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Misc/base64.h
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1 /* -*- buffer-read-only: t -*- vi: set ro: */
2 /* DO NOT EDIT! GENERATED AUTOMATICALLY! */
3 /* base64.h -- Encode binary data using printable characters.
4  Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
5  Written by Simon Josefsson.
6 
7  This program is free software; you can redistribute it and/or modify
8  it under the terms of the GNU General Public License as published by
9  the Free Software Foundation; either version 2, or (at your option)
10  any later version.
11 
12  This program is distributed in the hope that it will be useful,
13  but WITHOUT ANY WARRANTY; without even the implied warranty of
14  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15  GNU General Public License for more details.
16 
17  You should have received a copy of the GNU General Public License
18  along with this program; if not, write to the Free Software Foundation,
19  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
20 
21 #ifndef BASE64_H
22 # define BASE64_H
23 
24 /* Get size_t. */
25 # include <stddef.h>
26 
27 /* Get bool. */
28 # include <stdbool.h>
29 
30 /* This uses that the expression (n+(k-1))/k means the smallest
31  integer >= n/k, i.e., the ceiling of n/k. */
32 # define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
33 
35 {
36  unsigned int i;
37  char buf[4];
38 };
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
44 extern bool isbase64 (char ch);
45 
46 extern void base64_encode (const char * in, size_t inlen,
47  char * out, size_t outlen);
48 
49 extern size_t base64_encode_alloc (const char *in, size_t inlen, char **out);
50 
51 extern void base64_decode_ctx_init (struct base64_decode_context *ctx);
52 extern bool base64_decode (struct base64_decode_context *ctx,
53  const char * in, size_t inlen,
54  char * out, size_t *outlen);
55 
56 extern bool base64_decode_alloc (struct base64_decode_context *ctx,
57  const char *in, size_t inlen,
58  char **out, size_t *outlen);
59 
60 #ifdef __cplusplus
61 }
62 #endif
63 
64 #endif /* BASE64_H */
65