1 | 'use strict';
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2 |
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3 | // (C) 1995-2013 Jean-loup Gailly and Mark Adler
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4 | // (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin
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5 | //
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6 | // This software is provided 'as-is', without any express or implied
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7 | // warranty. In no event will the authors be held liable for any damages
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8 | // arising from the use of this software.
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9 | //
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10 | // Permission is granted to anyone to use this software for any purpose,
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11 | // including commercial applications, and to alter it and redistribute it
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12 | // freely, subject to the following restrictions:
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13 | //
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14 | // 1. The origin of this software must not be misrepresented; you must not
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15 | // claim that you wrote the original software. If you use this software
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16 | // in a product, an acknowledgment in the product documentation would be
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17 | // appreciated but is not required.
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18 | // 2. Altered source versions must be plainly marked as such, and must not be
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19 | // misrepresented as being the original software.
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20 | // 3. This notice may not be removed or altered from any source distribution.
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21 |
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22 | function ZStream() {
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23 | /* next input byte */
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24 | this.input = null; // JS specific, because we have no pointers
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25 | this.next_in = 0;
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26 | /* number of bytes available at input */
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27 | this.avail_in = 0;
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28 | /* total number of input bytes read so far */
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29 | this.total_in = 0;
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30 | /* next output byte should be put there */
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31 | this.output = null; // JS specific, because we have no pointers
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32 | this.next_out = 0;
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33 | /* remaining free space at output */
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34 | this.avail_out = 0;
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35 | /* total number of bytes output so far */
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36 | this.total_out = 0;
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37 | /* last error message, NULL if no error */
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38 | this.msg = ''/*Z_NULL*/;
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39 | /* not visible by applications */
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40 | this.state = null;
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41 | /* best guess about the data type: binary or text */
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42 | this.data_type = 2/*Z_UNKNOWN*/;
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43 | /* adler32 value of the uncompressed data */
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44 | this.adler = 0;
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45 | }
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46 |
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47 | module.exports = ZStream;
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