diff options
Diffstat (limited to 'perl/Wallet/ACL.pm')
| -rw-r--r-- | perl/Wallet/ACL.pm | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/perl/Wallet/ACL.pm b/perl/Wallet/ACL.pm index d6cc29c..4a9bd88 100644 --- a/perl/Wallet/ACL.pm +++ b/perl/Wallet/ACL.pm @@ -259,6 +259,7 @@ sub remove { # error. Sets the internal error string on error. sub list { my ($self) = @_; + undef $self->{error}; my @entries; eval { my $sql = 'select ae_scheme, ae_identifier from acl_entries where @@ -272,7 +273,7 @@ sub list { }; if ($@) { $self->error ("cannot retrieve ACL $self->{id}: $@"); - return (undef); + return; } else { return @entries; } @@ -285,7 +286,7 @@ sub list { sub show { my ($self) = @_; my @entries = $self->list; - if (@entries == 1 and not defined ($entries[0])) { + if (not @entries and $self->error) { return undef; } my $name = $self->name; @@ -314,7 +315,7 @@ sub check { return undef; } my @entries = $self->list; - return undef if (@entries == 1 and not defined $entries[0]); + return undef if (not @entries and $self->error); my %verifier; $self->{check_errors} = []; for my $entry (@entries) { @@ -481,10 +482,10 @@ C<alice@EXAMPLE.COM> and C<bob@EXAMPLE.COM>, list() would return: ([ 'krb5', 'alice@EXAMPLE.COM' ], [ 'krb5', 'bob@EXAMPLE.COM' ]) -Returns C<(undef)> (the list containing the single element undef) on -failure, so that it can be distinguished from the empty list, which -indicates the ACL contains no entries. On failure, the caller should call -error() to get the error message. +Returns the empty list on failure. To distinguish between this and the +ACL containing no entries, the caller should call error(). error() is +guaranteed to return the error message if there was an error and undef if +there was no error. =item name() |