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Diffstat (limited to 'test/dynlib3.c')
| -rw-r--r-- | test/dynlib3.c | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/test/dynlib3.c b/test/dynlib3.c new file mode 100644 index 0000000..8871321 --- /dev/null +++ b/test/dynlib3.c @@ -0,0 +1,103 @@ +/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * + * 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 + * 1 April 2013 + * + * Purpose: Tests the plugin module (H5PL) + */ + +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "H5PLextern.h" + +#define H5Z_FILTER_DYNLIB3 259 +#define SUFFIX_LEN 8 +#define GROUP_SUFFIX ".h5group" + +static size_t H5Z_filter_dynlib3(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_DYNLIB3[1] = {{ + H5Z_CLASS_T_VERS, /* H5Z_class_t version */ + H5Z_FILTER_DYNLIB3, /* Filter id number */ + 1, 1, /* Encoding and decoding enabled */ + "dynlib3", /* Filter name for debugging */ + NULL, /* The "can apply" callback */ + NULL, /* The "set local" callback */ + (H5Z_func_t)H5Z_filter_dynlib3, /* The actual filter function */ +}}; + +H5PL_type_t H5PLget_plugin_type(void) {return H5PL_TYPE_FILTER;} +const void *H5PLget_plugin_info(void) {return H5Z_DYNLIB3;} + +/*------------------------------------------------------------------------- + * Function: H5Z_filter_dynlib3 + * + * Purpose: A dynlib3 filter method that is used to test groups. It + * appends the suffix ".h5group" to each group name during + * write and takes it out during read. + * + * Return: Success: Data chunk size + * + * Failure: 0 + * + * Programmer: Raymond Lu + * 1 April 2013 + * + *------------------------------------------------------------------------- + */ +static size_t +H5Z_filter_dynlib3(unsigned int flags, size_t cd_nelmts, + const unsigned int *cd_values, size_t nbytes, + size_t *buf_size, void **buf) +{ + size_t ret_value; /* Return value */ + + /* 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*/ + ret_value = *buf_size = nbytes - SUFFIX_LEN; + } /* end if */ + else { /*write*/ + void *outbuf = NULL; /* Pointer to new buffer */ + unsigned char *dst; /* Temporary pointer to destination buffer */ + + dst = (unsigned char *)(outbuf = H5allocate_memory(nbytes + SUFFIX_LEN, 0)); + + /* Copy raw data */ + memcpy((void*)dst, (void*)(*buf), nbytes); + + /* Append suffix to raw data for storage */ + dst += nbytes; + memcpy(dst, (void*)GROUP_SUFFIX, SUFFIX_LEN); + + /* Free input buffer */ + H5free_memory(*buf); + + /* Set return values */ + *buf_size = nbytes + SUFFIX_LEN; + *buf = outbuf; + outbuf = NULL; + ret_value = *buf_size; + } /* end else */ + + return ret_value; +} /* H5Z_filter_dynlib3() */ + |