mariadb/mysys/my_dup.c

/* Copyright (C) 2000 MySQL AB

   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; either version 2 of the License, or
   (at your option) any later version.

   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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */

#define USES_TYPES
#include "mysys_priv.h"
#include "mysys_err.h"
#include <my_dir.h>
#include <errno.h>
#if defined(MSDOS) || defined(__WIN__) || defined(__EMX__)
#include <share.h>
#endif

	/* Open a file */

File my_dup(File file, myf MyFlags)
{
  File fd;
  const char *filename;
  DBUG_ENTER("my_dup");
  DBUG_PRINT("my",("file: %d  MyFlags: %d", MyFlags));
  fd = dup(file);
  filename= (((uint) file < my_file_limit) ?
	     my_file_info[(int) file].name : "Unknown");
  DBUG_RETURN(my_register_filename(fd, filename, FILE_BY_DUP,
				   EE_FILENOTFOUND, MyFlags));
} /* my_open */