File fontforge-fix-UFO-crash-for-empty-contours.patch of Package fontforge

From 77b1b1486077c3a216b00d64d54fc861cad309b1 Mon Sep 17 00:00:00 2001
From: Maxim Iorsh <iorsh@users.sourceforge.net>
Date: Tue, 4 Nov 2025 23:46:52 +0200
Subject: [PATCH] Fix UFO crash for empty contours (#5645)

---
 fontforge/ufo.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/fontforge/ufo.c b/fontforge/ufo.c
index 56643d0f1..e9d988854 100644
--- a/fontforge/ufo.c
+++ b/fontforge/ufo.c
@@ -2722,6 +2722,10 @@ static SplineChar *_UFOLoadGlyph(SplineFont *sf, xmlDocPtr doc, char *glifname,
             for ( points=contour->children; points!=NULL; points=points->next )
                 if ( xmlStrcmp(points->name,(const xmlChar *) "point")==0 )
             break;
+            if (points == NULL) {
+                // The UFO3 specification allows empty contours, we just drop them.
+                continue;
+            }
             for ( npoints=points->next; npoints!=NULL; npoints=npoints->next )
                 if ( xmlStrcmp(npoints->name,(const xmlChar *) "point")==0 )
             break;
-- 
2.49.0