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-rw-r--r--src/H5Olayout.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/H5Olayout.c b/src/H5Olayout.c
index cc8a7dd..6f4274f 100644
--- a/src/H5Olayout.c
+++ b/src/H5Olayout.c
@@ -395,6 +395,9 @@ H5O_layout_copy(const void *_mesg, void *_dest)
case H5D_COMPACT:
/* Deep copy the buffer for compact datasets also */
if(mesg->storage.u.compact.size > 0) {
+ /* Sanity check */
+ HDassert(mesg->storage.u.compact.buf);
+
/* Allocate memory for the raw data */
if(NULL == (dest->storage.u.compact.buf = H5MM_malloc(dest->storage.u.compact.size)))
HGOTO_ERROR(H5E_OHDR, H5E_NOSPACE, NULL, "unable to allocate memory for compact dataset")