From 611069d07c14bf7ace7a75fa2bc9147db8ac097d Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Fri, 14 Nov 2025 16:25:52 +0100
Subject: Add __diagnose_if annotations

---
 include/string.h | 1 +
 1 file changed, 1 insertion(+)

(limited to 'include/string.h')

diff --git a/include/string.h b/include/string.h
index cf0be60..987b50c 100644
--- a/include/string.h
+++ b/include/string.h
@@ -71,6 +71,7 @@ _FORTIFY_FN(memmove) void *memmove(void * _FORTIFY_POS0 __d,
 }
 
 __access(write_only, 1, 3)
+__warning_if(__c != 0 && __n == 0, "'memset' will set `0` bytes; did you invert the arguments?")
 _FORTIFY_FN(memset) void *memset(void * _FORTIFY_POS0 __d, int __c, size_t __n)
 {
 	size_t __b = __bos(__d, 0);
-- 
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