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comparison base64.h @ 1:5afdb14df924

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sci: add support for storing results
author David Demelier <markand@malikania.fr>
date Tue, 08 Jun 2021 08:40:01 +0200
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0:f1de39079243 1:5afdb14df924
1 /*
2 * base64.h -- base64 encoding and decoding
3 *
4 * Copyright (c) 2013-2021 David Demelier <markand@malikania.fr>
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #ifndef BASE64_H
20 #define BASE64_H
21
22 #include <stddef.h>
23
24 #if defined(__cplusplus)
25 extern "C" {
26 #endif
27
28 #define B64_ENCODE_LENGTH(x) (4 * ((x) / 3 + 1))
29 #define B64_DECODE_LENGTH(x) (3 * ((x) / 4))
30
31 int
32 b64_isbase64(unsigned char ch);
33
34 int
35 b64_isvalid(unsigned char ch);
36
37 unsigned char
38 b64_lookup(unsigned char value);
39
40 unsigned char
41 b64_rlookup(unsigned char ch);
42
43 size_t
44 b64_encode(const char *src, size_t srcsz, char *dst, size_t dstsz);
45
46 size_t
47 b64_decode(const char *src, size_t srcsz, char *dst, size_t dstsz);
48
49 #if defined(__cplusplus)
50 }
51 #endif
52
53 #endif /* !BASE64_H */