mirror of
https://github.com/HDFGroup/hdf5.git
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139 lines
2.9 KiB
C
139 lines
2.9 KiB
C
/*
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* Copyright (C) 1998 NCSA
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* All rights reserved.
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*
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* Programmer: Robb Matzke <matzke@llnl.gov>
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* Thursday, June 11, 1998
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*
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* Purpose: Create an hdf5 file with a 1d dataset of uint8.
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*/
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/* See H5private.h for how to include system headers */
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#include <hdf5.h>
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#ifdef H5_STDC_HEADERS
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# include <fcntl.h>
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# include <string.h>
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# include <stdlib.h>
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# include <stdio.h>
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#endif
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#ifdef H5_HAVE_UNISTD_H
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# include <sys/types.h>
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# include <unistd.h>
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#endif
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#ifdef H5_HAVE_SYS_STAT_H
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# include <sys/stat.h>
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#endif
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/*-------------------------------------------------------------------------
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* Function: usage
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*
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* Purpose: Print a usage message and exit with non-zero status
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*
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* Return: never returns
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*
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* Programmer: Robb Matzke
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* Thursday, June 11, 1998
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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static void
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usage (const char *argv0)
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{
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fprintf (stderr, "Usage: %s -f HDF5-FILE FILES...\n", argv0);
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exit (1);
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}
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/*-------------------------------------------------------------------------
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* Function: main
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*
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* Purpose:
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*
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* Return: Success: 0
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*
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* Failure: 1
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*
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* Programmer: Robb Matzke
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* Thursday, June 11, 1998
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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int
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main (int argc, char *argv[])
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{
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hid_t file, space=-1, dset=-1;
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const char *output_name, *dset_name;
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int argno, fd=-1;
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hsize_t size[1];
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struct stat sb;
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/* Parse arguments */
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if (argc<4) usage (argv[0]);
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if (strcmp (argv[1], "-f")) usage (argv[0]);
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output_name = argv[2];
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/* create the file */
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H5E_BEGIN_TRY {
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if ((file = H5Fcreate (output_name, H5F_ACC_EXCL,
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H5P_DEFAULT, H5P_DEFAULT))<0 &&
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(file = H5Fopen (output_name, H5F_ACC_RDWR, H5P_DEFAULT)<0)) {
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fprintf (stderr, "%s: unable to create or open hdf5 file\n",
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output_name);
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exit (1);
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}
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} H5E_END_TRY;
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/* process files from command-line */
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for (argno=3; argno<argc; argno++) {
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/* Open the file */
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if ((dset_name=strrchr (argv[argno], '/'))) dset_name++;
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else dset_name = argv[argno];
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fprintf (stderr, "%s\n", dset_name);
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if ((fd=open (argv[argno], O_RDONLY))<0) {
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perror (argv[argno]);
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goto next;
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}
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if (fstat (fd, &sb)<0) {
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perror (argv[argno]);
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goto next;
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}
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/* Data space */
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size[0] = sb.st_size;
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if ((space = H5Screate_simple (1, size, size))<0) goto next;
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/* Dataset */
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if ((dset=H5Dcreate (file, dset_name, H5T_NATIVE_SCHAR,
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space, H5P_DEFAULT))<0) goto next;
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next:
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if (fd>=0) close (fd);
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fd = -1;
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H5E_BEGIN_TRY {
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if (space>=0) {
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H5Sclose (space);
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space = -1;
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}
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if (dset>=0) {
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H5Dclose (dset);
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dset = -1;
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}
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} H5E_END_TRY;
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}
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/* Close the file */
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H5Fclose (file);
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return 0;
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}
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