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/*
* Copyright (C) 1998 NCSA
* All rights reserved.
*
* Programmer: Robb Matzke <matzke@llnl.gov>
* Thursday, June 11, 1998
*
* Purpose: Create an hdf5 file with a 1d dataset of uint8.
*/
#include <fcntl.h>
#include <hdf5.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <sys/stat.h>
#include <unistd.h>
/*-------------------------------------------------------------------------
* Function: usage
*
* Purpose: Print a usage message and exit with non-zero status
*
* Return: never returns
*
* Programmer: Robb Matzke
* Thursday, June 11, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
usage (const char *argv0)
{
fprintf (stderr, "Usage: %s -f HDF5-FILE FILES...\n", argv0);
exit (1);
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose:
*
* Return: Success: 0
*
* Failure: 1
*
* Programmer: Robb Matzke
* Thursday, June 11, 1998
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
int
main (int argc, char *argv[])
{
hid_t file, space=-1, dset=-1;
const char *output_name, *dset_name;
int argno, fd=-1;
hsize_t size[1];
struct stat sb;
/* Parse arguments */
if (argc<4) usage (argv[0]);
if (strcmp (argv[1], "-f")) usage (argv[0]);
output_name = argv[2];
/* create the file */
H5E_BEGIN_TRY {
if ((file = H5Fcreate (output_name, H5F_ACC_EXCL,
H5P_DEFAULT, H5P_DEFAULT))<0 &&
(file = H5Fopen (output_name, H5F_ACC_RDWR, H5P_DEFAULT)<0)) {
fprintf (stderr, "%s: unable to create or open hdf5 file\n",
output_name);
exit (1);
}
} H5E_END_TRY;
/* process files from command-line */
for (argno=3; argno<argc; argno++) {
/* Open the file */
if ((dset_name=strrchr (argv[argno], '/'))) dset_name++;
else dset_name = argv[argno];
fprintf (stderr, "%s\n", dset_name);
if ((fd=open (argv[argno], O_RDONLY))<0) {
perror (argv[argno]);
goto next;
}
if (fstat (fd, &sb)<0) {
perror (argv[argno]);
goto next;
}
/* Data space */
size[0] = sb.st_size;
if ((space = H5Screate_simple (1, size, size))<0) goto next;
/* Dataset */
if ((dset=H5Dcreate (file, dset_name, H5T_NATIVE_CHAR,
space, H5P_DEFAULT))<0) goto next;
next:
if (fd>=0) close (fd);
fd = -1;
H5E_BEGIN_TRY {
if (space>=0) {
H5Sclose (space);
space = -1;
}
if (dset>=0) {
H5Dclose (dset);
dset = -1;
}
} H5E_END_TRY;
}
/* Close the file */
H5Fclose (file);
return 0;
}
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