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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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|
@@ -9,31 +9,34 @@ | |
| * If you do not have access to either file, you may request a copy from * | ||
| * [email protected]. * | ||
| * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ | ||
|
|
||
| /* | ||
| * Purpose: Tests the plugin module (H5PL) | ||
| * Purpose: Test group filter plugin for the filter_pluging.c test. | ||
| */ | ||
|
|
||
| #include <stdlib.h> | ||
| #include <stdio.h> | ||
| #include "H5PLextern.h" | ||
| #include <string.h> | ||
|
|
||
| #define H5Z_FILTER_DYNLIB4 260 | ||
| #include "H5PLextern.h" | ||
|
|
||
| #define PUSH_ERR(func, minor, str) \ | ||
| H5Epush2(H5E_DEFAULT, __FILE__, func, __LINE__, H5E_ERR_CLS, H5E_PLUGIN, minor, str) | ||
| #define FILTER4_ID 260 | ||
| #define SUFFIX_LEN 8 | ||
| #define GROUP_SUFFIX ".h5group" | ||
|
|
||
| static size_t H5Z_filter_dynlib4(unsigned int flags, size_t cd_nelmts, const unsigned int *cd_values, | ||
| size_t nbytes, size_t *buf_size, void **buf); | ||
| static size_t append_to_group_name(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_DYNLIB4[1] = {{ | ||
| H5Z_CLASS_T_VERS, /* H5Z_class_t version */ | ||
| H5Z_FILTER_DYNLIB4, /* Filter id number */ | ||
| 1, 1, /* Encoding and decoding enabled */ | ||
| "dynlib4", /* Filter name for debugging */ | ||
| NULL, /* The "can apply" callback */ | ||
| NULL, /* The "set local" callback */ | ||
| H5Z_filter_dynlib4, /* The actual filter function */ | ||
| /* Filter class struct */ | ||
| const H5Z_class2_t FILTER_INFO[1] = {{ | ||
| H5Z_CLASS_T_VERS, /* H5Z_class_t version */ | ||
| FILTER4_ID, /* Filter ID number */ | ||
| 1, /* Encoding enabled */ | ||
| 1, /* Decoding enabled */ | ||
| "test filter plugin 4", /* Filter name for debugging */ | ||
| NULL, /* The "can apply" callback */ | ||
| NULL, /* The "set local" callback */ | ||
| append_to_group_name, /* The actual filter function */ | ||
| }}; | ||
|
|
||
| H5PL_type_t | ||
|
|
@@ -44,66 +47,66 @@ H5PLget_plugin_type(void) | |
| const void * | ||
| H5PLget_plugin_info(void) | ||
| { | ||
| return H5Z_DYNLIB4; | ||
| return FILTER_INFO; | ||
| } | ||
|
|
||
| /*------------------------------------------------------------------------- | ||
| * Function: H5Z_filter_dynlib4 | ||
| * Function: append_to_group_name | ||
| * | ||
| * Purpose: A dynlib4 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. Designed to call a HDF function. | ||
| * Purpose: On write: | ||
| * Appends the suffix ".h5group" to the group name | ||
| * On read: | ||
| * Removes the ".h5group" suffix from the group name | ||
| * | ||
| * Return: Success: Data chunk size | ||
| * | ||
| * Failure: 0 | ||
| * Return: Success: Data size in bytes | ||
| * Failure: 0 | ||
| * | ||
| *------------------------------------------------------------------------- | ||
| */ | ||
| static size_t | ||
| H5Z_filter_dynlib4(unsigned int flags, size_t cd_nelmts, const unsigned int *cd_values, size_t nbytes, | ||
| size_t *buf_size, void **buf) | ||
| append_to_group_name(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; | ||
| unsigned ver_info[3]; | ||
|
|
||
| /* Check for the library version */ | ||
| if (H5get_libversion(&ver_info[0], &ver_info[1], &ver_info[2]) < 0) { | ||
| PUSH_ERR("dynlib4", H5E_CALLBACK, "H5get_libversion"); | ||
| return (0); | ||
| } | ||
| size_t new_name_size = 0; /* Return value */ | ||
|
|
||
| /* Check for the correct number of parameters */ | ||
| if (cd_nelmts == 0) | ||
| return (0); | ||
| if (cd_nelmts > 0) | ||
| return 0; | ||
|
|
||
| /* Assignment to eliminate unused parameter warning. */ | ||
| (void)cd_values; | ||
|
|
||
| if (flags & H5Z_FLAG_REVERSE) { | ||
| /* READ - Remove the suffix from the group name */ | ||
| new_name_size = *buf_size = nbytes - SUFFIX_LEN; | ||
| } | ||
| else { | ||
| /* WRITE - Append the suffix to the group name */ | ||
| void *outbuf = NULL; /* Pointer to new buffer */ | ||
| unsigned char *dst = NULL; /* Temporary pointer to destination buffer */ | ||
|
|
||
| /* Get memory for the new, larger string buffer using the | ||
| * library's memory allocator. | ||
| */ | ||
| if (NULL == (dst = (unsigned char *)(outbuf = H5allocate_memory(nbytes + SUFFIX_LEN, 0)))) | ||
| return 0; | ||
|
|
||
| /* Copy raw data */ | ||
| memcpy((void *)dst, (const void *)(*buf), nbytes); | ||
|
|
||
| /* Append suffix to raw data for storage */ | ||
| dst += nbytes; | ||
| memcpy((void *)dst, (const void *)GROUP_SUFFIX, SUFFIX_LEN); | ||
|
|
||
| /* Check that permanent parameters are set correctly */ | ||
| if (cd_values[0] > 9) | ||
| return (0); | ||
| /* Free the passed-in buffer using the library's allocator */ | ||
| H5free_memory(*buf); | ||
|
|
||
| if (ver_info[0] != cd_values[1] || ver_info[1] != cd_values[2]) { | ||
| PUSH_ERR("dynlib4", H5E_CALLBACK, "H5get_libversion does not match"); | ||
| return (0); | ||
| /* Set return values */ | ||
| *buf_size = nbytes + SUFFIX_LEN; | ||
| *buf = outbuf; | ||
| outbuf = NULL; | ||
| new_name_size = *buf_size; | ||
| } | ||
|
|
||
| add_on = (int)cd_values[0]; | ||
|
|
||
| if (flags & H5Z_FLAG_REVERSE) { /*read*/ | ||
| /* Subtract 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_dynlib4() */ | ||
| return new_name_size; | ||
| } /* append_to_group_name() */ | ||
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