From: Steven Schubiger <stsc@refcnt.org>
Date: Wed, 30 Dec 2020 17:38:30 +0000 (+0100)
Subject: release(): strengthen check for equal pointers
X-Git-Url: http://git.refcnt.org/?p=colorize.git;a=commitdiff_plain;h=1726f536e36e0eeef71b56390402f0b060387fa4

release(): strengthen check for equal pointers
---

diff --git a/colorize.c b/colorize.c
index b1d9ecc..38b2350 100644
--- a/colorize.c
+++ b/colorize.c
@@ -1927,7 +1927,8 @@ release (struct var_list *list, unsigned int stacked, void **ptr)
     for (i = 0; i < stacked; i++)
       {
         struct var_list *var = &list[i];
-        if (var->ptr == *ptr)
+        if (var->type != IS_UNUSED
+         && var->ptr == *ptr)
           {
             switch (var->type)
               {