Files
src_old/examples/H5/attach_file.c
T

55 lines
1.5 KiB
C

/*
Copyright (c) 2006-2015, The Regents of the University of California,
through Lawrence Berkeley National Laboratory (subject to receipt of any
required approvals from the U.S. Dept. of Energy) and the Paul Scherrer
Institut (Switzerland). All rights reserved.
License: see file COPYING in top level of source distribution.
*/
#include <H5hut.h>
#include <fcntl.h>
#include <stdlib.h>
#include <sys/stat.h>
#define FNAME "attach_file.h5"
#define ATTACHMENT "attach_file"
#if !defined (PARALLEL_IO)
#define MPI_Init(argc, argv)
#define MPI_Comm_size(comm, nprocs) { *nprocs = 1; }
#define MPI_Comm_rank(comm, myproc) { *myproc = 0; }
#define MPI_Finalize()
#define MPI_COMM_WORLD (0)
#endif
int
main (
int argc,
char* argv[]
) {
MPI_Init (&argc, &argv);
H5SetErrorHandler (H5AbortErrorhandler);
H5SetVerbosityLevel (255);
h5_file_t f = H5OpenFile (FNAME, H5_O_WRONLY, H5_PROP_DEFAULT);
H5AddAttachment (f, ATTACHMENT);
H5CloseFile (f);
f = H5OpenFile (FNAME, H5_O_RDONLY, H5_PROP_DEFAULT);
h5_ssize_t num_attachments = H5GetNumAttachments (f);
printf ("Number of attachments: %lld\n", (long long int)num_attachments);
int i;
char fname[FILENAME_MAX];
h5_size_t fsize;
for (i=0; i < num_attachments; i++) {
H5GetAttachmentInfoByIdx (f, i, fname, sizeof(fname), &fsize);
printf (
"Attachment %d: Name: %s, Size: %llu\n",
i, fname, (long long unsigned)fsize);
H5GetAttachment (f, fname);
H5DeleteAttachment (f, fname);
}
H5CloseFile (f);
return 0;
}