[VCL-541] Remove "return 0" from all subroutines which normally return an array or hash

• Type: Bug
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 2.2.1
• Fix Version/s: 2.3
• Component/s: vcld (backend)
• Assignee: Andrew Kurth
• Reporter: Andrew Kurth
• Created: 28/Nov/11 14:30
• Updated: 09/May/12 16:15
• Resolved: 09/May/12 16:15

Description

Subroutines which return a hash or array should not return 0 if an error occurs. For example, if the caller assumes a hash is returned and then attempts to iterate over the hash, the following error will occur:

Can't use string ("0") as a HASH ref while "strict refs" in use at /usr/local/vcl/bin/../lib/VCL/Module/OS/Windows.pm line 1992