mirror of
https://github.com/HDFGroup/hdf5.git
synced 2024-12-21 07:51:46 +08:00
ed7d456e51
Tested platform: Kagiso only since it is only a comment block change. If it works in one machine, it should work in all, I hope. Still need to check the parallel build on copper.
93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
|
|
* 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 files COPYING and Copyright.html. COPYING can be found at the root *
|
|
* of the source code distribution tree; Copyright.html can be found at the *
|
|
* root level of an installed copy of the electronic HDF5 document set and *
|
|
* is linked from the top-level documents page. It can also be found at *
|
|
* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
|
|
* access to either file, you may request a copy from help@hdfgroup.org. *
|
|
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
|
|
|
|
#include "H5PacketTable.h"
|
|
|
|
/*-------------------------------------------------------------------------
|
|
* Packet Table Fixed-Length Example
|
|
*
|
|
* Example program that creates a packet table and performs
|
|
* writes and reads.
|
|
*
|
|
*-------------------------------------------------------------------------
|
|
*/
|
|
|
|
int main(void)
|
|
{
|
|
herr_t err; /* Return value from function calls */
|
|
hid_t fileID; /* HDF5 identifier for file */
|
|
hsize_t count; /* Number of records in table */
|
|
int x; /* Temporary counter variable */
|
|
|
|
/* Buffers to hold data */
|
|
int readBuffer[5];
|
|
int writeBuffer[5];
|
|
|
|
/* Initialize buffers */
|
|
for(x=0; x<5; x++)
|
|
{
|
|
writeBuffer[x]=x;
|
|
readBuffer[x] = -1;
|
|
}
|
|
|
|
/* Create a new HDF5 file */
|
|
fileID = H5Fcreate("PTcppexampleFL.h5", H5F_ACC_TRUNC, H5P_DEFAULT, H5P_DEFAULT);
|
|
if(fileID <0)
|
|
fprintf(stderr, "Couldn't create file.\n");
|
|
|
|
/* Create a fixed-length packet table with compression level 5. */
|
|
FL_PacketTable ptable(fileID, "/examplePacketTable", H5T_NATIVE_INT, 100, 5);
|
|
if(! ptable.IsValid())
|
|
fprintf(stderr, "Unable to create packet table.");
|
|
|
|
/* Append five packets to the packet table, one at a time */
|
|
for(x=0; x<5; x++)
|
|
{
|
|
err = ptable.AppendPacket( &(writeBuffer[x]) );
|
|
if(err<0)
|
|
fprintf(stderr, "Error adding record.");
|
|
}
|
|
|
|
/* Get the number of packets in the packet table. This should be five. */
|
|
count = ptable.GetPacketCount(err);
|
|
if(err < 0)
|
|
fprintf(stderr, "Error getting packet count.");
|
|
|
|
printf("Number of packets in packet table after five appends: %d\n", count);
|
|
|
|
/* Initialize packet table's "current record" */
|
|
ptable.ResetIndex();
|
|
|
|
/* Iterate through packets, read each one back */
|
|
for(x=0; x<5; x++)
|
|
{
|
|
err = ptable.GetNextPacket( &(readBuffer[x]) );
|
|
if(err < 0)
|
|
fprintf(stderr, "Error reading record.");
|
|
|
|
printf("Packet %d's value is %d.\n", x, readBuffer[x]);
|
|
}
|
|
|
|
/* The packet table will close automatically when its object goes */
|
|
/* out of scope. */
|
|
|
|
err = H5Fclose(fileID);
|
|
if( err < 0 )
|
|
fprintf(stderr, "Failed to close file.\n");
|
|
|
|
return 0;
|
|
}
|
|
|