update edge.md

_printf.c

@@ -22,11 +22,12 @@ int _printf(const char *format, ...)
 	}
 
 	va_start(arg_p, format);
+
 	while (*format)
 	{
 		if (*format != '%')
 		{
-			write(1, format, 1);
+			_putchar(*format);
 			char_printed++;
 		}
 

get_printer.c

@@ -21,6 +21,7 @@ int (*get_printer(char specifier))(va_list args)
 		{'o', print_octal},
 		{'x', print_hex_x},
 		{'X', print_hex_X},
+		{'S', print_custom_string},
 	};
 
 	for (i = 0; i < sizeof(printers) / sizeof(printers[0]); i++)

main.h

@@ -29,6 +29,7 @@ int _putchar(char c);
 int _print_digit(int num);
 int _print_string(char *str);
 int _print_number(unsigned long n);
+int _print_hex_X(unsigned int num);
 
 /* Printers */
 int print_char(va_list args);
@@ -40,6 +41,7 @@ int print_percentage(va_list args);
 int print_octal(va_list args);
 int print_hex_x(va_list args);
 int print_hex_X(va_list args);
+int print_custom_string(va_list args);
 
 int _printf(const char *format, ...);
 int (*get_printer(char specifier))(va_list args);

printers2.c

@@ -97,33 +97,36 @@ int print_hex_x(va_list args)
  */
 int print_hex_X(va_list args)
 {
-	int count = 0, i = 0, hex[32];
 	unsigned int num = va_arg(args, unsigned int);
 
-	if (num == 0)
-	{
-		_putchar('0');
-		count++;
-	}
-	else
+	return (_print_hex_X(num));
+}
+
+/**
+ * print_custom_string - Prints the non printable chars in hex format.
+ * @args: A va_list containing a character
+ *
+ * Return: The count of characters printed.
+ */
+int print_custom_string(va_list args)
+{
+	int count = 0;
+	char *str = va_arg(args, char *);
+
+	while (*str != '\0')
 	{
-		while (num > 0)
+		if ((*str > 0 && *str < 32) || *str >= 127)
 		{
-			hex[i] = num % 16;
-			num = num / 16;
-			i++;
-		}
+			count += _print_string("\\x");
+			if (*str < 16)
+				count += _putchar('0');
 
-		for (i = i - 1; i >= 0; i--)
-		{
-			if (hex[i] < 10)
-				_putchar(hex[i] + '0');
-			else
-			{
-				_putchar(hex[i] - 10 + 'A');
-			}
-			count++;
+			count += _print_hex_X(*str);
 		}
+		else
+			count += _putchar(*str);
+
+		str++;
 	}
 
 	return (count);

utils.c

@@ -46,7 +46,7 @@ int _print_string(char *str)
 
 	while (*str != '\0')
 	{
-		write(1, str, 1);
+		_putchar(*str);
 		len++;
 		str++;
 	}

utils_helpers.c

@@ -0,0 +1,40 @@
+#include "main.h"
+
+/**
+ * _print_hex_X - Prints the hexadecimal representation of an unsigned integer.
+ * @args: A va_list containing an unsigned integer
+ *
+ * Return: The count of characters printed.
+ */
+int _print_hex_X(unsigned int num)
+{
+	int count = 0, i = 0, hex[32];
+
+	if (num == 0)
+	{
+		_putchar('0');
+		count++;
+	}
+	else
+	{
+		while (num > 0)
+		{
+			hex[i] = num % 16;
+			num = num / 16;
+			i++;
+		}
+
+		for (i = i - 1; i >= 0; i--)
+		{
+			if (hex[i] < 10)
+				_putchar(hex[i] + '0');
+			else
+			{
+				_putchar(hex[i] - 10 + 'A');
+			}
+			count++;
+		}
+	}
+
+	return (count);
+}