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7c673cae FG |
1 | // -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*- |
2 | // vim: ts=8 sw=2 smarttab | |
3 | /* | |
4 | * Ceph - scalable distributed file system | |
5 | * | |
6 | * Copyright (C) 2008-2011 New Dream Network | |
7 | * | |
8 | * This is free software; you can redistribute it and/or | |
9 | * modify it under the terms of the GNU Lesser General Public | |
10 | * License version 2.1, as published by the Free Software | |
11 | * Foundation. See file COPYING. | |
12 | * | |
13 | */ | |
14 | ||
7c673cae FG |
15 | #include "common/hex.h" |
16 | ||
7c673cae FG |
17 | void hex2str(const char *s, int len, char *buf, int dest_len) |
18 | { | |
19 | int pos = 0; | |
20 | for (int i=0; i<len && pos<dest_len; i++) { | |
21 | if (i && !(i%8)) | |
22 | pos += snprintf(&buf[pos], dest_len-pos, " "); | |
23 | if (i && !(i%16)) | |
24 | pos += snprintf(&buf[pos], dest_len-pos, "\n"); | |
25 | pos += snprintf(&buf[pos], dest_len-pos, "%.2x ", (int)(unsigned char)s[i]); | |
26 | } | |
27 | } | |
28 | ||
11fdf7f2 | 29 | std::string hexdump(const std::string &msg, const char *s, int len) |
7c673cae FG |
30 | { |
31 | int buf_len = len*4; | |
32 | char buf[buf_len]; | |
33 | hex2str(s, len, buf, buf_len); | |
34 | return buf; | |
35 | } |