[svn-r22250] - fix most of issues from code review

- object open routines fall back to the generic VL object open in case the specific call back is not impemented
- H5L VOL create/copy/move routines
- make VOL create routines have similar interface and stuff parameters in creation plist
- some bug fixes

1 files changed, 17 insertions, 1 deletions

diff --git a/src/H5Gint.c b/src/H5Gint.c
index 497babc..ee0295c 100644
--- a/src/H5Gint.c
+++ b/src/H5Gint.c
@@ -45,6 +45,7 @@
 #include "H5Lprivate.h"         /* Links                                */
 #include "H5MMprivate.h"	/* Memory management			*/
 #include "H5Pprivate.h"		/* Property lists			*/
+#include "H5VLprivate.h"	/* VOL          		  	*/
 
 /****************/
 /* Local Macros */
@@ -107,7 +108,6 @@ H5FL_DEFINE(H5G_shared_t);
 /* Declare the free list to manage H5_obj_t's */
 H5FL_DEFINE(H5_obj_t);
 
-
 /*****************************/
 /* Library Private Variables */
 /*****************************/
@@ -814,6 +814,8 @@ H5G_iterate(hid_t loc_id, const char *group_name,
     hid_t gid = -1;             /* ID of group to iterate over */
     H5G_t *grp = NULL;          /* Pointer to group data structure to iterate over */
     H5G_iter_appcall_ud_t udata; /* User data for callback */
+    H5VL_id_wrapper_t   *id_wrapper1;     /* user id structure of the location where the group will be opend */
+    H5VL_id_wrapper_t   *id_wrapper2;     /* user id structure of new opend group*/
     herr_t ret_value;           /* Return value */
 
     FUNC_ENTER_NOAPI(FAIL)
@@ -823,6 +825,10 @@ H5G_iterate(hid_t loc_id, const char *group_name,
     HDassert(last_lnk);
     HDassert(lnk_op && lnk_op->op_func.op_new);
 
+    /* get the ID struct */
+    if(NULL == (id_wrapper1 = (H5VL_id_wrapper_t *)H5I_object(loc_id)))
+        HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "invalid user identifier")
+
     /*
      * Open the group on which to operate.  We also create a group ID which
      * we can pass to the application-defined operator.
@@ -834,6 +840,16 @@ H5G_iterate(hid_t loc_id, const char *group_name,
     if((gid = H5I_register(H5I_GROUP, grp, TRUE)) < 0)
         HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to register group")
 
+    /* Create a new id that points to a struct that holds the group id and the VOL plugin */
+    /* Allocate new id structure */
+    if(NULL == (id_wrapper2 = (H5VL_id_wrapper_t *)H5MM_malloc(sizeof(H5VL_id_wrapper_t))))
+        HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, FAIL, "memory allocation failed")
+    id_wrapper2->obj_id = gid;
+    id_wrapper2->vol_plugin = id_wrapper1->vol_plugin;
+
+    if((gid = H5I_register(H5I_GROUP_PUBLIC, id_wrapper2, TRUE)) < 0)
+        HGOTO_ERROR(H5E_ATOM, H5E_CANTREGISTER, FAIL, "unable to atomize group handle")
+
     /* Set up user data for callback */
     udata.gid = gid;
     udata.lnk_op = *lnk_op;