mirror of
https://github.com/netsurf-browser/netsurf
synced 2024-11-23 23:09:39 +03:00
46 lines
1.6 KiB
C
46 lines
1.6 KiB
C
|
/* base64.h -- Encode binary data using printable characters.
|
||
|
|
Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc.
|
||
|
|
Written by Simon Josefsson.
|
||
|
|
|
||
|
|
This program is free software; you can redistribute it and/or modify
|
||
|
|
it under the terms of the GNU General Public License as published by
|
||
|
|
the Free Software Foundation; either version 2, or (at your option)
|
||
|
|
any later version.
|
||
|
|
|
||
|
|
This program is distributed in the hope that it will be useful,
|
||
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
GNU General Public License for more details.
|
||
|
|
|
||
|
|
You should have received a copy of the GNU General Public License
|
||
|
|
along with this program; if not, write to the Free Software Foundation,
|
||
|
|
Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
|
||
|
|
|
||
|
|
#ifndef BASE64_H
|
||
|
|
# define BASE64_H
|
||
|
|
|
||
|
|
/* Get size_t. */
|
||
|
|
# include <stddef.h>
|
||
|
|
|
||
|
|
/* Get bool. */
|
||
|
|
# include <stdbool.h>
|
||
|
|
|
||
|
|
/* This uses that the expression (n+(k-1))/k means the smallest
|
||
|
|
integer >= n/k, i.e., the ceiling of n/k. */
|
||
|
|
# define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
|
||
|
|
|
||
|
|
extern bool isbase64 (char ch);
|
||
|
|
|
||
|
|
extern void base64_encode (const char *restrict in, size_t inlen,
|
||
|
|
char *restrict out, size_t outlen);
|
||
|
|
|
||
|
|
extern size_t base64_encode_alloc (const char *in, size_t inlen, char **out);
|
||
|
|
|
||
|
|
extern bool base64_decode (const char *restrict in, size_t inlen,
|
||
|
|
char *restrict out, size_t *outlen);
|
||
|
|
|
||
|
|
extern bool base64_decode_alloc (const char *in, size_t inlen,
|
||
|
|
char **out, size_t *outlen);
|
||
|
|
|
||
|
|
#endif /* BASE64_H */
|