/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * 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 COPYING file, which can be found at the root of the source code * * distribution tree, or in https://www.hdfgroup.org/licenses. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * Purpose: v2 B-tree metadata statistics functions. * */ /****************/ /* Module Setup */ /****************/ #include "H5B2module.h" /* This source code file is part of the H5B2 module */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5B2pkg.h" /* v2 B-trees */ #include "H5Eprivate.h" /* Error handling */ /****************/ /* Local Macros */ /****************/ /******************/ /* Local Typedefs */ /******************/ /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ /*********************/ /* Package Variables */ /*********************/ /*****************************/ /* Library Private Variables */ /*****************************/ /*******************/ /* Local Variables */ /*******************/ /*------------------------------------------------------------------------- * Function: H5B2_stat_info * * Purpose: Retrieve metadata statistics for a v2 B-tree * * Return: SUCCEED (Can't fail) * *------------------------------------------------------------------------- */ herr_t H5B2_stat_info(H5B2_t *bt2, H5B2_stat_t *info) { FUNC_ENTER_NOAPI_NOINIT_NOERR /* Check arguments. */ assert(info); /* Get information about the B-tree */ info->depth = bt2->hdr->depth; info->nrecords = bt2->hdr->root.all_nrec; FUNC_LEAVE_NOAPI(SUCCEED) } /* H5B2_stat_info() */ /*------------------------------------------------------------------------- * Function: H5B2_size * * Purpose: Iterate over all the records in the B-tree, collecting * storage info. * * Return: SUCCEED/FAIL * *------------------------------------------------------------------------- */ herr_t H5B2_size(H5B2_t *bt2, hsize_t *btree_size) { H5B2_hdr_t *hdr; /* Pointer to the B-tree header */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) /* Check arguments. */ assert(bt2); assert(btree_size); /* Set the shared v2 B-tree header's file context for this operation */ bt2->hdr->f = bt2->f; /* Get the v2 B-tree header */ hdr = bt2->hdr; /* Add size of header to B-tree metadata total */ *btree_size += hdr->hdr_size; /* Iterate through records */ if (hdr->root.node_nrec > 0) { /* Check for root node being a leaf */ if (hdr->depth == 0) *btree_size += hdr->node_size; else /* Iterate through nodes */ if (H5B2__node_size(hdr, hdr->depth, &hdr->root, hdr, btree_size) < 0) HGOTO_ERROR(H5E_BTREE, H5E_CANTLIST, FAIL, "node iteration failed"); } /* end if */ done: FUNC_LEAVE_NOAPI(ret_value) } /* H5B2_size() */ develop_subfiling'>inactive/develop_subfiling Mirror from: https://github.com/HDFGroup/hdf5.git
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