opensc/src/tools/util.c

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>

#include "util.h"

void print_binary(FILE *f, const u8 *buf, int count)
{
	int i;
	
	for (i = 0; i < count; i++) {
		unsigned char c = buf[i];
		const char *format;
		if (!isalnum(c) && !ispunct(c) && !isspace(c))
			format = "\\x%02X";
		else
			format = "%c";
		fprintf(f, format, c);
	}
	(void) fflush(f);
}

void hex_dump(FILE *f, const u8 *in, int len)
{
	int i;
	
	for (i = 0; i < len; i++)
		fprintf(f, "%02X ", in[i]);
}

void hex_dump_asc(FILE *f, const u8 *in, size_t count)
{
	int lines = 0;

 	while (count) {
		char ascbuf[17];
		int i;

		for (i = 0; i < count && i < 16; i++) {
			fprintf(f, "%02X ", *in);
			if (isprint(*in))
				ascbuf[i] = *in;
			else
				ascbuf[i] = '.';
			in++;
		}
		count -= i;
		ascbuf[i] = 0;
		for (; i < 16 && lines; i++)
			fprintf(f, "   ");
		fprintf(f, "%s\n", ascbuf);
		lines++;
	}
}