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Possible Incorrect Pointer Reference in variable.c
From: |
Jon Forrest |
Subject: |
Possible Incorrect Pointer Reference in variable.c |
Date: |
Mon, 27 Sep 2021 11:48:01 -0700 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:91.0) Gecko/20100101 Thunderbird/91.1.1 |
In the latest rev of variable.c starting at line #1637 I see:
-----
1637 struct variable *
1638 try_variable_definition (const floc *flocp, const char *line,
1639 enum variable_origin origin, int target_var)
1640 {
1641 struct variable v;
1642 struct variable *vp;
1643
1644 if (flocp != 0)
1645 v.fileinfo = *flocp;
1646 else
1647 v.fileinfo.filenm = 0;
-----
How can line #1647 ever work? "v" is a newly
created local variable, which means "v.fileinfo"
hasn't been given a value yet, which means that
"v.fileinfo.filenm" could be anywhere.
Cordially,
Jon Forrest
- Possible Incorrect Pointer Reference in variable.c,
Jon Forrest <=