Profile of Digest/base.pm

Filename	/usr/lib/perl5/5.14/Digest/base.pm
Statements	Executed 6 statements in 715µs

Subroutines
Calls	P	F	Exclusive Time	Inclusive Time	Subroutine
1	1	1	218µs	223µs	Digest::base::::BEGIN@3Digest::base::BEGIN@3
1	1	1	14µs	49µs	Digest::base::::BEGIN@4Digest::base::BEGIN@4
0	0	0	0s	0s	Digest::base::::add_bitsDigest::base::add_bits
0	0	0	0s	0s	Digest::base::::addfileDigest::base::addfile
0	0	0	0s	0s	Digest::base::::b64digestDigest::base::b64digest
0	0	0	0s	0s	Digest::base::::hexdigestDigest::base::hexdigest
0	0	0	0s	0s	Digest::base::::resetDigest::base::reset

Call graph for these subroutines as a Graphviz dot language file.

Line	State ments	Time on line	Calls	Time in subs	Code
1					package Digest::base;
2
3	2	61µs	2	228µs	# spent 223µs (218+5) within Digest::base::BEGIN@3 which was called: # once (218µs+5µs) by installer::windows::file::BEGIN@30 at line 3 use strict; # spent 223µs making 1 call to Digest::base::BEGIN@3 # spent 5µs making 1 call to strict::import
4	2	644µs	2	85µs	# spent 49µs (14+36) within Digest::base::BEGIN@4 which was called: # once (14µs+36µs) by installer::windows::file::BEGIN@30 at line 4 use vars qw($VERSION); # spent 49µs making 1 call to Digest::base::BEGIN@4 # spent 36µs making 1 call to vars::import
5	1	1µs			$VERSION = "1.16";
6
7					# subclass is supposed to implement at least these
8					sub new;
9					sub clone;
10					sub add;
11					sub digest;
12
13					sub reset {
14					my $self = shift;
15					$self->new(@_); # ugly
16					}
17
18					sub addfile {
19					my ($self, $handle) = @_;
20
21					my $n;
22					my $buf = "";
23
24					while (($n = read($handle, $buf, 4*1024))) {
25					$self->add($buf);
26					}
27					unless (defined $n) {
28					require Carp;
29					Carp::croak("Read failed: $!");
30					}
31
32					$self;
33					}
34
35					sub add_bits {
36					my $self = shift;
37					my $bits;
38					my $nbits;
39					if (@_ == 1) {
40					my $arg = shift;
41					$bits = pack("B*", $arg);
42					$nbits = length($arg);
43					}
44					else {
45					($bits, $nbits) = @_;
46					}
47					if (($nbits % 8) != 0) {
48					require Carp;
49					Carp::croak("Number of bits must be multiple of 8 for this algorithm");
50					}
51					return $self->add(substr($bits, 0, $nbits/8));
52					}
53
54					sub hexdigest {
55					my $self = shift;
56					return unpack("H*", $self->digest(@_));
57					}
58
59					sub b64digest {
60					my $self = shift;
61					require MIME::Base64;
62					my $b64 = MIME::Base64::encode($self->digest(@_), "");
63					$b64 =~ s/=+$//;
64					return $b64;
65					}
66
67	1	9µs			1;
68
69					__END__