mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-24 11:41:07 +00:00
17e0b92045
* sysdeps/unix/sysv/linux/llseek.c: Formulate warning message stronger. * sysdeps/posix/sysconf.c: Remove _POSIX2_EQUIV_CLASS_MAX handling.
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* Long-long seek operation.
|
|
Copyright (C) 1996, 1997, 1998, 1999, 2000 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 Library General Public License as
|
|
published by the Free Software Foundation; either version 2 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
|
|
Library General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Library General Public
|
|
License along with the GNU C Library; see the file COPYING.LIB. 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>
|
|
|
|
extern int __syscall__llseek (int fd, off_t offset_hi, off_t offset_lo,
|
|
loff_t *result, int whence);
|
|
|
|
/* Seek to OFFSET on FD, starting from WHENCE. */
|
|
loff_t
|
|
__llseek (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);
|
|
}
|
|
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.")
|