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-rw-r--r--src/H5Tpublic.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/H5Tpublic.h b/src/H5Tpublic.h
index 4c1a680..1fc4477 100644
--- a/src/H5Tpublic.h
+++ b/src/H5Tpublic.h
@@ -20,7 +20,7 @@
#include <H5public.h>
#include <H5Ipublic.h>
-#define HOFFSET(S,M) ((size_t)((const char*)&S.M-(const char*)&S))
+#define HOFFSET(S,M) (offsetof(S,M))
#define HPOFFSET(P,M) ((size_t)((const char*)&(P->M)-(const char*)P))
/* These are the various classes of data types */