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

[N A (JIRA)]

N A created ASTERISK-29803:
------------------------------

             Summary: 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
            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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