From 7731832751ab9f3c6ddeb66f186d3d7fa1934a6d Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sat, 27 Apr 2024 13:11:40 +0200 Subject: Adding upstream version 2.4.57+dfsg. Signed-off-by: Daniel Baumann --- libraries/liblmdb/sample-mdb.txt | 62 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 62 insertions(+) create mode 100644 libraries/liblmdb/sample-mdb.txt (limited to 'libraries/liblmdb/sample-mdb.txt') diff --git a/libraries/liblmdb/sample-mdb.txt b/libraries/liblmdb/sample-mdb.txt new file mode 100644 index 0000000..e54a847 --- /dev/null +++ b/libraries/liblmdb/sample-mdb.txt @@ -0,0 +1,62 @@ +/* sample-mdb.txt - MDB toy/sample + * + * Do a line-by-line comparison of this and sample-bdb.txt + */ +/* + * Copyright 2012-2020 Howard Chu, Symas Corp. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted only as authorized by the OpenLDAP + * Public License. + * + * A copy of this license is available in the file LICENSE in the + * top-level directory of the distribution or, alternatively, at + * . + */ +#include +#include "lmdb.h" + +int main(int argc,char * argv[]) +{ + int rc; + MDB_env *env; + MDB_dbi dbi; + MDB_val key, data; + MDB_txn *txn; + MDB_cursor *cursor; + char sval[32]; + + /* Note: Most error checking omitted for simplicity */ + + rc = mdb_env_create(&env); + rc = mdb_env_open(env, "./testdb", 0, 0664); + rc = mdb_txn_begin(env, NULL, 0, &txn); + rc = mdb_dbi_open(txn, NULL, 0, &dbi); + + key.mv_size = sizeof(int); + key.mv_data = sval; + data.mv_size = sizeof(sval); + data.mv_data = sval; + + sprintf(sval, "%03x %d foo bar", 32, 3141592); + rc = mdb_put(txn, dbi, &key, &data, 0); + rc = mdb_txn_commit(txn); + if (rc) { + fprintf(stderr, "mdb_txn_commit: (%d) %s\n", rc, mdb_strerror(rc)); + goto leave; + } + rc = mdb_txn_begin(env, NULL, MDB_RDONLY, &txn); + rc = mdb_cursor_open(txn, dbi, &cursor); + while ((rc = mdb_cursor_get(cursor, &key, &data, MDB_NEXT)) == 0) { + printf("key: %p %.*s, data: %p %.*s\n", + key.mv_data, (int) key.mv_size, (char *) key.mv_data, + data.mv_data, (int) data.mv_size, (char *) data.mv_data); + } + mdb_cursor_close(cursor); + mdb_txn_abort(txn); +leave: + mdb_dbi_close(env, dbi); + mdb_env_close(env); + return 0; +} -- cgit v1.2.3