], 1);
+	}
+	else
+		counter += write(1, &hex[n], 1);
+	return (counter);
+}
+