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79455c380d
and wrap lines at 80 characters Signed-off-by: Ralf Ramsauer <ralf@ramses-pyramidenbau.de>
66 lines
2.2 KiB
C
66 lines
2.2 KiB
C
/*
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* Copyright (c) 2006-2014 Erik Ekman
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* 2006-2009 Bjorn Andersson
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* Copyright (c) 2017 Ralf Ramsauer
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*
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* Authors:
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* Bjorn Andersson <flex@kryo.se>
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* Erok Ekman <yarrick@kryo.se>,
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* Ralf Ramsauer <ralf@ramses-pyramidenbau.de>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef _ENCODING_H_
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#define _ENCODING_H_
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#include <stdbool.h>
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/* All-0, all-1, 01010101, 10101010: each 4 times to make sure the pattern
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spreads across multiple encoded chars -> 16 bytes total.
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Followed by 32 bytes from my /dev/random; should be enough.
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*/
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#define DOWNCODECCHECK1 \
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"\000\000\000\000\377\377\377\377\125\125\125\125\252\252\252\252" \
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"\201\143\310\322\307\174\262\027\137\117\316\311\111\055\122\041" \
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"\141\251\161\040\045\263\006\163\346\330\104\060\171\120\127\277"
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#define DOWNCODECCHECK1_LEN 48
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struct encoder {
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const char name[8];
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int (*encode)(char *dst, size_t *dstlen, const void *src, size_t srclen);
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int (*decode)(void *dst, size_t *dstlen, const char *src, size_t srclen);
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const bool places_dots;
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const bool eats_dots;
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const int blocksize_raw;
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const int blocksize_encoded;
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};
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int build_hostname(char *, size_t, const char *, const size_t, const char *,
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const struct encoder *, int);
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int unpack_data(char *, size_t, char *, size_t, const struct encoder *);
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int inline_dotify(char *, size_t);
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int inline_undotify(char *, size_t);
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extern const struct encoder base32_ops;
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extern const struct encoder base64_ops;
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extern const struct encoder base64u_ops;
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extern const struct encoder base128_ops;
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int b32_5to8(int);
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int b32_8to5(int);
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#endif
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