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 Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; 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>