librsync  2.3.4
hex.c
1/*= -*- c-basic-offset: 4; indent-tabs-mode: nil; -*-
2 *
3 * Copyright (C) 2000, 2001 by Martin Pool <mbp@sourcefrog.net>
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License as published by
7 * the Free Software Foundation; either version 2.1 of the License, or
8 * (at your option) any later version.
9 *
10 * This program 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
13 * GNU Lesser General Public License for more details.
14 *
15 * You should have received a copy of the GNU Lesser General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
18 */
19
20#include "config.h" /* IWYU pragma: keep */
21#include "librsync.h"
22
23void rs_hexify(char *to_buf, void const *from, int from_len)
24{
25 static const char hex_chars[] = "0123456789abcdef";
26 unsigned char const *from_buf = (unsigned char const *)from;
27
28 while (from_len-- > 0) {
29 *(to_buf++) = hex_chars[((*from_buf) >> 4) & 0xf];
30 *(to_buf++) = hex_chars[(*from_buf) & 0xf];
31 from_buf++;
32 }
33
34 *to_buf = 0;
35}
Public header for librsync.
LIBRSYNC_EXPORT void rs_hexify(char *to_buf, void const *from_buf, int from_len)
Convert from_len bytes at from_buf into a hex representation in to_buf, which must be twice as long p...
Definition: hex.c:23