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Merge pull request #28 from byrnHDF/master-missing-examples
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Update/add region reference examples for 1.12+
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lrknox authored Sep 5, 2023
2 parents a2e1ee8 + 3b8a8b0 commit 49f9a05
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20 changes: 20 additions & 0 deletions .github/workflows/clang-format-check.yml
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name: clang-format Check
on:
pull_request:
permissions:
contents: read
jobs:
formatting-check:
name: Formatting Check
runs-on: ubuntu-latest
if: "!contains(github.event.head_commit.message, 'skip-ci')"
steps:
- uses: actions/checkout@v3
- name: Run clang-format style check for C and Java code
uses: DoozyX/[email protected]
with:
source: '.'
extensions: 'c,h,cpp,hpp,java'
clangFormatVersion: 13
style: file
exclude: './config'
113 changes: 53 additions & 60 deletions C/H5D/16/h5ex_d_alloc.c
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Expand Up @@ -16,124 +16,117 @@
#include <stdio.h>
#include <stdlib.h>

#define FILE "h5ex_d_alloc.h5"
#define DATASET1 "DS1"
#define DATASET2 "DS2"
#define DIM0 4
#define DIM1 7
#define FILLVAL 99
#define FILE "h5ex_d_alloc.h5"
#define DATASET1 "DS1"
#define DATASET2 "DS2"
#define DIM0 4
#define DIM1 7
#define FILLVAL 99

int
main (void)
main(void)
{
hid_t file, space, dset1, dset2, dcpl;
/* Handles */
herr_t status;
H5D_space_status_t space_status;
hsize_t dims[2] = {DIM0, DIM1},
storage_size;
int wdata[DIM0][DIM1], /* Write buffer */
i, j;
hid_t file, space, dset1, dset2, dcpl;
/* Handles */
herr_t status;
H5D_space_status_t space_status;
hsize_t dims[2] = {DIM0, DIM1}, storage_size;
int wdata[DIM0][DIM1], /* Write buffer */
i, j;

/*
* Initialize data.
*/
for (i=0; i<DIM0; i++)
for (j=0; j<DIM1; j++)
for (i = 0; i < DIM0; i++)
for (j = 0; j < DIM1; j++)
wdata[i][j] = i * j - j;

/*
* Create a new file using the default properties.
*/
file = H5Fcreate (FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
file = H5Fcreate(FILE, H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);

/*
* Create dataspace. Setting maximum size to NULL sets the maximum
* size to be the current size.
*/
space = H5Screate_simple (2, dims, NULL);
space = H5Screate_simple(2, dims, NULL);

/*
* Create the dataset creation property list, and set the chunk
* size.
*/
dcpl = H5Pcreate (H5P_DATASET_CREATE);
dcpl = H5Pcreate(H5P_DATASET_CREATE);

/*
* Set the allocation time to "early". This way we can be sure
* that reading from the dataset immediately after creation will
* return the fill value.
*/
status = H5Pset_alloc_time (dcpl, H5D_ALLOC_TIME_EARLY);
status = H5Pset_alloc_time(dcpl, H5D_ALLOC_TIME_EARLY);

printf ("Creating datasets...\n");
printf ("%s has allocation time H5D_ALLOC_TIME_LATE\n", DATASET1);
printf ("%s has allocation time H5D_ALLOC_TIME_EARLY\n\n", DATASET2);
printf("Creating datasets...\n");
printf("%s has allocation time H5D_ALLOC_TIME_LATE\n", DATASET1);
printf("%s has allocation time H5D_ALLOC_TIME_EARLY\n\n", DATASET2);

/*
* Create the dataset using the dataset creation property list.
*/
dset1 = H5Dcreate (file, DATASET1, H5T_STD_I32LE, space, H5P_DEFAULT);
dset2 = H5Dcreate (file, DATASET2, H5T_STD_I32LE, space, dcpl);
dset1 = H5Dcreate(file, DATASET1, H5T_STD_I32LE, space, H5P_DEFAULT);
dset2 = H5Dcreate(file, DATASET2, H5T_STD_I32LE, space, dcpl);

/*
* Retrieve and print space status and storage size for dset1.
*/
status = H5Dget_space_status (dset1, &space_status);
storage_size = H5Dget_storage_size (dset1);
printf ("Space for %s has%sbeen allocated.\n", DATASET1,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf ("Storage size for %s is: %ld bytes.\n", DATASET1,
(long) storage_size);
status = H5Dget_space_status(dset1, &space_status);
storage_size = H5Dget_storage_size(dset1);
printf("Space for %s has%sbeen allocated.\n", DATASET1,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf("Storage size for %s is: %ld bytes.\n", DATASET1, (long)storage_size);

/*
* Retrieve and print space status and storage size for dset2.
*/
status = H5Dget_space_status (dset2, &space_status);
storage_size = H5Dget_storage_size (dset2);
printf ("Space for %s has%sbeen allocated.\n", DATASET2,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf ("Storage size for %s is: %ld bytes.\n", DATASET2,
(long) storage_size);
status = H5Dget_space_status(dset2, &space_status);
storage_size = H5Dget_storage_size(dset2);
printf("Space for %s has%sbeen allocated.\n", DATASET2,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf("Storage size for %s is: %ld bytes.\n", DATASET2, (long)storage_size);

printf ("\nWriting data...\n\n");
printf("\nWriting data...\n\n");

/*
* Write the data to the datasets.
*/
status = H5Dwrite (dset1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
wdata[0]);
status = H5Dwrite (dset2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT,
wdata[0]);
status = H5Dwrite(dset1, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata[0]);
status = H5Dwrite(dset2, H5T_NATIVE_INT, H5S_ALL, H5S_ALL, H5P_DEFAULT, wdata[0]);

/*
* Retrieve and print space status and storage size for dset1.
*/
status = H5Dget_space_status (dset1, &space_status);
storage_size = H5Dget_storage_size (dset1);
printf ("Space for %s has%sbeen allocated.\n", DATASET1,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf ("Storage size for %s is: %ld bytes.\n", DATASET1,
(long) storage_size);
status = H5Dget_space_status(dset1, &space_status);
storage_size = H5Dget_storage_size(dset1);
printf("Space for %s has%sbeen allocated.\n", DATASET1,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf("Storage size for %s is: %ld bytes.\n", DATASET1, (long)storage_size);

/*
* Retrieve and print space status and storage size for dset2.
*/
status = H5Dget_space_status (dset2, &space_status);
storage_size = H5Dget_storage_size (dset2);
printf ("Space for %s has%sbeen allocated.\n", DATASET2,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf ("Storage size for %s is: %ld bytes.\n", DATASET2,
(long) storage_size);
status = H5Dget_space_status(dset2, &space_status);
storage_size = H5Dget_storage_size(dset2);
printf("Space for %s has%sbeen allocated.\n", DATASET2,
space_status == H5D_SPACE_STATUS_ALLOCATED ? " " : " not ");
printf("Storage size for %s is: %ld bytes.\n", DATASET2, (long)storage_size);

/*
* Close and release resources.
*/
status = H5Pclose (dcpl);
status = H5Dclose (dset1);
status = H5Dclose (dset2);
status = H5Sclose (space);
status = H5Fclose (file);
status = H5Pclose(dcpl);
status = H5Dclose(dset1);
status = H5Dclose(dset2);
status = H5Sclose(space);
status = H5Fclose(file);

return 0;
}
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