MySQL 5.6.14 Source Code Document
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my_div.c
1 /* Copyright (C) 2000 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 }