From 3dea98eff9c11660dadbd1df6ab5c01da1f1b0e5 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Thu, 9 May 2024 21:10:28 +0200
Subject: [PATCH] xmllint: Don't free DTD with --dropdtd

Entity references point to entities in the DTD, so only unlink the DTD
and don't destroy it.
---
 xmllint.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/xmllint.c b/xmllint.c
index 35c32857..51ade4bf 100644
--- a/xmllint.c
+++ b/xmllint.c
@@ -2371,17 +2371,13 @@ parseAndPrintFile(const char *filename, xmlParserCtxtPtr rectxt) {
 	endTimer("Parsing");
     }
 
-    /*
-     * Remove DOCTYPE nodes
-     */
     if (dropdtd) {
 	xmlDtdPtr dtd;
 
 	dtd = xmlGetIntSubset(doc);
 	if (dtd != NULL) {
 	    xmlUnlinkNode((xmlNodePtr)dtd);
-            doc->intSubset = NULL;
-	    xmlFreeDtd(dtd);
+            doc->intSubset = dtd;
 	}
     }