Back to index

glibc  2.9
fpathconf.c
Go to the documentation of this file.
00001 /* Get file-specific information about descriptor FD.  Linux version.
00002    Copyright (C) 1991,1995,1996,1998-2003,2008 Free Software Foundation, Inc.
00003    This file is part of the GNU C Library.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include "pathconf.h"
00021 
00022 static long int posix_fpathconf (int fd, int name);
00023 
00024 /* Define this first, so it can be inlined.  */
00025 #define __fpathconf static posix_fpathconf
00026 #include <sysdeps/posix/fpathconf.c>
00027 
00028 
00029 /* Get file-specific information about descriptor FD.  */
00030 long int
00031 __fpathconf (fd, name)
00032      int fd;
00033      int name;
00034 {
00035   struct statfs fsbuf;
00036 
00037   switch (name)
00038     {
00039     case _PC_LINK_MAX:
00040       return __statfs_link_max (__fstatfs (fd, &fsbuf), &fsbuf);
00041 
00042     case _PC_FILESIZEBITS:
00043       return __statfs_filesize_max (__fstatfs (fd, &fsbuf), &fsbuf);
00044 
00045     case _PC_2_SYMLINKS:
00046       return __statfs_symlinks (__fstatfs (fd, &fsbuf), &fsbuf);
00047 
00048     case _PC_CHOWN_RESTRICTED:
00049       return __statfs_chown_restricted (__fstatfs (fd, &fsbuf), &fsbuf);
00050 
00051     default:
00052       return posix_fpathconf (fd, name);
00053     }
00054 }