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-rw-r--r--src/H5Dbtree.c22
1 files changed, 14 insertions, 8 deletions
diff --git a/src/H5Dbtree.c b/src/H5Dbtree.c
index c23f089..8abfe27 100644
--- a/src/H5Dbtree.c
+++ b/src/H5Dbtree.c
@@ -666,12 +666,13 @@ done:
static herr_t
H5D__btree_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key)
{
- const H5O_layout_chunk_t *layout; /* Chunk layout description */
- H5D_btree_key_t *key = (H5D_btree_key_t *) _key; /* Pointer to decoded key */
- hsize_t tmp_offset; /* Temporary coordinate offset, from file */
- unsigned u; /* Local index variable */
+ const H5O_layout_chunk_t *layout; /* Chunk layout description */
+ H5D_btree_key_t *key = (H5D_btree_key_t *) _key; /* Pointer to decoded key */
+ hsize_t tmp_offset; /* Temporary coordinate offset, from file */
+ unsigned u; /* Local index variable */
+ herr_t ret_value = SUCCEED; /* Return value */
- FUNC_ENTER_STATIC_NOERR
+ FUNC_ENTER_STATIC
/* check args */
HDassert(shared);
@@ -684,16 +685,21 @@ H5D__btree_decode_key(const H5B_shared_t *shared, const uint8_t *raw, void *_key
/* decode */
UINT32DECODE(raw, key->nbytes);
UINT32DECODE(raw, key->filter_mask);
- for(u = 0; u < layout->ndims; u++) {
+ for(u = 0; u < layout->ndims; u++)
+ {
+ if (layout->dim[u] == 0)
+ HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, FAIL, "chunk size must be > 0, dim = %u ", u)
+
/* Retrieve coordinate offset */
- UINT64DECODE(raw, tmp_offset);
+ UINT64DECODE(raw, tmp_offset);
HDassert(0 == (tmp_offset % layout->dim[u]));
/* Convert to a scaled offset */
key->scaled[u] = tmp_offset / layout->dim[u];
} /* end for */
- FUNC_LEAVE_NOAPI(SUCCEED)
+done:
+ FUNC_LEAVE_NOAPI(ret_value)
} /* end H5D__btree_decode_key() */