1 files changed, 27 insertions, 0 deletions
diff --git a/src/H5Oprivate.h b/src/H5Oprivate.h
index 65d76db..34acff9 100644
--- a/src/H5Oprivate.h
+++ b/src/H5Oprivate.h
@@ -124,6 +124,33 @@ typedef struct H5O_stab_t {
    haddr_t	heap;			/*address of name heap		*/
 } H5O_stab_t;
 
+/*
+ * Simple Datatype message.
+ */
+#define H5O_SIM_DTYPE_ID	0x0003
+extern const H5O_class_t H5O_SIM_DTYPE[1];
+
+typedef struct {
+    uint8 length;   /* Number of bytes */
+    uint8 arch;     /* Architecture format of the data */
+    hatom_t type;   /* Type of the data */
+} H5O_sim_dtype_t;
+
+/*
+ * Simple Dimensionality message.
+ */
+#define H5O_SIM_DIM_ID	0x0001
+extern const H5O_class_t H5O_SIM_DIM[1];
+
+typedef struct {
+    uint32 rank;        /* Number of dimensions */
+    uint32 dim_flags;   /* Dimension flags */
+    uint32 *size;       /* Dimension sizes */
+    uint32 *max;        /* Maximum dimension sizes */
+    uint32 *perm;       /* Dimension permutations */
+} H5O_sim_dim_t;
+
+
 
 haddr_t H5O_new (hdf5_file_t *f, intn nlink, size_t size_hint);
 intn H5O_link (hdf5_file_t *f, haddr_t addr, H5G_entry_t *ent, intn adjust);