From 7ae4cdef678a112edb41a240ed6eef1f33ae8393 Mon Sep 17 00:00:00 2001
From: Fernando Gonzalez-Morales <542@holbertonschool.com>
Date: Tue, 23 Oct 2018 23:27:57 +0000
Subject: [PATCH] Handled unsigned integer printing.

---
 holberton.h         |  2 ++
 print_funcs.c       | 52 +++++++++++++++++++++++++++++++++++++++------
 printf.c            |  2 ++
 tests/small_tests.c |  5 +++--
 4 files changed, 53 insertions(+), 8 deletions(-)

diff --git a/holberton.h b/holberton.h
index 653c8dd..a4ac239 100644
--- a/holberton.h
+++ b/holberton.h
@@ -18,7 +18,9 @@ int _printf(const char *format, ...);
 int print_char(va_list ap);
 int print_string(va_list ap);
 int print_int(va_list ap);
+int print_unsigned(va_list ap);
 int print_digit(int num, int *count);
+int print_digit_unsigned(unsigned int num, int *count);
 int call_print_fn(char ch, print_t funcs[], va_list ap);
 
 #endif
diff --git a/print_funcs.c b/print_funcs.c
index 823b156..9773016 100644
--- a/print_funcs.c
+++ b/print_funcs.c
@@ -31,7 +31,7 @@ int print_string(va_list ap)
 }
 
 /**
- * print_int - prints a digit from va_list
+ * print_int - prints an integer from va_list
  * @ap: va_list object from calling function
  * Return: integer count of characters printed
  */
@@ -40,7 +40,7 @@ int print_int(va_list ap)
 	int *count_ptr;
 	int num;
 
-	count_ptr = malloc(sizeof(int));
+	count_ptr = malloc(sizeof(*count_ptr));
 
 	if (!count_ptr)
 		exit(-1);
@@ -55,9 +55,9 @@ int print_int(va_list ap)
 
 /**
  * print_digit - print the digits recursively
- * @num: next num in the va_arg list
- * @count: count digits
- * Return: Always 0
+ * @num: next int in the va_arg list
+ * @count: pointer to integer count digits
+ * Return: pointer to integer count of character printed
  */
 int print_digit(int num, int *count)
 {
@@ -65,7 +65,7 @@ int print_digit(int num, int *count)
 	{
 		(*count) += _putchar('-');
 		num = -num;
-	} /* handle int min & max */
+	} /* TODO handle int min & max */
 
 	if (num / 10)
 	{
@@ -75,3 +75,43 @@ int print_digit(int num, int *count)
 	(*count) += _putchar((num % 10) + '0');
 	return (*count);
 }
+
+/**
+ * print_unsigned - prints an unsigned int from va_list
+ * @ap: va_list object from calling function
+ * Return: integer count of characters printed
+ */
+int print_unsigned(va_list ap)
+{
+	int *count_ptr;
+	unsigned int num;
+
+	count_ptr = malloc(sizeof(*count_ptr));
+
+	if (!count_ptr)
+		exit(-1);
+
+	*count_ptr = 0;
+	num = va_arg(ap, int);
+
+	(*count_ptr) = print_digit_unsigned(num, count_ptr);
+
+	return (*count_ptr);
+}
+
+/**
+ * print_digit_unsigned - print the digits recursively
+ * @num: next unsigned int in the va_arg list
+ * @count: pointer to integer count digits
+ * Return: pointer to integer count of character printed
+ */
+int print_digit_unsigned(unsigned int num, int *count)
+{
+	if (num / 10)
+	{
+		print_digit_unsigned(num / 10, count);
+	}
+
+	(*count) += _putchar((num % 10) + '0');
+	return (*count);
+}
diff --git a/printf.c b/printf.c
index 48c6e14..b53b898 100644
--- a/printf.c
+++ b/printf.c
@@ -16,6 +16,7 @@ int _printf(const char *format, ...)
 		{"s", print_string},
 		{"d", print_int},
 		{"i", print_int},
+		{"u", print_unsigned},
 		{NULL, NULL}
 	};
 	va_start(ap, format);
@@ -35,6 +36,7 @@ int _printf(const char *format, ...)
 		case 's':
 		case 'd':
 		case 'i':
+		case 'u':
 			count += call_print_fn(format[i], funcs, ap);
 			break;
 		default:
diff --git a/tests/small_tests.c b/tests/small_tests.c
index e516e7d..f7e52a5 100644
--- a/tests/small_tests.c
+++ b/tests/small_tests.c
@@ -1,4 +1,5 @@
 #include <stdio.h>
+#include <limits.h>
 #include "../holberton.h"
 
 /**
@@ -10,8 +11,8 @@ int main(void)
 	int a = 0;
 	int b = 0;
 
-	a = printf("stdio%");
-	b = _printf("ours%");
+	a = printf("stdio %u\n", UINT_MAX);
+	b = _printf("ours %u\n", UINT_MAX);
 /*	printf("%d", a);*/
 	printf("(%d, %d)\n", a, b);