diff options
Diffstat (limited to 'perl-install/common.pm')
| -rw-r--r-- | perl-install/common.pm | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/perl-install/common.pm b/perl-install/common.pm index baef6befa..e2a135cdc 100644 --- a/perl-install/common.pm +++ b/perl-install/common.pm @@ -6,7 +6,7 @@ use vars qw(@ISA %EXPORT_TAGS @EXPORT_OK $printable_chars $sizeof_int $bitof_int @ISA = qw(Exporter); %EXPORT_TAGS = ( - common => [ qw(__ min max sum sign product bool listlength bool2text to_int ikeys member divide is_empty_array_ref add2hash set_new set_add round_up round_down first second top uniq translate untranslate warp_text) ], + common => [ qw(__ min max sum sign product bool listlength bool2text to_int ikeys member divide is_empty_array_ref is_empty_hash_ref add2hash set_new set_add round_up round_down first second top uniq translate untranslate warp_text) ], functional => [ qw(fold_left map_index map_tab_hash mapn mapn_ difference2 before_leaving catch_cdie cdie) ], file => [ qw(dirname basename touch all glob_ cat_ chop_ mode) ], system => [ qw(sync makedev unmakedev psizeof strcpy gettimeofday syscall_ crypt_ getVarsFromSh setVarsInSh) ], @@ -62,6 +62,7 @@ sub divide { my $d = int $_[0] / $_[1]; wantarray ? ($d, $_[0] % $_[1]) : $d } sub round_up { my ($i, $r) = @_; $i += $r - ($i + $r - 1) % $r - 1; } sub round_down { my ($i, $r) = @_; $i -= $i % $r; } sub is_empty_array_ref { my $a = shift; !defined $a || @$a == 0 } +sub is_empty_hash_ref { my $a = shift; !defined $a || keys(%$a) == 0 } sub difference2 { my %l; @l{@{$_[1]}} = (); grep { !exists $l{$_} } @{$_[0]} } sub intersection { my (%l, @m); @l{@{shift @_}} = (); foreach (@_) { @m = grep { exists $l{$_} } @$_; %l = (); @l{@m} = (); } keys %l } @@ -136,7 +137,7 @@ sub add_f4before_leaving { my $list = *common::before_leaving::list; $list->{$b}{$name} = $f; *N = sub { - my $f = $list->{$_[0]}{$name} or die; + my $f = $list->{$_[0]}{$name} or die ''; $name eq 'DESTROY' and delete $list->{$_[0]}; goto $f; } unless defined &{*N}; |