8b2134db5e
* sysdeps/mach/hurd/read.c (__libc_read): Just call __pread with OFFSET argument of (off_t) -1. * sysdeps/mach/hurd/write.c (__libc_write): Just call __pwrite with OFFSET argument of (off_t) -1. * sysdeps/mach/hurd/pwrite.c: New file. * sysdeps/mach/hurd/pread.c: New file. * hurd/fd-read.c (_hurd_fd_read): Take new parameter OFFSET and pass it in the RPC instead of always -1. * hurd/fd-write.c (_hurd_fd_write): Likewise. * hurd/hurd/fd.h: Update decls.
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
/* Read block from given position in file without changing file pointer.
|
|
Hurd version.
|
|
Copyright (C) 1999 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
|
|
__pread (int fd, void *buf, size_t nbyte, off_t offset)
|
|
{
|
|
error_t err = HURD_FD_USE (fd, _hurd_fd_read (descriptor,
|
|
buf, &nbytes, offset));
|
|
return err ? __hurd_dfail (fd, err) : nbytes;
|
|
}
|
|
weak_alias (__pread, pread)
|