1 /* vi: set sw=4 ts=4: */
3 * llseek/lseek64 syscall for uClibc
5 * Copyright (C) 2002 by Erik Andersen <andersen@codepoet.org>
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU Library General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
12 * This program is distributed in the hope that it will be useful, but WITHOUT
13 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
17 * You should have received a copy of the GNU Library General Public License
18 * along with this program; if not, write to the Free Software Foundation,
19 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 #define _LARGEFILE64_SOURCE
27 /* We absolutely do _NOT_ want interfaces silently
28 * renamed under us or very bad things will happen... */
29 #ifdef __USE_FILE_OFFSET64
30 # undef __USE_FILE_OFFSET64
33 #include <sys/types.h>
34 #include <sys/syscall.h>
37 #if defined __NR__llseek && defined __UCLIBC_HAS_LFS__
39 #ifndef INLINE_SYSCALL
40 #define INLINE_SYSCALL(name, nr, args...) __syscall_llseek (args)
41 #define __NR___syscall_llseek __NR__llseek
42 static inline _syscall5(int, __syscall_llseek, int, fd, off_t, offset_hi,
43 off_t, offset_lo, loff_t *, result, int, whence);
46 loff_t attribute_hidden __lseek64(int fd, loff_t offset, int whence)
49 return(loff_t)(INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
50 (off_t) (offset & 0xffffffff), &result, whence) ?: result);
53 extern __off_t __lseek(int fildes, off_t offset, int whence) attribute_hidden;
54 loff_t __lseek64(int fd, loff_t offset, int whence)
56 return(loff_t)(__lseek(fd, (off_t) (offset & 0xffffffff), whence));
59 strong_alias(__lseek64,lseek64)
60 //strong_alias(__lseek64,_llseek)
61 //strong_alias(__lseek64,llseek)
62 weak_alias(__lseek64,__libc_lseek64)