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/* vi: set sw=4 ts=4: */
/*
* llseek/lseek64 syscall for uClibc
*
* Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org>
*
* Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
*/
#define _GNU_SOURCE
#define _LARGEFILE64_SOURCE
#include <features.h>
#undef __OPTIMIZE__
/* We absolutely do _NOT_ want interfaces silently
* renamed under us or very bad things will happen... */
#ifdef __USE_FILE_OFFSET64
# undef __USE_FILE_OFFSET64
#endif
#include <errno.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/syscall.h>
#if defined __NR__llseek && defined __UCLIBC_HAS_LFS__
# ifndef INLINE_SYSCALL
# define INLINE_SYSCALL(name, nr, args...) __syscall_llseek (args)
# define __NR___syscall_llseek __NR__llseek
static inline _syscall5(int, __syscall_llseek, int, fd, off_t, offset_hi,
off_t, offset_lo, loff_t *, result, int, whence);
# endif
loff_t __libc_lseek64(int fd, loff_t offset, int whence)
{
loff_t result;
return(loff_t)(INLINE_SYSCALL (_llseek, 5, fd, (off_t) (offset >> 32),
(off_t) (offset & 0xffffffff), &result, whence) ?: result);
}
#else
extern __typeof(lseek) __libc_lseek;
libc_hidden_proto(__libc_lseek)
loff_t __libc_lseek64(int fd, loff_t offset, int whence)
{
return(loff_t)(__libc_lseek(fd, (off_t) (offset), whence));
}
#endif
libc_hidden_proto(lseek64)
strong_alias(__libc_lseek64,lseek64)
libc_hidden_def(lseek64)
//strong_alias(__libc_lseek64,_llseek)
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