/usr/include/freeradius/base64.h is in libfreeradius-dev 3.0.16+dfsg-1ubuntu3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | /*
* 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 _FR_BASE64_H
#define _FR_BASE64_H
RCSIDH(base64_h, "$Id: ca3e0ca16293968302c9e1a71015b30d40b8a271 $")
#include <stddef.h>
#include <stdint.h>
/* This uses that the expression (n+(k-1))/k means the smallest
integer >= n/k, i.e., the ceiling of n/k. */
#define FR_BASE64_ENC_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
#define FR_BASE64_DEC_LENGTH(inlen) ((3 * (inlen / 4)) + 2)
bool fr_is_base64(char c);
size_t fr_base64_encode(char *out, size_t outlen, uint8_t const *in, size_t inlen);
ssize_t fr_base64_decode(uint8_t *out, size_t outlen, char const *in, size_t inlen);
#endif /* _FR_BASE64_H */
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