[asterisk-bugs] [JIRA] (ASTERISK-29803) pbx_variables: cp4 variables is used uninitialized

[Joshua C. Colp (JIRA)]

     [ https://issues.asterisk.org/jira/browse/ASTERISK-29803?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Work on ASTERISK-29803 started by N A.

> pbx_variables: cp4 variables is used uninitialized
> --------------------------------------------------
>
>                 Key: ASTERISK-29803
>                 URL: https://issues.asterisk.org/jira/browse/ASTERISK-29803
>             Project: Asterisk
>          Issue Type: Bug
>      Security Level: None
>          Components: PBX/General
>    Affects Versions: 18.9.0
>         Environment: Debian 11
>            Reporter: N A
>            Assignee: N A
>            Severity: Critical
>
> GCC must be getting more stringent every day.
> Asterisk no longer compiles because of this:
> pbx_variables.c: In function ‘pbx_substitute_variables_helper_full_location’:
> pbx_variables.c:778:7: error: ‘cp4’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
>   778 |    if (cp4) {
>       |       ^
> pbx_variables.c:694:10: note: ‘cp4’ was declared here
>   694 |    char *cp4;
>       |          ^~~
> Initializing cp4 to NULL fixes the issue.



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