You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
99 lines
3.7 KiB
99 lines
3.7 KiB
// Copyright (c) 2014-2018, The Monero Project
|
|
// All rights reserved.
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without modification, are
|
|
// permitted provided that the following conditions are met:
|
|
//
|
|
// 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
// conditions and the following disclaimer.
|
|
//
|
|
// 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
// of conditions and the following disclaimer in the documentation and/or other
|
|
// materials provided with the distribution.
|
|
//
|
|
// 3. Neither the name of the copyright holder nor the names of its contributors may be
|
|
// used to endorse or promote products derived from this software without specific
|
|
// prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
|
|
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
|
// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
|
|
// THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
|
|
// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
|
|
// THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
#include "error.h"
|
|
|
|
#include <lmdb.h>
|
|
#include <string>
|
|
|
|
namespace {
|
|
struct category final : std::error_category
|
|
{
|
|
virtual const char* name() const noexcept override final
|
|
{
|
|
return "lmdb::error_category()";
|
|
}
|
|
|
|
virtual std::string message(int value) const override final
|
|
{
|
|
char const* const msg = mdb_strerror(value);
|
|
if (msg)
|
|
return msg;
|
|
return "Unknown lmdb::error_category() value";
|
|
}
|
|
|
|
virtual std::error_condition default_error_condition(int value) const noexcept override final
|
|
{
|
|
switch (value)
|
|
{
|
|
case MDB_KEYEXIST:
|
|
case MDB_NOTFOUND:
|
|
break; // map to nothing generic
|
|
case MDB_PAGE_NOTFOUND:
|
|
case MDB_CORRUPTED:
|
|
return std::errc::bad_address;
|
|
case MDB_PANIC:
|
|
case MDB_VERSION_MISMATCH:
|
|
case MDB_INVALID:
|
|
break; // map to nothing generic
|
|
case MDB_MAP_FULL:
|
|
return std::errc::no_buffer_space;
|
|
case MDB_DBS_FULL:
|
|
break; // map to nothing generic
|
|
case MDB_READERS_FULL:
|
|
case MDB_TLS_FULL:
|
|
return std::errc::no_lock_available;
|
|
case MDB_TXN_FULL:
|
|
case MDB_CURSOR_FULL:
|
|
case MDB_PAGE_FULL:
|
|
case MDB_MAP_RESIZED:
|
|
break; // map to nothing generic
|
|
case MDB_INCOMPATIBLE:
|
|
return std::errc::invalid_argument;
|
|
case MDB_BAD_RSLOT:
|
|
case MDB_BAD_TXN:
|
|
case MDB_BAD_VALSIZE:
|
|
case MDB_BAD_DBI:
|
|
return std::errc::invalid_argument;
|
|
default:
|
|
return std::error_condition{value, std::generic_category()};
|
|
}
|
|
return std::error_condition{value, *this};
|
|
}
|
|
};
|
|
}
|
|
|
|
namespace lmdb
|
|
{
|
|
std::error_category const& error_category() noexcept
|
|
{
|
|
static const category instance{};
|
|
return instance;
|
|
}
|
|
}
|
|
|