diff options
Diffstat (limited to 'test/null_vfd_plugin.c')
| -rw-r--r-- | test/null_vfd_plugin.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/test/null_vfd_plugin.c b/test/null_vfd_plugin.c new file mode 100644 index 0000000..8031484 --- /dev/null +++ b/test/null_vfd_plugin.c @@ -0,0 +1,131 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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: A simple Virtual File Driver (VFD) with almost no functionality + * that is used for testing basic VFD plugin handling (registration, etc.). + */ + +/* Public HDF5 headers */ +#include "hdf5.h" + +/* For HDF5 plugin functionality */ +#include "H5PLextern.h" + +/* This driver's header */ +#include "null_vfd_plugin.h" + +/* Prototypes */ +static H5FD_t *H5FD_null_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr); +static herr_t H5FD_null_close(H5FD_t *_file); +static herr_t H5FD_null_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, + void *buf); +static herr_t H5FD_null_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, + const void *buf); +static haddr_t H5FD_null_get_eoa(const H5FD_t *_file, H5FD_mem_t type); +static herr_t H5FD_null_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr); +static haddr_t H5FD_null_get_eof(const H5FD_t *_file, H5FD_mem_t type); + +static const H5FD_class_t H5FD_null_g = { + NULL_VFD_VALUE, /* value */ + NULL_VFD_NAME, /* name */ + 1, /* maxaddr */ + H5F_CLOSE_WEAK, /* fc_degree */ + NULL, /* terminate */ + NULL, /* sb_size */ + NULL, /* sb_encode */ + NULL, /* sb_decode */ + 0, /* fapl_size */ + NULL, /* fapl_get */ + NULL, /* fapl_copy */ + NULL, /* fapl_free */ + 0, /* dxpl_size */ + NULL, /* dxpl_copy */ + NULL, /* dxpl_free */ + H5FD_null_open, /* open */ + H5FD_null_close, /* close */ + NULL, /* cmp */ + NULL, /* query */ + NULL, /* get_type_map */ + NULL, /* alloc */ + NULL, /* free */ + H5FD_null_get_eoa, /* get_eoa */ + H5FD_null_set_eoa, /* set_eoa */ + H5FD_null_get_eof, /* get_eof */ + NULL, /* get_handle */ + H5FD_null_read, /* read */ + H5FD_null_write, /* write */ + NULL, /* flush */ + NULL, /* truncate */ + NULL, /* lock */ + NULL, /* unlock */ + NULL, /* del */ + NULL, /* ctl */ + H5FD_FLMAP_DICHOTOMY /* fl_map */ +}; + +static H5FD_t * +H5FD_null_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr) +{ + return NULL; +} + +static herr_t +H5FD_null_close(H5FD_t *_file) +{ + return 0; +} + +static herr_t +H5FD_null_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, void *buf) +{ + return 0; +} + +static herr_t +H5FD_null_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, const void *buf) +{ + return 0; +} + +static haddr_t +H5FD_null_get_eoa(const H5FD_t *_file, H5FD_mem_t type) +{ + return HADDR_UNDEF; +} + +static herr_t +H5FD_null_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr) +{ + return 0; +} + +static haddr_t +H5FD_null_get_eof(const H5FD_t *_file, H5FD_mem_t type) +{ + return HADDR_UNDEF; +} + +/* These two functions are necessary to load this plugin using + * the HDF5 library. + */ + +H5PL_type_t +H5PLget_plugin_type(void) +{ + return H5PL_TYPE_VFD; +} + +const void * +H5PLget_plugin_info(void) +{ + return &H5FD_null_g; +} |