From 93dddec24aacea474c0940c8d136b2ce9efaaf5d Mon Sep 17 00:00:00 2001
From: Dianne Skoll <dianne@skoll.ca>
Date: Wed, 23 Jul 2025 10:07:58 -0400
Subject: [PATCH] Initialize pushed value to ERR_TYPE to avoid inappropriate
 possible free() later on.

---
 src/var.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/var.c b/src/var.c
index e822b428..ce07991a 100644
--- a/src/var.c
+++ b/src/var.c
@@ -1125,6 +1125,7 @@ int PushSysvars(void)
     for (i=0; i<NUMSYSVARS; i++) {
         if (SysVarArr[i].modifiable) {
             ps->vars[j].name = SysVarArr[i].name;
+            ps->vars[j].v.type = ERR_TYPE;
             r = GetSysVar(ps->vars[j].name, &(ps->vars[j].v));
             if (r != OK) ret = r;
             /* fprintf(ErrFp, "push($%s) => %s\n", ps->vars[j].name, PrintValue(&(ps->vars[j].v), NULL)); */