diff options
Diffstat (limited to 'src/H5Dbtree.c')
| -rw-r--r-- | src/H5Dbtree.c | 32 |
1 files changed, 12 insertions, 20 deletions
diff --git a/src/H5Dbtree.c b/src/H5Dbtree.c index 2937b50..a9dfad6 100644 --- a/src/H5Dbtree.c +++ b/src/H5Dbtree.c @@ -10,13 +10,9 @@ * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ -/* Programmer: Robb Matzke - * Wednesday, October 8, 1997 - * - * Purpose: v1 B-tree indexed (chunked) I/O functions. The chunks are +/* Purpose: v1 B-tree indexed (chunked) I/O functions. The chunks are * given a multi-dimensional index which is used as a lookup key * in a B-tree that maps chunk index to disk address. - * */ /****************/ @@ -627,15 +623,11 @@ done: } /* end H5D__btree_remove() */ /*------------------------------------------------------------------------- - * Function: H5D__btree_decode_key + * Function: H5D__btree_decode_key * - * Purpose: Decodes a raw key into a native key for the B-tree - * - * Return: Non-negative on success/Negative on failure - * - * Programmer: Robb Matzke - * Friday, October 10, 1997 + * Purpose: Decodes a raw key into a native key for the B-tree * + * Return: SUCCEED/FAIL *------------------------------------------------------------------------- */ static herr_t @@ -644,33 +636,33 @@ 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 */ - herr_t ret_value = SUCCEED; /* Return value */ + herr_t ret_value = SUCCEED; FUNC_ENTER_PACKAGE - /* check args */ HDassert(shared); HDassert(raw); HDassert(key); layout = (const H5O_layout_chunk_t *)shared->udata; HDassert(layout); - HDassert(layout->ndims > 0 && layout->ndims <= H5O_LAYOUT_NDIMS); - /* decode */ + if (layout->ndims > H5O_LAYOUT_NDIMS) + HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, FAIL, "bad number of dimensions") + UINT32DECODE(raw, key->nbytes); UINT32DECODE(raw, key->filter_mask); - for (u = 0; u < layout->ndims; u++) { + for (unsigned 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); - HDassert(0 == (tmp_offset % layout->dim[u])); + if (0 != (tmp_offset % layout->dim[u])) + HGOTO_ERROR(H5E_DATASET, H5E_BADVALUE, FAIL, "bad coordinate offset") /* Convert to a scaled offset */ key->scaled[u] = tmp_offset / layout->dim[u]; - } /* end for */ + } done: FUNC_LEAVE_NOAPI(ret_value) |