From 37d474ff7eca2f3b852aa4750e042e0f2d43db15 Mon Sep 17 00:00:00 2001
From: Nick Wellnhofer <wellnhofer@aevum.de>
Date: Wed, 17 Jan 2024 14:19:42 +0100
Subject: [PATCH] xpath: Fix return of empty node-set in
 xmlXPathNodeCollectAndTest

Don't return NULL node-sets. Ultimately, we should make sure that
obj->nodesetval is always non-NULL even for empty node-sets.

See #663.
---
 xpath.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/xpath.c b/xpath.c
index c2b0f6d0..2f5c843b 100644
--- a/xpath.c
+++ b/xpath.c
@@ -10953,8 +10953,7 @@ xmlXPathNodeCollectAndTest(xmlXPathParserContextPtr ctxt,
     }
     contextSeq = obj->nodesetval;
     if ((contextSeq == NULL) || (contextSeq->nodeNr <= 0)) {
-	xmlXPathReleaseObject(xpctxt, obj);
-        valuePush(ctxt, xmlXPathCacheWrapNodeSet(ctxt, NULL));
+        valuePush(ctxt, obj);
         return(0);
     }
     /*