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7f1e49206d
This is where most people will expect to find license information. The COPYING_LBNL_HDF5 file has also been renamed to LICENSE_LBNL_HDF5. The licenses are unchanged.
168 lines
5.1 KiB
C
168 lines
5.1 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the LICENSE file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/* Purpose: A simple Virtual File Driver (VFD) with almost no functionality
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* that is used for testing basic VFD plugin handling (registration, etc.).
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*/
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/* Public HDF5 headers */
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#include "hdf5.h"
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/* For HDF5 plugin functionality */
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#include "H5PLextern.h"
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/* This driver's header */
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#include "null_vfd_plugin.h"
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/* Prototypes */
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static H5FD_t *H5FD_null_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr);
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static herr_t H5FD_null_close(H5FD_t *_file);
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static herr_t H5FD_null_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size,
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void *buf);
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static herr_t H5FD_null_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size,
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const void *buf);
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static haddr_t H5FD_null_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
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static herr_t H5FD_null_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
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static haddr_t H5FD_null_get_eof(const H5FD_t *_file, H5FD_mem_t type);
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static const H5FD_class_t H5FD_null_g = {
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H5FD_CLASS_VERSION, /* struct version */
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NULL_VFD_VALUE, /* value */
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NULL_VFD_NAME, /* name */
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1, /* maxaddr */
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H5F_CLOSE_WEAK, /* fc_degree */
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NULL, /* terminate */
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NULL, /* sb_size */
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NULL, /* sb_encode */
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NULL, /* sb_decode */
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0, /* fapl_size */
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NULL, /* fapl_get */
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NULL, /* fapl_copy */
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NULL, /* fapl_free */
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0, /* dxpl_size */
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NULL, /* dxpl_copy */
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NULL, /* dxpl_free */
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H5FD_null_open, /* open */
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H5FD_null_close, /* close */
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NULL, /* cmp */
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NULL, /* query */
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NULL, /* get_type_map */
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NULL, /* alloc */
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NULL, /* free */
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H5FD_null_get_eoa, /* get_eoa */
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H5FD_null_set_eoa, /* set_eoa */
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H5FD_null_get_eof, /* get_eof */
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NULL, /* get_handle */
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H5FD_null_read, /* read */
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H5FD_null_write, /* write */
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NULL, /* read_vector */
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NULL, /* write_vector */
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NULL, /* read_selection */
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NULL, /* write_selection */
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NULL, /* flush */
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NULL, /* truncate */
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NULL, /* lock */
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NULL, /* unlock */
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NULL, /* del */
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NULL, /* ctl */
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H5FD_FLMAP_DICHOTOMY /* fl_map */
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};
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static H5FD_t *
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H5FD_null_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr)
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{
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(void)name;
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(void)flags;
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(void)fapl_id;
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(void)maxaddr;
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return NULL;
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}
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static herr_t
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H5FD_null_close(H5FD_t *_file)
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{
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(void)_file;
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return 0;
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}
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static herr_t
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H5FD_null_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, void *buf)
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{
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(void)_file;
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(void)type;
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(void)dxpl_id;
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(void)addr;
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(void)size;
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(void)buf;
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return 0;
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}
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static herr_t
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H5FD_null_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, const void *buf)
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{
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(void)_file;
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(void)type;
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(void)dxpl_id;
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(void)addr;
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(void)size;
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(void)buf;
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return 0;
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}
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static haddr_t
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H5FD_null_get_eoa(const H5FD_t *_file, H5FD_mem_t type)
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{
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(void)_file;
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(void)type;
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return HADDR_UNDEF;
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}
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static herr_t
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H5FD_null_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr)
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{
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(void)_file;
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(void)type;
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(void)addr;
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return 0;
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}
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static haddr_t
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H5FD_null_get_eof(const H5FD_t *_file, H5FD_mem_t type)
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{
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(void)_file;
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(void)type;
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return HADDR_UNDEF;
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}
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/* These two functions are necessary to load this plugin using
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* the HDF5 library.
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*/
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H5PL_type_t
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H5PLget_plugin_type(void)
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{
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return H5PL_TYPE_VFD;
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}
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const void *
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H5PLget_plugin_info(void)
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{
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return &H5FD_null_g;
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}
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