release/src/router/mysql/mysys/my_dup.c

   1 /* Copyright (c) 2000, 2001, 2004, 2006, 2007 MySQL AB
   2
   3    This program is free software; you can redistribute it and/or modify
   4    it under the terms of the GNU General Public License as published by
   5    the Free Software Foundation; version 2 of the License.
   6
   7    This program is distributed in the hope that it will be useful,
   8    but WITHOUT ANY WARRANTY; without even the implied warranty of
   9    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10    GNU General Public License for more details.
  11
  12    You should have received a copy of the GNU General Public License
  13    along with this program; if not, write to the Free Software
  14    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA */
  15
  16 #include "mysys_priv.h"
  17 #include "mysys_err.h"
  18 #include <my_dir.h>
  19 #include <errno.h>
  20 #if defined(__WIN__)
  21 #include <share.h>
  22 #endif
  23
  24         /* Open a file */
  25
  26 File my_dup(File file, myf MyFlags)
  27 {
  28   File fd;
  29   const char *filename;
  30   DBUG_ENTER("my_dup");
  31   DBUG_PRINT("my",("file: %d  MyFlags: %d", file, MyFlags));
  32   fd = dup(file);
  33   filename= (((uint) file < my_file_limit) ?
  34              my_file_info[(int) file].name : "Unknown");
  35   DBUG_RETURN(my_register_filename(fd, filename, FILE_BY_DUP,
  36                                    EE_FILENOTFOUND, MyFlags));
  37 } /* my_open */