Make sure at compile time that the scalar type of the array
requested to be created via QARRAY_CREATE() matches the scalar
type of the passed auto reference variable (unique pointer).
Suggested-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Christian Schoenebeck <qemu_...@crudebyte.com>
---
include/qemu/qarray.h | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/include/qemu/qarray.h b/include/qemu/qarray.h
index 9885e5e9ed..643c8877c5 100644
--- a/include/qemu/qarray.h
+++ b/include/qemu/qarray.h
@@ -27,6 +27,8 @@
#ifndef QEMU_QARRAY_H
#define QEMU_QARRAY_H
+#include "qemu/compiler.h"
+
/**
* QArray provides a mechanism to access arrays in common C-style (e.g. by
* square bracket [] operator) in conjunction with reference variables that
@@ -145,6 +147,10 @@
* @param len - amount of array elements to be allocated immediately
*/
#define QARRAY_CREATE(scalar_type, auto_var, len) \
+ QEMU_BUILD_BUG_MSG( \
+ !__builtin_types_compatible_p(scalar_type, typeof(*auto_var)), \
+ "QArray scalar type mismatch" \
+ ); \
qarray_create_##scalar_type((&auto_var), len)
#endif /* QEMU_QARRAY_H */
--
2.20.1
