mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-09 07:32:32 +08:00
89fbe00dec
* commit '54957d37f5aa73912763dbb6e308555e863c43f4': Commit copyright header change for src/H5PLpkg.c which was added after running script to make changes. Add new files in release_docs to MANIFEST. Cimmit changes to Makefile.in(s) and H5PL.c that resulted from running autogen.sh. Merge pull request #407 in HDFFV/hdf5 from ~LRKNOX/hdf5_lrk:hdf5_1_10_1 to hdf5_1_10_1 Change copyright headers to replace url referring to file to be removed and replace it with new url for COPYING file.
93 lines
3.5 KiB
C
93 lines
3.5 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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://support.hdfgroup.org/ftp/HDF5/releases. *
|
|
* If you do not have access to either file, you may request a copy from *
|
|
* help@hdfgroup.org. *
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
/*
|
|
* Programmer: Raymond Lu
|
|
* 13 February 2013
|
|
*
|
|
* Purpose: Tests the plugin module (H5PL)
|
|
*/
|
|
|
|
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include "H5PLextern.h"
|
|
|
|
#define H5Z_FILTER_DYNLIB2 258
|
|
#define MULTIPLIER 3
|
|
|
|
static size_t H5Z_filter_dynlib2(unsigned int flags, size_t cd_nelmts,
|
|
const unsigned int *cd_values, size_t nbytes, size_t *buf_size, void **buf);
|
|
|
|
/* This message derives from H5Z */
|
|
const H5Z_class2_t H5Z_DYNLIB2[1] = {{
|
|
H5Z_CLASS_T_VERS, /* H5Z_class_t version */
|
|
H5Z_FILTER_DYNLIB2, /* Filter id number */
|
|
1, 1, /* Encoding and decoding enabled */
|
|
"dynlib2", /* Filter name for debugging */
|
|
NULL, /* The "can apply" callback */
|
|
NULL, /* The "set local" callback */
|
|
(H5Z_func_t)H5Z_filter_dynlib2, /* The actual filter function */
|
|
}};
|
|
|
|
H5PL_type_t H5PLget_plugin_type(void) {return H5PL_TYPE_FILTER;}
|
|
const void *H5PLget_plugin_info(void) {return H5Z_DYNLIB2;}
|
|
|
|
/*-------------------------------------------------------------------------
|
|
* Function: H5Z_filter_dynlib2
|
|
*
|
|
* Purpose: A dynlib2 filter method that multiplies the original value
|
|
* during write and divide the original value during read. It
|
|
* will be built as a shared library. plugin.c test will load
|
|
* and use this filter library.
|
|
*
|
|
* Return: Success: Data chunk size
|
|
*
|
|
* Failure: 0
|
|
*
|
|
* Programmer: Raymond Lu
|
|
* 29 March 2013
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
static size_t
|
|
H5Z_filter_dynlib2(unsigned int flags, size_t cd_nelmts,
|
|
const unsigned int *cd_values, size_t nbytes,
|
|
size_t *buf_size, void **buf)
|
|
{
|
|
int *int_ptr = (int *)*buf; /* Pointer to the data values */
|
|
size_t buf_left = *buf_size; /* Amount of data buffer left to process */
|
|
|
|
/* Check for the correct number of parameters */
|
|
if(cd_nelmts > 0)
|
|
return(0);
|
|
|
|
/* Assignment to eliminate unused parameter warning. */
|
|
cd_values = cd_values;
|
|
|
|
if(flags & H5Z_FLAG_REVERSE) { /*read*/
|
|
/* Divide the original value with MULTIPLIER */
|
|
while(buf_left > 0) {
|
|
*int_ptr++ /= MULTIPLIER;
|
|
buf_left -= sizeof(int);
|
|
} /* end while */
|
|
} /* end if */
|
|
else { /*write*/
|
|
/* Multiply the original value with MULTIPLIER */
|
|
while(buf_left > 0) {
|
|
*int_ptr++ *= MULTIPLIER;
|
|
buf_left -= sizeof(int);
|
|
} /* end while */
|
|
} /* end else */
|
|
|
|
return nbytes;
|
|
} /* end H5Z_filter_dynlib2() */
|
|
|