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/*-------------------------------------------------------------------------
* Copyright (C) 1997 National Center for Supercomputing Applications.
* All rights reserved.
*
*-------------------------------------------------------------------------
*
* Created: H5MF.c
* Jul 11 1997
* Robb Matzke <robb@maya.nuance.com>
*
* Purpose: File memory management functions.
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
#include <assert.h>
#include "hdf5.h"
#include "H5Fprivate.h"
#include "H5MFprivate.h"
/*-------------------------------------------------------------------------
* Function: H5MF_alloc
*
* Purpose: Allocate at least SIZE bytes of file memory and return
* the address where that contiguous chunk of file memory
* exists.
*
* Return: Success: File address of new chunk.
*
* Failure: -1
*
* Programmer: Robb Matzke
* robb@maya.nuance.com
* Jul 11 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
haddr_t
H5MF_alloc (hdf5_file_t *f, size_t size)
{
haddr_t addr;
assert (f);
assert (f->logical_len>0);
assert (size>0);
addr = f->logical_len;
f->logical_len += size;
return addr;
}
/*-------------------------------------------------------------------------
* Function: H5MF_free
*
* Purpose: Frees part of a file, making that part of the file
* available for reuse.
*
* Note: This version of the function doesn't do anything.
*
* Return: Success: 0
*
* Failure: -1
*
* Programmer: Robb Matzke
* robb@maya.nuance.com
* Jul 17 1997
*
* Modifications:
*
*-------------------------------------------------------------------------
*/
herr_t
H5MF_free (hdf5_file_t *f, haddr_t addr, size_t size)
{
if (addr<=0 || 0==size) return 0;
fprintf (stderr, "H5MF_free: lost %lu bytes of file storage\n",
(unsigned long)size);
return 0;
}
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