From 8439dc0d1b986e7652afd78c1462707f4bf90f8b Mon Sep 17 00:00:00 2001
From: jvoisin
Date: Mon, 16 Oct 2023 17:48:32 +0200
Subject: Add a check about redefined macros

---
 include/fortify-headers.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/fortify-headers.h b/include/fortify-headers.h
index 46d5610..c7b15f9 100644
--- a/include/fortify-headers.h
+++ b/include/fortify-headers.h
@@ -94,7 +94,7 @@
 #define __malloc(...)
 #endif
 
-#if __has_attribute (alloc_size)
+#if __has_attribute (alloc_size) && !defined(__alloc_size)
 #define __alloc_size(...) __attribute__ ((alloc_size (__VA_ARGS__)))
 #else
 #define __alloc_size(...)
-- 
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