From 3d84cd8f13d32eaee32b7e1e27c707682d80693e Mon Sep 17 00:00:00 2001
From: Martin Uecker <uecker@tugraz.at>
Date: Mon, 2 Sep 2024 22:25:50 +0200
Subject: [PATCH] add alloc_size to xmalloc

---
 src/misc/misc.h | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/src/misc/misc.h b/src/misc/misc.h
index 0917d4bbc..7b7e397c3 100644
--- a/src/misc/misc.h
+++ b/src/misc/misc.h
@@ -32,7 +32,15 @@
 
 #include "misc/cppwrap.h"
 
-extern void* xmalloc(size_t s);
+#ifndef alloc_size
+#ifndef __clang__
+#define alloc_size(x) [[gnu::alloc_size(x)]]
+#else
+#define alloc_size(x)
+#endif
+#endif
+
+extern void* xmalloc(size_t s) alloc_size(1);
 extern void xfree(const void*);
 extern void warn_nonnull_ptr(void*);