[svn-r10001] Purpose:

bug fix

Description:
in 1 case when there was not a requested layout, the original chunk  was not preserved

Solution:

Platforms tested:
linux (small change)

Misc. update:

1 files changed, 25 insertions, 0 deletions

diff --git a/tools/h5repack/h5repack_filters.c b/tools/h5repack/h5repack_filters.c
index 5d815c9..7108c3a 100644
--- a/tools/h5repack/h5repack_filters.c
+++ b/tools/h5repack/h5repack_filters.c
@@ -202,6 +202,8 @@ int apply_filters(const char* name,    /* object name from traverse list */
  unsigned     aggression;     /* the deflate level */
  hsize_t      nelmts;         /* number of elements in dataset */
  size_t       size;           /* size of datatype in bytes */
+ hsize_t      chsize[64];     /* chunk size in elements */
+ H5D_layout_t layout;
  int          i;
 	pack_info_t  obj;
 		
@@ -250,6 +252,29 @@ int apply_filters(const char* name,    /* object name from traverse list */
   if (H5Premove_filter(dcpl_id,H5Z_FILTER_ALL)<0) 
    return -1;
  }
+
+ 
+ /*-------------------------------------------------------------------------
+		* check if there is an existent chunk
+  * read it only if there is not a requested layout
+		*-------------------------------------------------------------------------
+  */
+ if (obj.layout == -1 )
+ {
+  if ((layout = H5Pget_layout(dcpl_id))<0) 
+   return -1;
+  
+  if (layout==H5D_CHUNKED)
+  {
+   if ((rank = H5Pget_chunk(dcpl_id,NELMTS(chsize),chsize/*out*/))<0)
+    return -1;
+   obj.layout=H5D_CHUNKED;
+   obj.chunk.rank=rank;
+   for ( i=0; i<rank; i++)
+    obj.chunk.chunk_lengths[i] = chsize[i];
+  }
+ }
+
 	
 	/*-------------------------------------------------------------------------
  * the type of filter and additional parameter