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| author | Alee14 <alee14498@gmail.com> | 2017-03-26 15:18:10 -0400 |
|---|---|---|
| committer | Alee14 <alee14498@gmail.com> | 2017-03-26 15:18:10 -0400 |
| commit | 29433e2f7dbd0e4a73d3c78ffe1005b922fb5982 (patch) | |
| tree | aa0ad3fe59468cbe452ee597e914839b68c01436 /node_modules/pako/lib/zlib/crc32.js | |
| parent | 878fefb4c4e1f12b804ae5c0def433fa873f4c8b (diff) | |
| download | AleeBot-29433e2f7dbd0e4a73d3c78ffe1005b922fb5982.tar.gz AleeBot-29433e2f7dbd0e4a73d3c78ffe1005b922fb5982.tar.bz2 AleeBot-29433e2f7dbd0e4a73d3c78ffe1005b922fb5982.zip | |
Don't mind me i'm adding the discord.js files
Diffstat (limited to 'node_modules/pako/lib/zlib/crc32.js')
| -rw-r--r-- | node_modules/pako/lib/zlib/crc32.js | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/node_modules/pako/lib/zlib/crc32.js b/node_modules/pako/lib/zlib/crc32.js new file mode 100644 index 0000000..6a96092 --- /dev/null +++ b/node_modules/pako/lib/zlib/crc32.js @@ -0,0 +1,59 @@ +'use strict'; + +// Note: we can't get significant speed boost here. +// So write code to minimize size - no pregenerated tables +// and array tools dependencies. + +// (C) 1995-2013 Jean-loup Gailly and Mark Adler +// (C) 2014-2017 Vitaly Puzrin and Andrey Tupitsin +// +// This software is provided 'as-is', without any express or implied +// warranty. In no event will the authors be held liable for any damages +// arising from the use of this software. +// +// Permission is granted to anyone to use this software for any purpose, +// including commercial applications, and to alter it and redistribute it +// freely, subject to the following restrictions: +// +// 1. The origin of this software must not be misrepresented; you must not +// claim that you wrote the original software. If you use this software +// in a product, an acknowledgment in the product documentation would be +// appreciated but is not required. +// 2. Altered source versions must be plainly marked as such, and must not be +// misrepresented as being the original software. +// 3. This notice may not be removed or altered from any source distribution. + +// Use ordinary array, since untyped makes no boost here +function makeTable() { + var c, table = []; + + for (var n = 0; n < 256; n++) { + c = n; + for (var k = 0; k < 8; k++) { + c = ((c & 1) ? (0xEDB88320 ^ (c >>> 1)) : (c >>> 1)); + } + table[n] = c; + } + + return table; +} + +// Create table on load. Just 255 signed longs. Not a problem. +var crcTable = makeTable(); + + +function crc32(crc, buf, len, pos) { + var t = crcTable, + end = pos + len; + + crc ^= -1; + + for (var i = pos; i < end; i++) { + crc = (crc >>> 8) ^ t[(crc ^ buf[i]) & 0xFF]; + } + + return (crc ^ (-1)); // >>> 0; +} + + +module.exports = crc32; |
