mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-15 17:40:06 +00:00
44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
|
/* Read block from given position in file without changing file pointer.
|
||
|
Hurd version.
|
||
|
Copyright (C) 2001 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>
|
||
|
|
||
|
ssize_t
|
||
|
__libc_pread64 (int fd, void *buf, size_t nbyte, off64_t offset)
|
||
|
{
|
||
|
/* XXX We don't really support large files on the Hurd. So if
|
||
|
OFFSET doesn't fit in an `off_t', we'll return `-1' and set
|
||
|
errno. EOVERFLOW probably isn't the right error value, but seems
|
||
|
appropriate here. */
|
||
|
if ((off_t) offset != offset)
|
||
|
{
|
||
|
__set_errno (EOVERFLOW);
|
||
|
return -1;
|
||
|
}
|
||
|
|
||
|
return __libc_pread (fd, buf, nbyte, offset);
|
||
|
}
|
||
|
|
||
|
#ifndef __libc_pread64
|
||
|
weak_alias (__libc_pread64, __pread64)
|
||
|
weak_alias (__libc_pread64, pread64)
|
||
|
#endif
|