1 /* Long-long seek operation.
2 Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
21 #include <sys/types.h>
24 #include <sys/syscall.h>
26 extern int __syscall__llseek (int fd
, off_t offset_hi
, off_t offset_lo
,
27 loff_t
*__unbounded result
, int whence
);
29 /* Seek to OFFSET on FD, starting from WHENCE. */
30 extern loff_t
__llseek (int fd
, loff_t offset
, int whence
);
33 __llseek (int fd
, loff_t offset
, int whence
)
37 return (loff_t
) (INLINE_SYSCALL (_llseek
, 5, fd
, (off_t
) (offset
>> 32),
38 (off_t
) (offset
& 0xffffffff),
39 __ptrvalue (&result
), whence
) ?: result
);
41 weak_alias (__llseek
, llseek
)
42 strong_alias (__llseek
, __libc_lseek64
)
43 strong_alias (__llseek
, __lseek64
)
44 weak_alias (__llseek
, lseek64
)
46 /* llseek doesn't have a prototype. Since the second parameter is a
47 64bit type, this results in wrong behaviour if no prototype is
49 link_warning (llseek
, "\
50 the `llseek' function may be dangerous; use `lseek64' instead.")