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62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Based on node-yencode library by Anime Tosho:
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* https://github.com/animetosho/node-yencode
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*
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* Copyright (C) 2017 Anime Tosho (animetosho)
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* Copyright (C) 2017 Andrey Prygunkov <hugbug@users.sourceforge.net>
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*
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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 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef YENCODE_H
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#define YENCODE_H
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namespace YEncode
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{
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void init();
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typedef enum : char {
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YDEC_STATE_CRLF, // default
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YDEC_STATE_EQ,
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YDEC_STATE_CR,
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YDEC_STATE_NONE,
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YDEC_STATE_CRLFDT,
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YDEC_STATE_CRLFDTCR,
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YDEC_STATE_CRLFEQ // may actually be "\r\n.=" in raw decoder
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} YencDecoderState;
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extern int (*decode)(const unsigned char** src, unsigned char** dest, size_t len, YencDecoderState* state);
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extern int decode_scalar(const unsigned char** src, unsigned char** dest, size_t len, YencDecoderState* state);
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extern bool decode_simd;
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struct crc_state
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{
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#if defined(__i686__) || defined(__amd64__)
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alignas(16) uint32_t crc0[4 * 5];
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#else
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uint32_t crc0[1];
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#endif
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};
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extern void (*crc_init)(crc_state *const s);
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extern void (*crc_incr)(crc_state *const s, const unsigned char *src, long len);
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extern uint32_t (*crc_finish)(crc_state *const s);
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extern bool crc_simd;
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}
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#endif
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