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86 lines
1.6 KiB
C
86 lines
1.6 KiB
C
/*-
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* See the file LICENSE for redistribution information.
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*
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* Copyright (c) 1998-2002
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* Sleepycat Software. All rights reserved.
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*/
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#include "db_config.h"
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#ifndef lint
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static const char revid[] = "$Id: bt_reclaim.c,v 11.11 2002/03/29 20:46:26 bostic Exp $";
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#endif /* not lint */
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#ifndef NO_SYSTEM_INCLUDES
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#include <sys/types.h>
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#include <string.h>
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#endif
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#include "db_int.h"
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#include "dbinc/db_page.h"
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#include "dbinc/btree.h"
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/*
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* __bam_reclaim --
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* Free a database.
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*
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* PUBLIC: int __bam_reclaim __P((DB *, DB_TXN *));
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*/
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int
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__bam_reclaim(dbp, txn)
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DB *dbp;
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DB_TXN *txn;
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{
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DBC *dbc;
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int ret, t_ret;
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/* Acquire a cursor. */
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if ((ret = dbp->cursor(dbp, txn, &dbc, 0)) != 0)
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return (ret);
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/* Walk the tree, freeing pages. */
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ret = __bam_traverse(dbc,
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DB_LOCK_WRITE, dbc->internal->root, __db_reclaim_callback, dbc);
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/* Discard the cursor. */
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if ((t_ret = dbc->c_close(dbc)) != 0 && ret == 0)
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ret = t_ret;
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return (ret);
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}
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/*
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* __bam_truncate --
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* Truncate a database.
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*
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* PUBLIC: int __bam_truncate __P((DB *, DB_TXN *, u_int32_t *));
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*/
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int
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__bam_truncate(dbp, txn, countp)
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DB *dbp;
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DB_TXN *txn;
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u_int32_t *countp;
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{
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DBC *dbc;
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db_trunc_param trunc;
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int ret, t_ret;
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/* Acquire a cursor. */
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if ((ret = dbp->cursor(dbp, txn, &dbc, 0)) != 0)
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return (ret);
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trunc.count = 0;
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trunc.dbc = dbc;
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/* Walk the tree, freeing pages. */
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ret = __bam_traverse(dbc,
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DB_LOCK_WRITE, dbc->internal->root, __db_truncate_callback, &trunc);
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/* Discard the cursor. */
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if ((t_ret = dbc->c_close(dbc)) != 0 && ret == 0)
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ret = t_ret;
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*countp = trunc.count;
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return (ret);
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}
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