mysql5/mysql-5.7.27/client/dump/file_writer.cc

52 lines
1.7 KiB
C++

/*
Copyright (c) 2015, Oracle and/or its affiliates. All rights reserved.
This program 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; version 2 of the License.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "file_writer.h"
using namespace Mysql::Tools::Dump;
void File_writer::append(const std::string& data_to_append)
{
fwrite(data_to_append.c_str(), 1, data_to_append.size(), m_file);
// Check for I/O errors.
if (ferror(m_file) != 0)
{
this->pass_message(Mysql::Tools::Base::Message_data(ferror(m_file),
"Error occurred while writing to output.",
Mysql::Tools::Base::Message_type_error));
}
}
File_writer::~File_writer()
{
// Check for I/O errors and close file.
if (ferror(m_file) != 0 || fclose(m_file) != 0)
{
this->pass_message(Mysql::Tools::Base::Message_data(ferror(m_file),
"Error occurred while finishing writing to output.",
Mysql::Tools::Base::Message_type_error));
}
}
File_writer::File_writer(
Mysql::I_callable<bool, const Mysql::Tools::Base::Message_data&>*
message_handler, Simple_id_generator* object_id_generator,
const std::string& file_name)
: Abstract_chain_element(message_handler, object_id_generator),
m_file(fopen(file_name.c_str(), "wb"))
{}