diff options
Diffstat (limited to 'src/H5HFdtable.c')
| -rw-r--r-- | src/H5HFdtable.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/src/H5HFdtable.c b/src/H5HFdtable.c index e571b85..e51b45b 100644 --- a/src/H5HFdtable.c +++ b/src/H5HFdtable.c @@ -211,3 +211,37 @@ H5HF_dtable_dest(H5HF_dtable_t *dtable) FUNC_LEAVE_NOAPI(SUCCEED) } /* end H5HF_dtable_dest() */ + +/*------------------------------------------------------------------------- + * Function: H5HF_dtable_size_to_row + * + * Purpose: Compute row that can hold block of a certain size + * + * Return: Non-negative on success (can't fail) + * + * Programmer: Quincey Koziol + * koziol@ncsa.uiuc.edu + * Apr 25 2006 + * + *------------------------------------------------------------------------- + */ +unsigned +H5HF_dtable_size_to_row(H5HF_dtable_t *dtable, size_t block_size) +{ + unsigned row; /* Row where block will fit */ + + FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5HF_dtable_size_to_row) + + /* + * Check arguments. + */ + HDassert(dtable); + + if(block_size == dtable->cparam.start_block_size) + row = 0; + else + row = (H5V_log2_of2((uint32_t)block_size) - H5V_log2_of2(dtable->cparam.start_block_size)) + 1; + + FUNC_LEAVE_NOAPI(row) +} /* end H5HF_dtable_size_to_row() */ + |