diff options
Diffstat (limited to 'src/H5Dio.c')
| -rw-r--r-- | src/H5Dio.c | 6 |
1 files changed, 2 insertions, 4 deletions
diff --git a/src/H5Dio.c b/src/H5Dio.c index 0d9a91c..fb07831 100644 --- a/src/H5Dio.c +++ b/src/H5Dio.c @@ -480,7 +480,7 @@ H5Dread(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id, else if (TRUE!=H5P_isa_class(plist_id,H5P_DATASET_XFER)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not xfer parms") - if (!buf) + if (!buf && H5S_GET_SELECT_NPOINTS(file_space)!=0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no output buffer") /* read raw data */ @@ -568,7 +568,7 @@ H5Dwrite(hid_t dset_id, hid_t mem_type_id, hid_t mem_space_id, else if (TRUE!=H5P_isa_class(plist_id,H5P_DATASET_XFER)) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not xfer parms") - if (!buf) + if (!buf && H5S_GET_SELECT_NPOINTS(file_space)!=0) HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "no output buffer") /* write raw data */ @@ -649,7 +649,6 @@ H5D_read(H5D_t *dataset, hid_t mem_type_id, const H5S_t *mem_space, /* check args */ assert(dataset && dataset->ent.file); - assert(buf); /* Get memory datatype */ if (NULL == (mem_type = H5I_object_verify(mem_type_id, H5I_DATATYPE))) @@ -846,7 +845,6 @@ H5D_write(H5D_t *dataset, hid_t mem_type_id, const H5S_t *mem_space, /* check args */ assert(dataset && dataset->ent.file); - assert(buf); /* Get the memory datatype */ if (NULL == (mem_type = H5I_object_verify(mem_type_id, H5I_DATATYPE))) |