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https://github.com/HDFGroup/hdf5.git
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369099d843
* Cast away a signed/unsigned issue in H5HFhuge.c * Use our platform-independent POSIX types in external_common.c and h5test.c * Replace a memset() call with a (const) array initializer in h5test.c * Fix an unused done: target in h5diff
123 lines
4.6 KiB
C
123 lines
4.6 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the LICENSE file, which can be found at the root of the source code *
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* distribution tree, or in https://www.hdfgroup.org/licenses. *
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* If you do not have access to either file, you may request a copy from *
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* help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Purpose: Private function for external.c and external_env.c
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*/
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#include "external_common.h"
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/*-------------------------------------------------------------------------
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* Function: reset_raw_data_files
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*
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* Purpose: Resets the data in the raw data files for tests that
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* perform dataset I/O on a set of files.
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*
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* Return: SUCCEED/FAIL
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*
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*-------------------------------------------------------------------------
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*/
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herr_t
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reset_raw_data_files(bool is_env)
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{
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int fd = 0; /* external file descriptor */
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size_t i, j; /* iterators */
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char filename[1024]; /* file name */
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int data[PART_SIZE]; /* raw data buffer */
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uint8_t *garbage = NULL; /* buffer of garbage data */
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size_t garbage_count; /* size of garbage buffer */
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size_t garbage_bytes; /* # of garbage bytes written to file */
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h5_posix_io_ret_t n; /* bytes of I/O - use our platform-independent POSIX
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* I/O return type to avoid warnings on platforms
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* where the return type isn't ssize_t (e.g., Windows)
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*/
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/* Set up garbage buffer */
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garbage_count = N_EXT_FILES * GARBAGE_PER_FILE;
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if (NULL == (garbage = (uint8_t *)calloc(garbage_count, sizeof(uint8_t))))
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goto error;
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for (i = 0; i < garbage_count; i++)
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garbage[i] = 0xFF;
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/* The *r files are pre-filled with data and are used to
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* verify that read operations work correctly.
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*/
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for (i = 0; i < N_EXT_FILES; i++) {
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/* Open file */
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if (is_env)
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snprintf(filename, sizeof(filename), "extern_env_%lur.raw", (unsigned long)i + 1);
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else
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snprintf(filename, sizeof(filename), "extern_%lur.raw", (unsigned long)i + 1);
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if ((fd = HDopen(filename, O_RDWR | O_CREAT | O_TRUNC, H5_POSIX_CREATE_MODE_RW)) < 0)
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goto error;
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/* Write garbage data to the file. This allows us to test the
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* the ability to set an offset in the raw data file.
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*/
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garbage_bytes = i * 10;
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n = HDwrite(fd, garbage, garbage_bytes);
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if (n < 0 || (size_t)n != garbage_bytes)
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goto error;
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/* Fill array with data */
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for (j = 0; j < PART_SIZE; j++) {
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data[j] = (int)(i * 25 + j);
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}
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/* Write raw data to the file. */
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n = HDwrite(fd, data, sizeof(data));
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if (n != sizeof(data))
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goto error;
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/* Close this file */
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HDclose(fd);
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}
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/* The *w files are only pre-filled with the garbage data and are
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* used to verify that write operations work correctly. The individual
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* tests fill in the actual data.
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*/
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for (i = 0; i < N_EXT_FILES; i++) {
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/* Open file */
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if (is_env)
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snprintf(filename, sizeof(filename), "extern_env_%luw.raw", (unsigned long)i + 1);
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else
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snprintf(filename, sizeof(filename), "extern_%luw.raw", (unsigned long)i + 1);
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if ((fd = HDopen(filename, O_RDWR | O_CREAT | O_TRUNC, H5_POSIX_CREATE_MODE_RW)) < 0)
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goto error;
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/* Write garbage data to the file. This allows us to test the
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* the ability to set an offset in the raw data file.
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*/
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garbage_bytes = i * 10;
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n = HDwrite(fd, garbage, garbage_bytes);
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if (n < 0 || (size_t)n != garbage_bytes)
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goto error;
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/* Close this file */
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HDclose(fd);
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}
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free(garbage);
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return SUCCEED;
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error:
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if (fd)
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HDclose(fd);
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if (garbage)
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free(garbage);
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return FAIL;
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}
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