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

   1 /* Copyright (c) 2000, 2002, 2004, 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
  18 /*
  19   Get filename of file
  20
  21   SYNOPSIS
  22     my_filename()
  23       fd        File descriptor
  24 */
  25
  26 char * my_filename(File fd)
  27 {
  28   DBUG_ENTER("my_filename");
  29   if ((uint) fd >= (uint) my_file_limit)
  30     DBUG_RETURN((char*) "UNKNOWN");
  31   if (fd >= 0 && my_file_info[fd].type != UNOPEN)
  32   {
  33     DBUG_RETURN(my_file_info[fd].name);
  34   }
  35   else
  36     DBUG_RETURN((char*) "UNOPENED");    /* Debug message */
  37 }