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77 lines
2.9 KiB
77 lines
2.9 KiB
/* -*- buffer-read-only: t -*- vi: set ro: */
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/* DO NOT EDIT! GENERATED AUTOMATICALLY! */
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/* base64.h -- Encode binary data using printable characters.
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Copyright (C) 2004, 2005, 2006, 2009, 2010 Free Software Foundation, Inc.
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Written by Simon Josefsson.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */
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/* Define to the equivalent of the C99 'restrict' keyword, or to
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* nothing if this is not supported. Do not define if restrict is
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* supported directly. */
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#define restrict __restrict
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/* Work around a bug in Sun C++: it does not support _Restrict or
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* __restrict__, even though the corresponding Sun C compiler ends up with
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* "#define restrict _Restrict" or "#define restrict __restrict__" in the
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* previous line. Perhaps some future version of Sun C++ will work with
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* restrict; if so, hopefully it defines __RESTRICT like Sun C does. */
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#if defined __SUNPRO_CC && !defined __RESTRICT
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# define _Restrict
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# define __restrict__
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#endif
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#ifndef BASE64_H
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# define BASE64_H
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/* Get size_t. */
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# include <stddef.h>
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/* Get bool. */
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# include <stdbool.h>
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/* This uses that the expression (n+(k-1))/k means the smallest
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integer >= n/k, i.e., the ceiling of n/k. */
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# define BASE64_LENGTH(inlen) ((((inlen) + 2) / 3) * 4)
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struct base64_decode_context
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{
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unsigned int i;
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char buf[4];
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};
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extern bool isbase64 (char ch);
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extern void base64_encode (const char *restrict in, size_t inlen,
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char *restrict out, size_t outlen);
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extern size_t base64_encode_alloc (const char *in, size_t inlen, char **out);
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extern void base64_decode_ctx_init (struct base64_decode_context *ctx);
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extern bool base64_decode_ctx (struct base64_decode_context *ctx,
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const char *restrict in, size_t inlen,
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char *restrict out, size_t *outlen);
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extern bool base64_decode_alloc_ctx (struct base64_decode_context *ctx,
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const char *in, size_t inlen,
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char **out, size_t *outlen);
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#define base64_decode(in, inlen, out, outlen) \
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base64_decode_ctx (NULL, in, inlen, out, outlen)
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#define base64_decode_alloc(in, inlen, out, outlen) \
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base64_decode_alloc_ctx (NULL, in, inlen, out, outlen)
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#endif /* BASE64_H */
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