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-rw-r--r--src/include/stddef.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/stddef.h b/src/include/stddef.h
index d0dad6209c..137de04405 100644
--- a/src/include/stddef.h
+++ b/src/include/stddef.h
@@ -28,6 +28,10 @@ typedef unsigned int wint_t;
#define offsetof(TYPE, MEMBER) ((size_t) &((TYPE *)0)->MEMBER)
+#define check_member(structure, member, offset) _Static_assert( \
+ offsetof(struct structure, member) == offset, \
+ "`struct " #structure "` offset for `" #member "` is not " #offset )
+
#ifdef __PRE_RAM__
#define ROMSTAGE_CONST const
#else