From 693aefa96a74b0e4b9117a0c4ffe8c95b35b0c8b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Daniel=20Ekl=C3=B6f?= <daniel@ekloef.se>
Date: Fri, 11 Jul 2025 16:47:51 +0200
Subject: [PATCH] config: silence valgrind-detected leak in config_font_parse()

---
 config.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/config.c b/config.c
index d8f1c0ed..77dc3a73 100644
--- a/config.c
+++ b/config.c
@@ -3956,9 +3956,10 @@ config_font_parse(const char *pattern, struct config_font *font)
          * both "size" and "pixelsize" being set, and we don't know
          * which one takes priority.
          */
+        FcConfig *fc_conf = FcConfigCreate();
         FcPattern *pat_copy = FcPatternDuplicate(pat);
         if (pat_copy == NULL ||
-            !FcConfigSubstitute(NULL, pat_copy, FcMatchPattern))
+            !FcConfigSubstitute(fc_conf, pat_copy, FcMatchPattern))
         {
             LOG_WARN("%s: failed to do config substitution", pattern);
         } else {
@@ -3967,6 +3968,7 @@ config_font_parse(const char *pattern, struct config_font *font)
         }
 
         FcPatternDestroy(pat_copy);
+        FcConfigDestroy(fc_conf);
 
         if (have_pt_size != FcResultMatch && have_px_size != FcResultMatch)
             pt_size = 8.0;