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-rw-r--r--src/H5Pdcpl.c43
1 files changed, 42 insertions, 1 deletions
diff --git a/src/H5Pdcpl.c b/src/H5Pdcpl.c
index 29976c2..bc32274 100644
--- a/src/H5Pdcpl.c
+++ b/src/H5Pdcpl.c
@@ -825,7 +825,48 @@ H5P__dcrt_layout_cmp(const void *_layout1, const void *_layout2, size_t H5_ATTR_
break;
case H5D_VIRTUAL:
- HDassert(0 && "Not yet implemented...");//VDSINC
+ {
+ htri_t equal;
+ int strcmp_ret;
+ size_t u; /* Local index variable */
+
+ /* Compare number of mappings */
+ if(layout1->storage.u.virt.list_nused < layout2->storage.u.virt.list_nused) HGOTO_DONE(-1)
+ if(layout1->storage.u.virt.list_nused > layout2->storage.u.virt.list_nused) HGOTO_DONE(1)
+
+ /* Iterate over mappings */
+ for(u = 0; u < layout1->storage.u.virt.list_nused; u++) {
+ /* Compare virtual spaces. Note we cannot tell which is
+ * "greater", so just return 1 if different, -1 on failure.
+ */
+ if((equal = H5S_extent_equal(layout1->storage.u.virt.list[u].source_dset.virtual_select, layout2->storage.u.virt.list[u].source_dset.virtual_select)) < 0) HGOTO_DONE(-1)
+ if(!equal)
+ HGOTO_DONE(1)
+ if((equal = H5S_select_shape_same(layout1->storage.u.virt.list[u].source_dset.virtual_select, layout2->storage.u.virt.list[u].source_dset.virtual_select)) < 0) HGOTO_DONE(-1)
+ if(!equal)
+ HGOTO_DONE(1)
+
+ /* Compare source file names */
+ strcmp_ret = HDstrcmp(layout1->storage.u.virt.list[u].source_file_name, layout2->storage.u.virt.list[u].source_file_name);
+ if(strcmp_ret < 0) HGOTO_DONE(-1)
+ if(strcmp_ret > 0) HGOTO_DONE(1)
+
+ /* Compare source dataset names */
+ strcmp_ret = HDstrcmp(layout1->storage.u.virt.list[u].source_dset_name, layout2->storage.u.virt.list[u].source_dset_name);
+ if(strcmp_ret < 0) HGOTO_DONE(-1)
+ if(strcmp_ret > 0) HGOTO_DONE(1)
+
+ /* Compare source spaces. Note we cannot tell which is
+ * "greater", so just return 1 if different, -1 on failure.
+ */
+ if((equal = H5S_extent_equal(layout1->storage.u.virt.list[u].source_select, layout2->storage.u.virt.list[u].source_select)) < 0) HGOTO_DONE(-1)
+ if(!equal)
+ HGOTO_DONE(1)
+ if((equal = H5S_select_shape_same(layout1->storage.u.virt.list[u].source_select, layout2->storage.u.virt.list[u].source_select)) < 0) HGOTO_DONE(-1)
+ if(!equal)
+ HGOTO_DONE(1)
+ } /* end for */
+ } /* end block */
break;
case H5D_LAYOUT_ERROR: