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-/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
- * 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_DYNLIB1 257
-
-static size_t H5Z_filter_dynlib1(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_DYNLIB1[1] = {{
- H5Z_CLASS_T_VERS, /* H5Z_class_t version */
- H5Z_FILTER_DYNLIB1, /* Filter id number */
- 1, 1, /* Encoding and decoding enabled */
- "dynlib1", /* Filter name for debugging */
- NULL, /* The "can apply" callback */
- NULL, /* The "set local" callback */
- (H5Z_func_t)H5Z_filter_dynlib1, /* The actual filter function */
-}};
-
-H5PL_type_t H5PLget_plugin_type(void) {return H5PL_TYPE_FILTER;}
-const void *H5PLget_plugin_info(void) {return H5Z_DYNLIB1;}
-
-/*-------------------------------------------------------------------------
- * Function: H5Z_filter_dynlib1
- *
- * Purpose: A dynlib1 filter method that adds on and subtract from
- * the original value with another value. 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_dynlib1(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 */
- int add_on = 0;
-
- /* Check for the correct number of parameters */
- if(cd_nelmts == 0)
- return(0);
-
- /* Check that permanent parameters are set correctly */
- if(cd_values[0] > 9)
- return(0);
-
- add_on = (int)cd_values[0];
-
- if(flags & H5Z_FLAG_REVERSE) { /*read*/
- /* Substract the "add on" value to all the data values */
- while(buf_left > 0) {
- *int_ptr++ -= add_on;
- buf_left -= sizeof(int);
- } /* end while */
- } /* end if */
- else { /*write*/
- /* Add the "add on" value to all the data values */
- while(buf_left > 0) {
- *int_ptr++ += add_on;
- buf_left -= sizeof(int);
- } /* end while */
- } /* end else */
-
- return nbytes;
-} /* end H5Z_filter_dynlib1() */
-