diff options
author | Quincey Koziol <koziol@hdfgroup.org> | 1998-08-04 00:30:35 (GMT) |
---|---|---|
committer | Quincey Koziol <koziol@hdfgroup.org> | 1998-08-04 00:30:35 (GMT) |
commit | 48f8e55c0a7aae63b741725b3c40c377959b9d35 (patch) | |
tree | eb984bfd0b1d04efb51a3c89592fa74d8b65e0ce /src/H5Sselect.c | |
parent | b91c28331572a835e259b0fa7c49f67b5e20bd28 (diff) | |
download | hdf5-48f8e55c0a7aae63b741725b3c40c377959b9d35.zip hdf5-48f8e55c0a7aae63b741725b3c40c377959b9d35.tar.gz hdf5-48f8e55c0a7aae63b741725b3c40c377959b9d35.tar.bz2 |
[svn-r566] Fixed offset code [finally :-/ ] for selections.
Diffstat (limited to 'src/H5Sselect.c')
-rw-r--r-- | src/H5Sselect.c | 98 |
1 files changed, 96 insertions, 2 deletions
diff --git a/src/H5Sselect.c b/src/H5Sselect.c index 7f7650b..2188470 100644 --- a/src/H5Sselect.c +++ b/src/H5Sselect.c @@ -104,7 +104,14 @@ H5S_select_copy (H5S_t *dst, const H5S_t *src) /* Copy regular fields */ dst->select=src->select; -/* Need to copy offset and order information still */ +/* Need to copy order information still */ + + /* Copy offset information */ + if (NULL==(dst->select.offset = H5MM_calloc(src->extent.u.simple.rank*sizeof(hssize_t)))) { + HRETURN_ERROR (H5E_RESOURCE, H5E_NOSPACE, NULL, "memory allocation failed"); + } + if(src->select.offset!=NULL) + HDmemcpy(dst->select.offset,src->select.offset,(src->extent.u.simple.rank*sizeof(hssize_t))); /* Perform correct type of copy based on the type of selection */ switch (src->extent.type) { @@ -631,7 +638,7 @@ H5S_select_npoints (const H5S_t *space) { herr_t ret_value=FAIL; /* return value */ - FUNC_ENTER (H5Sselect_npoints, FAIL); + FUNC_ENTER (H5S_select_npoints, FAIL); assert(space); @@ -701,3 +708,90 @@ H5S_sel_iter_release (const H5S_t *space, H5S_sel_iter_t *sel_iter) FUNC_LEAVE (ret_value); } /* H5S_sel_iter_release() */ + +/*-------------------------------------------------------------------------- + NAME + H5Sselect_valid + PURPOSE + Check whether the selection fits within the extent, with the current + offset defined. + USAGE + hbool_t H5Sselect_void(dsid) + hid_t dsid; IN: Dataspace ID to query + RETURNS + TRUE if the selection fits within the extent, FALSE if it does not and + FAIL on an error. + DESCRIPTION + Determines if the current selection at the current offet fits within the + extent for the dataspace. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +hbool_t +H5Sselect_valid (hid_t spaceid) +{ + H5S_t *space = NULL; /* Dataspace to modify selection of */ + hbool_t ret_value=FAIL; /* return value */ + + FUNC_ENTER (H5Sselect_valid, 0); + H5TRACE1("b","i",spaceid); + + /* Check args */ + if (H5_DATASPACE != H5I_group(spaceid) || + NULL == (space=H5I_object(spaceid))) { + HRETURN_ERROR(H5E_ARGS, H5E_BADTYPE, 0, "not a data space"); + } + + ret_value = H5S_select_valid(space); + + FUNC_LEAVE (ret_value); +} /* H5Sselect_valid() */ + +/*-------------------------------------------------------------------------- + NAME + H5S_select_valid + PURPOSE + Check whether the selection fits within the extent, with the current + offset defined. + USAGE + hbool_t H5Sselect_void(space) + H5S_t *space; IN: Dataspace pointer to query + RETURNS + TRUE if the selection fits within the extent, FALSE if it does not and + FAIL on an error. + DESCRIPTION + Determines if the current selection at the current offet fits within the + extent for the dataspace. + GLOBAL VARIABLES + COMMENTS, BUGS, ASSUMPTIONS + EXAMPLES + REVISION LOG +--------------------------------------------------------------------------*/ +hbool_t +H5S_select_valid (const H5S_t *space) +{ + hbool_t ret_value=FAIL; /* return value */ + + FUNC_ENTER (H5S_select_valid, FAIL); + + assert(space); + + switch(space->select.type) { + case H5S_SEL_POINTS: /* Sequence of points selected */ + ret_value=H5S_point_select_valid(space); + break; + + case H5S_SEL_HYPERSLABS: /* Hyperslab selection defined */ + ret_value=H5S_hyper_select_valid(space); + break; + + case H5S_SEL_ALL: /* Entire extent selected */ + case H5S_SEL_NONE: /* Nothing selected */ + ret_value=TRUE; + break; + } /* end switch */ + + FUNC_LEAVE (ret_value); +} /* H5S_select_valid() */ |