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57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
/* mfree.c - memory-mapped database freelist scanner */
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/*
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* Copyright 2011 Howard Chu, Symas Corp.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted only as authorized by the OpenLDAP
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* Public License.
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*
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* A copy of this license is available in the file LICENSE in the
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* top-level directory of the distribution or, alternatively, at
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* <http://www.OpenLDAP.org/license.html>.
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*/
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#define _XOPEN_SOURCE 500 /* srandom(), random() */
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#include <stdio.h>
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#include <stdlib.h>
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#include <time.h>
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#include "lmdb.h"
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#include "midl.h"
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int main(int argc,char * argv[])
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{
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int rc;
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MDB_env *env;
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MDB_dbi dbi;
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MDB_val key, data;
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MDB_txn *txn;
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MDB_stat mst;
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MDB_cursor *cursor;
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MDB_ID i, j, *iptr;
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if (argc != 2) {
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fprintf(stderr, "usage: %s <pathname>\n", argv[0]);
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exit(1);
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}
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rc = mdb_env_create(&env);
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rc = mdb_env_open(env, argv[1], MDB_RDONLY, 0664);
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rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn);
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dbi = 0;
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rc = mdb_cursor_open(txn, dbi, &cursor);
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while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) {
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printf("key: %p %zu, data: %p\n",
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key.mv_data, *(MDB_ID *) key.mv_data,
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data.mv_data);
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iptr = data.mv_data;
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j = *iptr++;
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for (i=0; i<j; i++)
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printf(" %zu\n", iptr[i]);
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}
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mdb_cursor_close(cursor);
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mdb_txn_abort(txn);
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mdb_env_close(env);
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return 0;
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}
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