From 4b43b375b7abae22070cd86bfc26a8222233150e Mon Sep 17 00:00:00 2001
From: Jakob Kaivo <jkk@ung.org>
Date: Wed, 31 Jan 2024 13:24:56 -0500
Subject: check for overlapping pointers

---
 src/stdio/fgetpos.c | 1 +
 1 file changed, 1 insertion(+)

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

diff --git a/src/stdio/fgetpos.c b/src/stdio/fgetpos.c
index 65b35cf7..8e6d201e 100644
--- a/src/stdio/fgetpos.c
+++ b/src/stdio/fgetpos.c
@@ -6,6 +6,7 @@
 int fgetpos(FILE * restrict stream, fpos_t * restrict pos)
 {
 	SIGNAL_SAFE(0);
+	ASSERT_NOOVERLAP(stream, sizeof(*stream), pos, sizeof(*pos));
 
 	flockfile(stream);
 	*pos = stream->pos;
-- 
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