#include "util.h"

#include <stdio.h>

// hex_dumb display network packets in a good way
void hex_dump(unsigned n, const unsigned char* buf)
{
int on_this_line = 0;
	while (n-- > 0) 
	{
		fprintf(stderr, "%02X ", *buf++);
		on_this_line += 1;
		if (on_this_line == 16 || n == 0) 
		{
			int i;
			
			fputs(" ", stderr);

			for (i = on_this_line; i < 16; i++)
				fputs(" ", stderr);
			
			for (i = on_this_line; i > 0; i--)
				fputc(isprint(buf[-i]) ? buf[-i] : '.', stderr);
			
			fputs("\n", stderr);
			on_this_line = 0;
		}
	}
}