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-rw-r--r--src/H5Tcommit.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/src/H5Tcommit.c b/src/H5Tcommit.c
index 3a3b7a1..757bb8c 100644
--- a/src/H5Tcommit.c
+++ b/src/H5Tcommit.c
@@ -148,7 +148,8 @@ H5T_commit (H5G_entry_t *loc, const char *name, H5T_t *type, hid_t dxpl_id)
if(H5T_is_sensible(type)!=TRUE)
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "datatype is not sensible");
- /* Mark datatype as being on disk now */
+ /* Mark datatype as being on disk now. This step changes the size of datatype as
+ * stored on disk. */
if(H5T_set_loc(type, file, H5T_LOC_DISK)<0)
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "cannot mark datatype on disk")
@@ -164,7 +165,8 @@ H5T_commit (H5G_entry_t *loc, const char *name, H5T_t *type, hid_t dxpl_id)
HGOTO_ERROR (H5E_DATATYPE, H5E_CANTINIT, FAIL, "unable to name data type");
type->state = H5T_STATE_OPEN;
- /* Mark datatype as being on memory now */
+ /* Mark datatype as being on memory now. Since this datatype may still be used in memory
+ * after committed to disk, change its size back as in memory. */
if(H5T_set_loc(type, NULL, H5T_LOC_MEMORY)<0)
HGOTO_ERROR(H5E_DATATYPE, H5E_CANTINIT, FAIL, "cannot mark datatype in memory")