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/fgets.c | 1 +
 1 file changed, 1 insertion(+)

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

diff --git a/src/stdio/fgets.c b/src/stdio/fgets.c
index 195e724a..68ca7750 100644
--- a/src/stdio/fgets.c
+++ b/src/stdio/fgets.c
@@ -7,6 +7,7 @@ char * fgets(char * restrict s, int n, FILE * restrict stream)
 {
 	int i = 0;
 	SIGNAL_SAFE(0);
+	ASSERT_NOOVERLAP(s, n, stream, sizeof(*stream));
 
 	if (feof(stream)) {
 		return NULL;
-- 
cgit v1.2.1