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-rw-r--r--src/H5Zpkg.h15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/H5Zpkg.h b/src/H5Zpkg.h
index cd899fb..9cd126e 100644
--- a/src/H5Zpkg.h
+++ b/src/H5Zpkg.h
@@ -23,6 +23,21 @@
/* Include private header file */
#include "H5Zprivate.h" /* Filter functions */
+
+/* The initial version of the format */
+#define H5O_PLINE_VERSION_1 1
+
+/* This version encodes the message fields more efficiently */
+/* (Drops the reserved bytes, doesn't align the name and doesn't encode the
+ * filter name at all if it's a filter provided by the library)
+ */
+#define H5O_PLINE_VERSION_2 2
+
+/* The latest version of the format. Look through the 'encode' and 'size'
+ * callbacks for places to change when updating this. */
+#define H5O_PLINE_VERSION_LATEST H5O_PLINE_VERSION_2
+
+
#ifdef H5_HAVE_FILTER_DEFLATE
/*
* Deflate filter