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Commit Description:
fix wrong merge
Commit Description:
fix wrong merge
'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 ;
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