From e6ef806ef40a421435b1209f0f79d778c03fe04a Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Mon, 27 May 2024 13:04:16 -0400
Subject: handle use-after-close

---
 src/stdio/fflush.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'src/stdio/fflush.c')

diff --git a/src/stdio/fflush.c b/src/stdio/fflush.c
index a653e0d1..6c1e78f5 100644
--- a/src/stdio/fflush.c
+++ b/src/stdio/fflush.c
@@ -27,6 +27,8 @@ int fflush(FILE *stream)
 		return 0;
 	}
 
+	ASSERT_STREAM(stream, 0, 0);
+
 	if (!stream->write) {
 		UNDEFINED("attempt to fflush() an input stream");
 	}
-- 
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