39 lines
1.3 KiB
C
39 lines
1.3 KiB
C
/* Read block from given position in file without changing file pointer.
|
|
Hurd version.
|
|
Copyright (C) 2001,02 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, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <hurd/fd.h>
|
|
|
|
ssize_t
|
|
__libc_pread64 (int fd, void *buf, size_t nbytes, off64_t offset)
|
|
{
|
|
error_t err;
|
|
if (offset < 0)
|
|
err = EINVAL;
|
|
else
|
|
err = HURD_FD_USE (fd, _hurd_fd_read (descriptor, buf, &nbytes, offset));
|
|
return err ? __hurd_dfail (fd, err) : nbytes;
|
|
}
|
|
|
|
#ifndef __libc_pread64
|
|
weak_alias (__libc_pread64, __pread64)
|
|
weak_alias (__libc_pread64, pread64)
|
|
#endif
|