git.zerfleddert.de Git - proxmark3-svn/blob - client/emv/dump.c

   1 /*
   2  * libopenemv - a library to work with EMV family of smart cards
   3  * Copyright (C) 2015 Dmitry Eremin-Solenikov
   4  *
   5  * This library is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU Lesser General Public
   7  * License as published by the Free Software Foundation; either
   8  * version 2.1 of the License, or (at your option) any later version.
   9  *
  10  * This library is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * Lesser General Public License for more details.
  14  */
  15
  16 #ifdef HAVE_CONFIG_H
  17 #include <config.h>
  18 #endif
  19
  20 #include "dump.h"
  21
  22 #include <stdio.h>
  23
  24 void dump_buffer_simple(const unsigned char *ptr, size_t len, FILE *f)
  25 {
  26         int i;
  27
  28         if (!f)
  29                 f = stdout;
  30
  31         for (i = 0; i < len; i ++)
  32                 fprintf(f, "%s%02hhX", i ? " " : "", ptr[i]);
  33 }
  34
  35 void dump_buffer(const unsigned char *ptr, size_t len, FILE *f)
  36 {
  37         int i, j;
  38
  39         if (!f)
  40                 f = stdout;
  41
  42         for (i = 0; i < len; i += 16) {
  43                 fprintf(f, "\t%02x:", i);
  44                 for (j = 0; j < 16; j++) {
  45                         if (i + j < len)
  46                                 fprintf(f, " %02hhx", ptr[i + j]);
  47                         else
  48                                 fprintf(f, "   ");
  49                 }
  50                 fprintf(f, " |");
  51                 for (j = 0; j < 16 && i + j < len; j++) {
  52                         fprintf(f, "%c", (ptr[i+j] >= 0x20 && ptr[i+j] < 0x7f) ? ptr[i+j] : '.' );
  53                 }
  54                 fprintf(f, "\n");
  55         }
  56 }
  57