From 2afe485f41e0c7303cbf8d181745c56f7d19f5b0 Mon Sep 17 00:00:00 2001
From: "jan.nijtmans" <nijtmans@users.sourceforge.net>
Date: Tue, 8 Nov 2022 09:59:28 +0000
Subject: NEVER use sizeof(FLEXARRAY)! Use offsetof()

---
 generic/tclPkg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/generic/tclPkg.c b/generic/tclPkg.c
index bfe1c66..7866158 100644
--- a/generic/tclPkg.c
+++ b/generic/tclPkg.c
@@ -828,7 +828,7 @@ SelectPackage(
 	 * Push "ifneeded" package name in "tclPkgFiles" assocdata.
 	 */
 
-	pkgName = (PkgName *)ckalloc(sizeof(PkgName) + strlen(name));
+	pkgName = (PkgName *)ckalloc(offsetof(PkgName, name) + 1 + strlen(name));
 	pkgName->nextPtr = pkgFiles->names;
 	strcpy(pkgName->name, name);
 	pkgFiles->names = pkgName;
-- 
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