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Commit Description:
fix wrong merge
Commit Description:
fix wrong merge
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node_modules/pako/lib/zlib/crc32.js
| 41 lines
| 790 B
| application/javascript
| JavascriptLexer
|
| r789 | 'use strict'; | |||
| // Note: we can't get significant speed boost here. | ||||
| // So write code to minimize size - no pregenerated tables | ||||
| // and array tools dependencies. | ||||
| // 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; | ||||