diff options
Diffstat (limited to 'src/H5Dchunk.c')
| -rw-r--r-- | src/H5Dchunk.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/src/H5Dchunk.c b/src/H5Dchunk.c index fa4b62c..cde291f 100644 --- a/src/H5Dchunk.c +++ b/src/H5Dchunk.c @@ -402,6 +402,10 @@ H5D_chunk_construct(H5F_t UNUSED *f, H5D_t *dset) HDassert(f); HDassert(dset); + /* Check for invalid chunk dimension rank */ + if(0 == dset->shared->layout.u.chunk.ndims) + HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, FAIL, "no chunk information set?") + /* Set up layout information */ if((ndims = H5S_GET_EXTENT_NDIMS(dset->shared->space)) < 0) HGOTO_ERROR(H5E_DATASET, H5E_CANTGET, FAIL, "unable to get rank") @@ -424,13 +428,18 @@ H5D_chunk_construct(H5F_t UNUSED *f, H5D_t *dset) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "unable to query maximum dimensions") /* Sanity check dimensions */ - for(u = 0; u < dset->shared->layout.u.chunk.ndims - 1; u++) + for(u = 0; u < dset->shared->layout.u.chunk.ndims - 1; u++) { + /* Don't allow zero-sized chunk dimensions */ + if(0 == dset->shared->layout.u.chunk.dim[u]) + HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "chunk size must be > 0, dim = %u ", u) + /* * The chunk size of a dimension with a fixed size cannot exceed * the maximum dimension size */ if(max_dim[u] != H5S_UNLIMITED && max_dim[u] < dset->shared->layout.u.chunk.dim[u]) HGOTO_ERROR(H5E_DATASET, H5E_CANTINIT, FAIL, "chunk size must be <= maximum dimension size for fixed-sized dimensions") + } /* end for */ /* Compute the total size of a chunk */ /* (Use 64-bit value to ensure that we can detect >4GB chunks) */ |