change log updated
[public/netxms.git] / include / base64.h
1 /* base64.h -- Encode binary data using printable characters.
2 Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
3 Written by Simon Josefsson.
4
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2, or (at your option)
8 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 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
18
19 #ifndef BASE64_H
20 #define BASE64_H
21
22 /* Get size_t. */
23 #include <stddef.h>
24
25 /* This uses that the expression (n+(k-1))/k means the smallest
26 integer >= n/k, i.e., the ceiling of n/k. */
27 #define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
28
29 BOOL LIBNETXMS_EXPORTABLE isbase64 (char ch);
30
31 void LIBNETXMS_EXPORTABLE base64_encode (const char *in, size_t inlen,
32 char *out, size_t outlen);
33
34 size_t LIBNETXMS_EXPORTABLE base64_encode_alloc (const char *in, size_t inlen, char **out);
35
36 BOOL LIBNETXMS_EXPORTABLE base64_decode (const char *in, size_t inlen,
37 char *out, size_t *outlen);
38
39 BOOL LIBNETXMS_EXPORTABLE base64_decode_alloc (const char *in, size_t inlen,
40 char **out, size_t *outlen);
41
42 #endif /* BASE64_H */