proxmark3/client/emv/dump.c

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/*
* libopenemv - a library to work with EMV family of smart cards
* Copyright (C) 2015 Dmitry Eremin-Solenikov
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "dump.h"
#define PRINT_INDENT(level) {for (int i = 0; i < (level); i++) fprintf(f, " ");}
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void dump_buffer_simple(const unsigned char *ptr, size_t len, FILE *f)
{
int i;
if (!f)
f = stdout;
for (i = 0; i < len; i ++)
fprintf(f, "%s%02hhX", i ? " " : "", ptr[i]);
}
void dump_buffer(const unsigned char *ptr, size_t len, FILE *f, int level)
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{
int i, j;
if (!f)
f = stdout;
for (i = 0; i < len; i += 16) {
PRINT_INDENT(level);
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fprintf(f, "\t%02x:", i);
for (j = 0; j < 16; j++) {
if (i + j < len)
fprintf(f, " %02hhx", ptr[i + j]);
else
fprintf(f, " ");
}
fprintf(f, " |");
for (j = 0; j < 16 && i + j < len; j++) {
fprintf(f, "%c", (ptr[i+j] >= 0x20 && ptr[i+j] < 0x7f) ? ptr[i+j] : '.' );
}
fprintf(f, "\n");
}
}