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
|
/* Long-long seek operation.
Copyright (C) 1996-2000,2002,2003 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 <errno.h>
#include <sys/types.h>
#include <sysdep.h>
#include <sys/syscall.h>
/* Seek to OFFSET on FD, starting from WHENCE. */
extern loff_t __llseek (int fd, loff_t offset, int whence);
loff_t
__llseek (int fd, loff_t offset, int whence)
{
loff_t retval;
return (loff_t) (INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff),
__ptrvalue (&retval), whence) ?: retval);
}
weak_alias (__llseek, llseek)
strong_alias (__llseek, __libc_lseek64)
strong_alias (__llseek, __lseek64)
weak_alias (__llseek, lseek64)
/* llseek doesn't have a prototype. Since the second parameter is a
64bit type, this results in wrong behaviour if no prototype is
provided. */
link_warning (llseek, "\
the `llseek' function may be dangerous; use `lseek64' instead.")
|
