1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
/* Get file-specific information about a descriptor. Linux/Alpha version.
Copyright (C) 1991,95,96,98,99,2000,2001,2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <unistd.h>
#include <sys/statfs.h>
static long int linux_fpathconf (int fd, int name);
/* Define this first, so it can be inlined. */
#define __fpathconf static linux_fpathconf
#include <sysdeps/unix/sysv/linux/fpathconf.c>
/* Get file-specific information about FD. */
long int
__pathconf (int fd, int name)
{
if (name == _PC_FILESIZEBITS)
{
/* Test whether this is on a ext2 or UFS filesystem which
support large files. */
struct statfs fs;
if (__fstatfs (fd, &fs) < 0
|| (fs.f_type != EXT2_SUPER_MAGIC
&& fs.f_type != UFS_MAGIC
&& fs.f_type != UFS_CIGAM))
return 32;
/* This filesystem supported files >2GB. */
return 64;
}
return linux_fpathconf (fd, name);
}
|