文件操作 - shiftleft.al
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文件: /usr/lib64/perl5/vendor_perl/auto/NetAddr/IP/UtilPP/shiftleft.al
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# NOTE: Derived from ../../blib/lib/NetAddr/IP/UtilPP.pm. # Changes made here will be lost when autosplit is run again. # See AutoSplit.pm. package NetAddr::IP::UtilPP; #line 183 "../../blib/lib/NetAddr/IP/UtilPP.pm (autosplit into ../../blib/lib/auto/NetAddr/IP/UtilPP/shiftleft.al)" sub shiftleft { _deadlen(length($_[0])) if length($_[0]) != 16; my($bits,$shifts) = @_; return $bits unless $shifts; die "Bad arg value for ".__PACKAGE__.":shiftleft, length should be 0 thru 128" if $shifts < 0 || $shifts > 128; my @uint32t = unpack('N4',$bits); do { $bits = _128x2(\@uint32t); $shifts-- } while $shifts > 0; pack('N4',@uint32t); } # end of NetAddr::IP::UtilPP::shiftleft 1;
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