glibc/sysdeps/generic/lseek64.c

50 lines
1.4 KiB
C

/* Copyright (C) 1991,95,96,97,98,2000 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 <unistd.h>
#include <sys/types.h>
/* Seek to OFFSET on FD, starting from WHENCE. */
off64_t
__libc_lseek64 (int fd, off64_t offset, int whence)
{
if (fd < 0)
{
__set_errno (EBADF);
return -1;
}
switch (whence)
{
case SEEK_SET:
case SEEK_CUR:
case SEEK_END:
break;
default:
__set_errno (EINVAL);
return -1;
}
__set_errno (ENOSYS);
return -1;
}
weak_alias (__libc_lseek64, __lseek64)
weak_alias (__libc_lseek64, lseek64)
stub_warning (lseek64)
#include <stub-tag.h>