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1 package DBM_Filter::int32 ; 2 3 use strict; 4 use warnings; 5 6 our $VERSION = '0.01'; 7 8 # todo get Filter to figure endian. 9 10 sub Store 11 { 12 $_ = 0 if ! defined $_ || $_ eq "" ; 13 $_ = pack("i", $_); 14 } 15 16 sub Fetch 17 { 18 no warnings 'uninitialized'; 19 $_ = unpack("i", $_); 20 } 21 22 1; 23 24 __END__ 25 26 =head1 NAME 27 28 DBM_Filter::int32 - filter for DBM_Filter 29 30 =head1 SYNOPSIS 31 32 use SDBM_File; # or DB_File, or GDBM_File, or NDBM_File, or ODBM_File 33 use DBM_Filter ; 34 35 $db = tie %hash, ... 36 $db->Filter_Push('int32'); 37 38 =head1 DESCRIPTION 39 40 This DBM filter is used when interoperating with a C/C++ application 41 that uses a C int as either the key and/or value in the DBM file. 42 43 =head1 SEE ALSO 44 45 L<DBM_Filter>, L<perldbmfilter> 46 47 =head1 AUTHOR 48 49 Paul Marquess pmqs@cpan.org 50
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