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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/*
This program reads binary output from h5dump (-b option).
To use change the following 3 symbols accordingly.
For example, to read 2 elements of a float type , define
#define NELMTS 2
#define TYPE float
#define FORMAT "%f "
*/
#define NELMTS 6
#define TYPE int
#define FORMAT "%d "
/*-------------------------------------------------------------------------
* Function: usage
*
* Purpose: Prints a usage message on stderr and then returns.
*
* Return: void
*
* Programmer: Pedro Vicente Nunes
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
static void
usage(void)
{
fprintf(stderr, "usage: binread FILE_NAME\n");
}
/*-------------------------------------------------------------------------
* Function: main
*
* Purpose: main program.
*
*-------------------------------------------------------------------------
*/
int
main(int argc, char *argv[])
{
FILE *stream;
size_t numread;
TYPE buf[NELMTS];
size_t i, nelmts = NELMTS;
char *fname = NULL;
if (argc != 2) {
usage();
exit(1);
}
fname = strdup(argv[1]);
if ((stream = fopen(fname, "rb")) != NULL) {
numread = fread(buf, sizeof(TYPE), nelmts, stream);
printf("Number of items read = %llu\n", (unsigned long long)numread);
for (i = 0; i < nelmts; i++) {
printf(FORMAT, buf[i]);
}
printf("\n");
fclose(stream);
}
else
printf("File %s could not be opened\n", fname);
free(fname);
return 0;
}
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