[asterisk-bugs] [JIRA] (ASTERISK-27635) [patch] app_voicemail: Avoid always true warnings with clang.

[Alexander Traud (JIRA)]

Alexander Traud created ASTERISK-27635:
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             Summary: [patch] app_voicemail: Avoid always true warnings with clang.
                 Key: ASTERISK-27635
                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-27635
             Project: Asterisk
          Issue Type: Bug
      Security Level: None
          Components: Applications/app_voicemail/IMAP
    Affects Versions: 15.2.0, 13.19.0
         Environment: clang 4.0
FreeBSD 11.1
            Reporter: Alexander Traud
            Severity: Trivial


34 months ago, [review 4541|https://reviewboard.asterisk.org/r/4541/] (ASTERISK-24917) resolved warnings raised by the compiler clang. However, because alternative/conflicting code paths exist, some warnings got missed. Here in this case, the storage for the app _voicemail_ was changed from file to IMAP via {{make menuselect}}.

Then on FreeBSD 11.1, its default compiler _clang_ (4.0) reports:{code}warning: address of array 'vms->imapuser' will always evaluate to 'true' [-Wpointer-bool-conversion]
warning: address of array 'vms->username' will always evaluate to 'true' [-Wpointer-bool-conversion]
warning: address of array 'vms->context' will always evaluate to 'true' [-Wpointer-bool-conversion]{code}two times each, resulting in six warnings.



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