Commit | Line | Data |
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920dae64 AT |
1 | # NOTE: Derived from ../../lib/Storable.pm. |
2 | # Changes made here will be lost when autosplit is run again. | |
3 | # See AutoSplit.pm. | |
4 | package Storable; | |
5 | ||
6 | #line 116 "../../lib/Storable.pm (autosplit into ../../lib/auto/Storable/read_magic.al)" | |
7 | sub read_magic { | |
8 | my $header = shift; | |
9 | return unless defined $header and length $header > 11; | |
10 | my $result; | |
11 | if ($header =~ s/^perl-store//) { | |
12 | die "Can't deal with version 0 headers"; | |
13 | } elsif ($header =~ s/^pst0//) { | |
14 | $result->{file} = 1; | |
15 | } | |
16 | # Assume it's a string. | |
17 | my ($major, $minor, $bytelen) = unpack "C3", $header; | |
18 | ||
19 | my $net_order = $major & 1; | |
20 | $major >>= 1; | |
21 | @$result{qw(major minor netorder)} = ($major, $minor, $net_order); | |
22 | ||
23 | return $result if $net_order; | |
24 | ||
25 | # I assume that it is rare to find v1 files, so this is an intentionally | |
26 | # inefficient way of doing it, to make the rest of the code constant. | |
27 | if ($major < 2) { | |
28 | delete $result->{minor}; | |
29 | $header = '.' . $header; | |
30 | $bytelen = $minor; | |
31 | } | |
32 | ||
33 | @$result{qw(byteorder intsize longsize ptrsize)} = | |
34 | unpack "x3 A$bytelen C3", $header; | |
35 | ||
36 | if ($major >= 2 and $minor >= 2) { | |
37 | $result->{nvsize} = unpack "x6 x$bytelen C", $header; | |
38 | } | |
39 | $result; | |
40 | } | |
41 | ||
42 | # end of Storable::read_magic | |
43 | 1; |