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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" |
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21 | #include <stdio.h> |
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22 | #include <string.h> |
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23 | |
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24 | #define PRINT_INDENT(level) {for (int i = 0; i < (level); i++) fprintf(f, "\t");} |
25 | |
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26 | void dump_buffer_simple(const unsigned char *ptr, size_t len, FILE *f) |
27 | { |
28 | int i; |
29 | |
30 | if (!f) |
31 | f = stdout; |
32 | |
33 | for (i = 0; i < len; i ++) |
34 | fprintf(f, "%s%02hhX", i ? " " : "", ptr[i]); |
35 | } |
36 | |
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37 | void dump_buffer(const unsigned char *ptr, size_t len, FILE *f, int level) |
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38 | { |
39 | int i, j; |
40 | |
41 | if (!f) |
42 | f = stdout; |
43 | |
44 | for (i = 0; i < len; i += 16) { |
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45 | PRINT_INDENT(level); |
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46 | fprintf(f, "\t%02x:", i); |
47 | for (j = 0; j < 16; j++) { |
48 | if (i + j < len) |
49 | fprintf(f, " %02hhx", ptr[i + j]); |
50 | else |
51 | fprintf(f, " "); |
52 | } |
53 | fprintf(f, " |"); |
54 | for (j = 0; j < 16 && i + j < len; j++) { |
55 | fprintf(f, "%c", (ptr[i+j] >= 0x20 && ptr[i+j] < 0x7f) ? ptr[i+j] : '.' ); |
56 | } |
57 | fprintf(f, "\n"); |
58 | } |
59 | } |
60 | |