diff options
| -rw-r--r-- | release_docs/RELEASE.txt | 15 | ||||
| -rw-r--r-- | src/H5S.c | 7 | ||||
| -rw-r--r-- | test/tselect.c | 80 |
3 files changed, 98 insertions, 4 deletions
diff --git a/release_docs/RELEASE.txt b/release_docs/RELEASE.txt index 84f339a..9dd54fa 100644 --- a/release_docs/RELEASE.txt +++ b/release_docs/RELEASE.txt @@ -951,6 +951,21 @@ Bug Fixes since HDF5-1.10.3 release (DER - 2019/12/09, HDFFV-10945) + - H5Sset_extent_none() sets the dataspace class to H5S_NO_CLASS which + causes asserts/errors when passed to other dataspace API calls. + + H5S_NO_CLASS is an internal class value that should not have been + exposed via a public API call. + + In debug builds of the library, this can cause asserts to trip. In + non-debug builds, it will produce normal library errors. + + The new library behavior is for H5Sset_extent_none() to convert + the dataspace into one of type H5S_NULL, which is better handled + by the library and easier for developers to reason about. + + (DER - 2020/07/27, HDFFV-11027) + Java Library: ---------------- @@ -437,6 +437,9 @@ H5S__extent_release(H5S_extent_t *extent) extent->max = H5FL_ARR_FREE(hsize_t, extent->max); } /* end if */ + extent->rank = 0; + extent->nelem = 0; + FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5S__extent_release() */ @@ -1832,7 +1835,7 @@ done: RETURNS Non-negative on success/Negative on failure DESCRIPTION - This function resets the type of a dataspace back to "none" with no + This function resets the type of a dataspace to H5S_NULL with no extent information stored for the dataspace. --------------------------------------------------------------------------*/ herr_t @@ -1852,7 +1855,7 @@ H5Sset_extent_none(hid_t space_id) if(H5S__extent_release(&space->extent) < 0) HGOTO_ERROR(H5E_RESOURCE, H5E_CANTDELETE, FAIL, "can't release previous dataspace") - space->extent.type = H5S_NO_CLASS; + space->extent.type = H5S_NULL; done: FUNC_LEAVE_API(ret_value) diff --git a/test/tselect.c b/test/tselect.c index aa0ab11..607212b 100644 --- a/test/tselect.c +++ b/test/tselect.c @@ -15442,14 +15442,14 @@ test_hyper_io_1d(void) /* Get the dataset's dataspace */ sid = H5Dget_space(did); - CHECK(sid, H5I_INVALID_HID, "H5Pcreate"); + CHECK(sid, H5I_INVALID_HID, "H5Dget_space"); ret = H5Sselect_hyperslab(sid, H5S_SELECT_SET, offset, stride, count, block); CHECK(ret, FAIL, "H5Sselect_hyperslab"); /* Set up contiguous memory dataspace for the selected elements */ dimsm[0] = count[0]; mid = H5Screate_simple(RANK, dimsm, NULL); - CHECK(mid, H5I_INVALID_HID, "H5Screate"); + CHECK(mid, H5I_INVALID_HID, "H5Screate_simple"); /* Read all the selected 10th elements in the dataset into "rdata" */ ret = H5Dread(did, H5T_NATIVE_INT, mid, sid, H5P_DEFAULT, rdata); @@ -15476,6 +15476,77 @@ test_hyper_io_1d(void) /**************************************************************** ** +** test_get_extent_no_class: +** Test to verify the behavior of dataspace code when passed +** a dataspace modified by H5Sset_extent_none(). +** +****************************************************************/ +static void +test_h5s_set_extent_none(void) +{ + hid_t sid = H5I_INVALID_HID; + hid_t dst_sid = H5I_INVALID_HID; + hid_t null_sid = H5I_INVALID_HID; + int rank = 1; + hsize_t current_dims = 123; + H5S_class_t cls; + int out_rank; + hsize_t out_dims; + hsize_t out_maxdims; + hssize_t out_points; + htri_t equal; + herr_t ret; + + /* Specific values here don't matter as we're just going to reset */ + sid = H5Screate_simple(rank, ¤t_dims, NULL); + CHECK(sid, H5I_INVALID_HID, "H5Screate_simple"); + + /* Dataspace class will be H5S_NULL after this. + * In versions prior to 1.10.7 / 1.12.1 this would produce a + * dataspace with the internal H5S_NO_SPACE class. + */ + ret = H5Sset_extent_none(sid); + CHECK(ret, FAIL, "H5Sset_extent_none"); + cls = H5Sget_simple_extent_type(sid); + VERIFY(cls, H5S_NULL, "H5Sget_simple_extent_type"); + + /* Extent getters should generate normal results and not segfault. + */ + out_rank = H5Sget_simple_extent_dims(sid, &out_dims, &out_maxdims); + VERIFY(out_rank, 0, "H5Sget_simple_extent_dims"); + out_rank = H5Sget_simple_extent_ndims(sid); + VERIFY(out_rank, 0, "H5Sget_simple_extent_ndims"); + out_points = H5Sget_simple_extent_npoints(sid); + VERIFY(out_points, 0, "H5Sget_simple_extent_npoints"); + + /* Check that copying the new (non-)extent works. + */ + dst_sid = H5Screate_simple(rank, ¤t_dims, NULL); + CHECK(dst_sid, H5I_INVALID_HID, "H5Screate_simple"); + ret = H5Sextent_copy(dst_sid, sid); + CHECK(ret, FAIL, "H5Sextent_copy"); + + /* Check that H5Sset_extent_none() produces the same extent as + * H5Screate(H5S_NULL). + */ + null_sid = H5Screate(H5S_NULL); + CHECK(null_sid, H5I_INVALID_HID, "H5Screate"); + equal = H5Sextent_equal(sid, null_sid); + VERIFY(equal, TRUE, "H5Sextent_equal"); + + /* Close */ + ret = H5Sclose(sid); + CHECK(ret, FAIL, "H5Sclose"); + ret = H5Sclose(dst_sid); + CHECK(ret, FAIL, "H5Sclose"); + ret = H5Sclose(null_sid); + CHECK(ret, FAIL, "H5Sclose"); + +} /* test_get_extent_no_class() */ + + +/**************************************************************** +** ** test_select(): Main H5S selection testing routine. ** ****************************************************************/ @@ -15660,6 +15731,11 @@ test_select(void) /* Test reading of 1-d disjoint file space to 1-d single block memory space */ test_hyper_io_1d(); + /* Test H5Sset_extent_none() functionality after we updated it to set + * the class to H5S_NULL instead of H5S_NO_CLASS. + */ + test_h5s_set_extent_none(); + } /* test_select() */ |