C++ hexdecimal to unsigned char

Question

How can I conver hexdecimal string to unsigned char bytes ?

std::string = "ffddaabb";
to
unsgined char[] = "\xff\xdd\xaa\xbb";

Start here http://stackoverflow.com/q/1070497/335858, limit to two chars, and add results together as bytes. — Sergey Kalinichenko, Aug 22 '15 at 11:00
That will be help out.I split them like as you said.And put them one by one and worked .. Thanks — B3mB4m, Aug 22 '15 at 11:54

score -1 · Answer 1 · answered Aug 22 '15 at 11:05

-1

This is not an unsigned char

"\xff\xdd\xaa\xbb"

The correct type you get by assigning this literal is a const char pointer.

In order to get a single char you should do

unsigned char ch = 0x2A;

answered Aug 22 '15 at 11:05

GaryO

1 Answers1