[svn-r8113] Purpose:

new library function H5Pdelete_filter
deletes one or all filters from a dataset creation property list
this was done for the NONE option of h5repack, added tests for this feature
added a test for the new function in /test/dsets.c


Description:

Solution:

Platforms tested:
linux
solaris
AIX

Misc. update:

1 files changed, 49 insertions, 0 deletions

diff --git a/src/H5Pdcpl.c b/src/H5Pdcpl.c
index f61ebf0..5ee9c17 100644
--- a/src/H5Pdcpl.c
+++ b/src/H5Pdcpl.c
@@ -1621,3 +1621,52 @@ done:
     FUNC_LEAVE_API(ret_value);
 }
 
+/*-------------------------------------------------------------------------
+ * Function: H5Pdelete_filter
+ *
+ * Purpose: Deletes a filter from the dataset creation property list;
+ *  deletes all filters if FILTER is H5Z_FILTER_NONE  
+ *  
+ * Return: Non-negative on success/Negative on failure
+ *
+ * Programmer: Pedro Vicente
+ *             January 26, 2004
+ *
+ * Modifications:
+ *
+ *-------------------------------------------------------------------------
+ */
+
+herr_t
+H5Pdelete_filter(hid_t plist_id, H5Z_filter_t filter)
+{
+ H5P_genplist_t *plist;      /* Property list pointer */
+ H5O_pline_t pline;          /* Filter pipeline */
+ herr_t ret_value = SUCCEED; /* return value          */
+ 
+ FUNC_ENTER_API(H5Pdelete_filter, FAIL);
+ H5TRACE2("e","iZf",plist_id,filter);
+ 
+ /* Get the property list structure */
+ if(NULL == (plist = H5P_object_verify(plist_id,H5P_DATASET_CREATE)))
+  HGOTO_ERROR(H5E_ATOM, H5E_BADATOM, FAIL, "can't find object for ID");
+ 
+ /* Get pipeline info */
+ if(H5P_get(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0)
+  HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't get pipeline");
+
+ if (pline.filter) 
+ {
+  /* Delete filter */
+  if(H5Z_delete(&pline, filter) < 0)
+   HGOTO_ERROR(H5E_PLIST, H5E_CANTGET, H5Z_FILTER_ERROR, "can't delete filter");
+  
+  /* Put the I/O pipeline information back into the property list */
+  if(H5P_set(plist, H5D_CRT_DATA_PIPELINE_NAME, &pline) < 0)
+   HGOTO_ERROR(H5E_PLIST, H5E_CANTSET, FAIL, "can't set pipeline");
+ }
+ 
+done:
+ FUNC_LEAVE_API(ret_value);
+}
+