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-rw-r--r--src/H5Aint.c10
-rw-r--r--src/H5Oattribute.c6
2 files changed, 14 insertions, 2 deletions
diff --git a/src/H5Aint.c b/src/H5Aint.c
index 8475330..74c5590 100644
--- a/src/H5Aint.c
+++ b/src/H5Aint.c
@@ -795,6 +795,12 @@ H5A_set_version(const H5F_t *f, H5A_t *attr)
*
* Purpose: Copies a message from _MESG to _DEST in file
*
+ * Note that this function assumes that it is copying *all*
+ * the attributes in the object, specifically when it copies
+ * the creation order from source to destination. If this is
+ * to be used to copy only a single attribute, then the
+ * creation order must be handled differently. -NAF
+ *
* Return: Success: Ptr to _DEST
*
* Failure: NULL
@@ -849,6 +855,7 @@ H5A_attr_copy_file(const H5A_t *attr_src, H5F_t *file_dst, hbool_t *recompute_si
/* Copy attribute's name */
attr_dst->shared->name = H5MM_strdup(attr_src->shared->name);
HDassert(attr_dst->shared->name);
+ attr_dst->shared->encoding = attr_src->shared->encoding;
/* Copy attribute's datatype */
/* If source is named, we will keep dst as named, but we will not actually
@@ -1003,6 +1010,9 @@ H5A_attr_copy_file(const H5A_t *attr_src, H5F_t *file_dst, hbool_t *recompute_si
} /* end else */
} /* end if(attr_src->shared->data) */
+ /* Copy the creation order */
+ attr_dst->shared->crt_idx = attr_src->shared->crt_idx;
+
/* Recompute the version to encode the destination attribute */
if(H5A_set_version(file_dst, attr_dst) < 0)
HGOTO_ERROR(H5E_ATTR, H5E_CANTSET, NULL, "unable to update attribute version")
diff --git a/src/H5Oattribute.c b/src/H5Oattribute.c
index 5778dc1..055fb69 100644
--- a/src/H5Oattribute.c
+++ b/src/H5Oattribute.c
@@ -434,8 +434,10 @@ H5O_attr_open_cb(H5O_t *oh, H5O_mesg_t *mesg/*in,out*/, unsigned sequence,
if(NULL == (udata->attr = H5A_copy(NULL, (H5A_t *)mesg->native)))
HGOTO_ERROR(H5E_ATTR, H5E_CANTCOPY, H5_ITER_ERROR, "unable to copy attribute")
- /* Assign [somewhat arbitrary] creation order value, for older versions of the format */
- if(oh->version == H5O_VERSION_1)
+ /* Assign [somewhat arbitrary] creation order value, for older versions
+ * of the format or if creation order is not tracked */
+ if(oh->version == H5O_VERSION_1
+ || !(oh->flags & H5O_HDR_ATTR_CRT_ORDER_TRACKED))
udata->attr->shared->crt_idx = sequence;
/* Stop iterating */