diff options
Diffstat (limited to 'src/H5Fdeprec.c')
| -rw-r--r-- | src/H5Fdeprec.c | 91 |
1 files changed, 75 insertions, 16 deletions
diff --git a/src/H5Fdeprec.c b/src/H5Fdeprec.c index 4a3bce0..6417956 100644 --- a/src/H5Fdeprec.c +++ b/src/H5Fdeprec.c @@ -5,12 +5,10 @@ * * * 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://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * - * access to either file, you may request a copy from help@hdfgroup.org. * + * the COPYING file, which can be found at the root of the source code * + * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * + * If you do not have access to either file, you may request a copy from * + * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- @@ -38,6 +36,7 @@ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ +#include "H5CXprivate.h" /* API Contexts */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5Iprivate.h" /* IDs */ @@ -102,6 +101,7 @@ herr_t H5Fget_info1(hid_t obj_id, H5F_info1_t *finfo) { H5F_t *f; /* Top file in mount hierarchy */ + H5F_info2_t finfo2; /* Current file info struct */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_API(FAIL) @@ -129,21 +129,80 @@ H5Fget_info1(hid_t obj_id, H5F_info1_t *finfo) } /* end else */ HDassert(f->shared); - /* Reset file info struct */ - HDmemset(finfo, 0, sizeof(*finfo)); + /* Get the current file info */ + if(H5F__get_info(f, &finfo2) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "unable to retrieve file info") - /* Get the size of the superblock extension */ - if(H5F__super_size(f, H5AC_ind_read_dxpl_id, NULL, &finfo->super_ext_size) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "Unable to retrieve superblock extension size") - - /* Check for SOHM info */ - if(H5F_addr_defined(f->shared->sohm_addr)) - if(H5SM_ih_size(f, H5AC_ind_read_dxpl_id, &finfo->sohm.hdr_size, &finfo->sohm.msgs_info) < 0) - HGOTO_ERROR(H5E_FILE, H5E_CANTGET, FAIL, "Unable to retrieve SOHM index & heap storage info") + /* Copy the compatible fields into the older struct */ + finfo->super_ext_size = finfo2.super.super_ext_size; + finfo->sohm.hdr_size = finfo2.sohm.hdr_size; + finfo->sohm.msgs_info = finfo2.sohm.msgs_info; done: FUNC_LEAVE_API(ret_value) } /* end H5Fget_info1() */ + +/*------------------------------------------------------------------------- + * Function: H5Fset_latest_format + * + * Purpose: Enable switching between latest or non-latest format while + * a file is open. + * This is deprecated starting release 1.10.2 and is modified + * to call the private H5F_set_libver_bounds() to set the + * bounds. + * + * Before release 1.10.2, the library supports only two + * combinations of low/high bounds: + * (earliest, latest) + * (latest, latest) + * Thus, this public routine does the job in switching + * between the two combinations listed above. + * + * Starting release 1.10.2, we add v18 to the enumerated + * define H5F_libver_t and the library supports five combinations + * as below: + * (earliest, v18) + * (earliest, v10) + * (v18, v18) + * (v18, v10) + * (v10, v10) + * So we introduce the new public routine H5Fset_libver_bounds() + * in place of H5Fset_latest_format(). + * See also RFC: Setting Bounds for Object Creation in HDF5 1.10.0. + * + * Return: Non-negative on success/Negative on failure + * + * Programmer: Vailin Choi; December 2017 + * + *------------------------------------------------------------------------- + */ +herr_t +H5Fset_latest_format(hid_t file_id, hbool_t latest_format) +{ + H5F_t *f; /* File */ + H5F_libver_t low = H5F_LIBVER_LATEST; /* Low bound */ + H5F_libver_t high = H5F_LIBVER_LATEST; /* High bound */ + herr_t ret_value = SUCCEED; /* Return value */ + + FUNC_ENTER_API(FAIL) + H5TRACE2("e", "ib", file_id, latest_format); + + /* Check args */ + if(NULL == (f = (H5F_t *)H5I_object_verify(file_id, H5I_FILE))) + HGOTO_ERROR(H5E_FILE, H5E_BADVALUE, FAIL, "not a file ID") + + /* 'low' and 'high' are both initialized to LATEST. + If latest format is not expected, set 'low' to EARLIEST */ + if(!latest_format) + low = H5F_LIBVER_EARLIEST; + + /* Call private set_libver_bounds function to set the bounds */ + if(H5F__set_libver_bounds(f, low, high) < 0) + HGOTO_ERROR(H5E_FILE, H5E_CANTSET, FAIL, "cannot set low/high bounds") + +done: + FUNC_LEAVE_API(ret_value) +} /* end H5Fset_latest_format() */ #endif /* H5_NO_DEPRECATED_SYMBOLS */ |