From 5d4dcc9fbf0f5c06b7e147829b5be5fd27fc8a55 Mon Sep 17 00:00:00 2001
From: Fabian Keil <fk@fabiankeil.de>
Date: Tue, 9 Sep 2025 13:57:44 +0200
Subject: [PATCH] log_error(): Fix segmentation fault

... when logging %E on a platform that isn't Windows
and doesn't have strerror().

Reported by Joshua Rogers.
---
 errlog.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/errlog.c b/errlog.c
index da6af45e..a3fb3781 100644
--- a/errlog.c
+++ b/errlog.c
@@ -843,7 +843,7 @@ void log_error(int loglevel, const char *fmt, ...)
 #ifdef HAVE_STRERROR
             format_string = strerror(ival);
 #else /* ifndef HAVE_STRERROR */
-            format_string = NULL;
+            format_string = "Unable to convert errno to string.";
 #endif /* ndef HAVE_STRERROR */
             if (sval == NULL)
             {
-- 
2.50.1