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| author | Quincey Koziol <koziol@hdfgroup.org> | 2006-04-30 13:32:41 (GMT) |
|---|---|---|
| committer | Quincey Koziol <koziol@hdfgroup.org> | 2006-04-30 13:32:41 (GMT) |
| commit | 4965bf1839b4219c3063e27d37bc59a777cc1fb5 (patch) | |
| tree | 925c87307aa9c13c66c301b0d3ca9283e9b20d32 /src/H5HFdtable.c | |
| parent | eb96132022da938d4b54ae4dd482919a178c4ee5 (diff) | |
| download | hdf5-4965bf1839b4219c3063e27d37bc59a777cc1fb5.zip hdf5-4965bf1839b4219c3063e27d37bc59a777cc1fb5.tar.gz hdf5-4965bf1839b4219c3063e27d37bc59a777cc1fb5.tar.bz2 | |
[svn-r12317] Purpose:
Code checkpoint
Description:
More progress on fractal heap, can now re-open an existing heap, although
the free space algorithm still needs work.
Also, use the new "pinned entry" metadata cache code.
Platforms tested:
FreeBSD 4.11 (sleipnir)
Linux 2.4 (heping)
Solaris 9 (shanti)
Linux 2.4/64 (mir)
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() */ + |