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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the files COPYING and Copyright.html. COPYING can be found at the root *
* of the source code distribution tree; Copyright.html can be found at the *
* root level of an installed copy of the electronic HDF5 document set and *
* is linked from the top-level documents page. It can also be found at *
* http://hdf.ncsa.uiuc.edu/HDF5/doc/Copyright.html. If you do not have *
* access to either file, you may request a copy from hdfhelp@ncsa.uiuc.edu. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
/*
* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
* Thursday, May 15, 2003
*
* Purpose: This file contains declarations which are visible only within
* the H5B package. Source files outside the H5B package should
* include H5Bprivate.h instead.
*/
#ifndef H5B_PACKAGE
#error "Do not include this file outside the H5B package!"
#endif
#ifndef _H5Bpkg_H
#define _H5Bpkg_H
/* Get package's private header */
#include "H5Bprivate.h"
/* Other private headers needed by this file */
/**************************/
/* Package Private Macros */
/**************************/
/****************************/
/* Package Private Typedefs */
/****************************/
/*
* The B-tree node as stored in memory...
*/
typedef struct H5B_key_t {
hbool_t dirty; /*native key is more recent than raw key */
uint8_t *rkey; /*ptr into node->page for raw key */
void *nkey; /*null or ptr into node->native for key */
} H5B_key_t;
struct H5B_t {
H5AC_info_t cache_info; /* Information for H5AC cache functions, _must_ be */
/* first field in structure */
const H5B_class_t *type; /*type of tree */
size_t sizeof_rkey; /*size of raw (disk) key */
unsigned ndirty; /*num child ptrs to emit */
int level; /*node level */
haddr_t left; /*address of left sibling */
haddr_t right; /*address of right sibling */
unsigned nchildren; /*number of child pointers */
uint8_t *page; /*disk page */
uint8_t *native; /*array of keys in native format */
H5B_key_t *key; /*2k+1 key entries */
haddr_t *child; /*2k child pointers */
};
/******************************/
/* Package Private Prototypes */
/******************************/
#endif /*_H5Bpkg_H*/
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