mirror of
https://github.com/MariaDB/server.git
synced 2025-01-16 03:52:35 +01:00
42 lines
1.2 KiB
C++
42 lines
1.2 KiB
C++
/* Copyright (c) 2003, 2007 MySQL AB, 2009 Sun Microsystems, Inc.
|
|
Use is subject to license terms.
|
|
|
|
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 <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <my_dir.h>
|
|
|
|
|
|
class Transparent_file
|
|
{
|
|
File filedes;
|
|
uchar *buff; /* in-memory window to the file or mmaped area */
|
|
/* current window sizes */
|
|
my_off_t lower_bound;
|
|
my_off_t upper_bound;
|
|
uint buff_size;
|
|
|
|
public:
|
|
|
|
Transparent_file();
|
|
~Transparent_file();
|
|
|
|
void init_buff(File filedes_arg);
|
|
uchar *ptr();
|
|
my_off_t start();
|
|
my_off_t end();
|
|
char get_value (my_off_t offset);
|
|
my_off_t read_next();
|
|
};
|