fork(1) download
copy 
  1. #include <string>
  2. #include <sstream>
  3. #include <iomanip>
  4. #include <iostream>
  5.  
  6. void create_hex_str(uint8_t *data, int len, std::string &tgt)
  7. {
  8.     std::stringstream ss;
  9.     ss << std::hex << std::setfill('0');
  10.     ss << "\n";
  11.     for (int i=0; i<len; i++)
  12.     {
  13.         ss << std::setw(2) << static_cast<unsigned>(data[i]) << " ";        
  14.     }
  15.     tgt = ss.str();
  16. }
  17.  
  18. int main()
  19. {
  20.     /* char buf[] = {
  21.         0x2,
  22.         0x0,
  23.         0x3,
  24.         0x3,
  25.         0x0,
  26.         0x0,
  27.         0x6,
  28.         0x4,
  29.         0x0,
  30.         0x2,
  31.         0x0,
  32.         0x0
  33.     }; */
  34.  
  35.     char *buf = new char[12];
  36.     buf[0] = 0x2;
  37.     buf[1] = 0x0;
  38.     buf[2] = 0x3;
  39.     buf[3] = 0x3;
  40.     buf[4] = 0x0;
  41.     buf[5] = 0x0;
  42.     buf[6] = 0x6;
  43.     buf[7] = 0x4;
  44.     buf[8] = 0x0;
  45.     buf[9] = 0x2;
  46.     buf[10] =0x0;
  47.     buf[11] =0x0;
  48.  
  49.     std::string hex_string;
  50.     create_hex_str((uint8_t*)buf, 12, hex_string);
  51.     std::cout << hex_string;
  52. }
  53.  
Success #stdin #stdout 0s 3476KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
02 00 03 03 00 00 06 04 00 02 00 00
https://ideone.com/eEf99Y
language:
C++14 (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!