add alloc_size to xmalloc

mrirecon · Sep 2, 2024 · 3d84cd8 · 3d84cd8
1 parent 97d69a1
commit 3d84cd8
Showing 1 changed file with 9 additions and 1 deletion.
diff --git 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*);