diff options
Diffstat (limited to 'src/H5HFdtable.c')
| -rw-r--r-- | src/H5HFdtable.c | 39 |
1 files changed, 35 insertions, 4 deletions
diff --git a/src/H5HFdtable.c b/src/H5HFdtable.c index e51b45b..1461cd7 100644 --- a/src/H5HFdtable.c +++ b/src/H5HFdtable.c @@ -103,11 +103,11 @@ H5HF_dtable_init(H5HF_dtable_t *dtable) HDassert(dtable); /* Compute/cache some values */ - dtable->first_row_bits = H5V_log2_of2(dtable->cparam.start_block_size) + - H5V_log2_of2(dtable->cparam.width); + dtable->start_bits = H5V_log2_of2(dtable->cparam.start_block_size); + dtable->first_row_bits = dtable->start_bits + H5V_log2_of2(dtable->cparam.width); dtable->max_root_rows = (dtable->cparam.max_index - dtable->first_row_bits) + 1; - dtable->max_direct_rows = (H5V_log2_of2(dtable->cparam.max_direct_size) - - H5V_log2_of2(dtable->cparam.start_block_size)) + 2; + dtable->max_direct_bits = H5V_log2_of2(dtable->cparam.max_direct_size); + dtable->max_direct_rows = (dtable->max_direct_bits - dtable->start_bits) + 2; dtable->num_id_first_row = dtable->cparam.start_block_size * dtable->cparam.width; dtable->max_dir_blk_off_size = H5HF_SIZEOF_OFFSET_LEN(dtable->cparam.max_direct_size); @@ -245,3 +245,34 @@ H5HF_dtable_size_to_row(H5HF_dtable_t *dtable, size_t block_size) FUNC_LEAVE_NOAPI(row) } /* end H5HF_dtable_size_to_row() */ + +/*------------------------------------------------------------------------- + * Function: H5HF_dtable_size_to_rows + * + * Purpose: Compute # of rows of indirect block of a given size + * + * Return: Non-negative on success (can't fail) + * + * Programmer: Quincey Koziol + * koziol@ncsa.uiuc.edu + * May 31 2006 + * + *------------------------------------------------------------------------- + */ +unsigned +H5HF_dtable_size_to_rows(H5HF_dtable_t *dtable, hsize_t size) +{ + unsigned rows; /* # of rows required for indirect block */ + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_dtable_size_to_rows) + + /* + * Check arguments. + */ + HDassert(dtable); + + rows = (H5V_log2_gen(size) - dtable->first_row_bits) + 1; + + FUNC_LEAVE_NOAPI(rows) +} /* end H5HF_dtable_size_to_rows() */ + |