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gdbm.lha
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gdbm-1.7.3
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gdbmclose.c
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C/C++ Source or Header
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1999-12-12
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/* gdbmclose.c - Close a previously opened dbm file. */
/* This file is part of GDBM, the GNU data base manager, by Philip A. Nelson.
Copyright (C) 1990, 1991, 1993 Free Software Foundation, Inc.
GDBM is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
GDBM is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with GDBM; see the file COPYING. If not, write to
the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
You may contact the author by:
e-mail: phil@cs.wwu.edu
us-mail: Philip A. Nelson
Computer Science Department
Western Washington University
Bellingham, WA 98226
*************************************************************************/
/* AIX demands this be the very first thing in the file. */
#if !defined(__GNUC__) && defined(_AIX)
#pragma alloca
#endif
/* include system configuration before all else. */
#include "autoconf.h"
#include "gdbmdefs.h"
/* Close the dbm file and free all memory associated with the file DBF.
Before freeing members of DBF, check and make sure that they were
allocated. */
void
gdbm_close (dbf)
gdbm_file_info *dbf;
{
register int index; /* For freeing the bucket cache. */
/* Make sure the database is all on disk. */
if (dbf->read_write == GDBM_WRITER)
fsync (dbf->desc);
/* Close the file and free all malloced memory. */
UNLOCK_FILE(dbf);
close (dbf->desc);
free (dbf->name);
if (dbf->dir != NULL) free (dbf->dir);
if (dbf->bucket_cache != NULL) {
for (index = 0; index < dbf->cache_size; index++) {
if (dbf->bucket_cache[index].ca_bucket != NULL)
free (dbf->bucket_cache[index].ca_bucket);
if (dbf->bucket_cache[index].ca_data.dptr != NULL)
free (dbf->bucket_cache[index].ca_data.dptr);
}
free (dbf->bucket_cache);
}
if ( dbf->header != NULL ) free (dbf->header);
free (dbf);
}