glibc/hurd/fd-write.c
Roland McGrath 8b2134db5e 1999-06-23 Roland McGrath <roland@baalperazim.frob.com>
* 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.
1999-06-22 23:56:08 +00:00

44 lines
1.4 KiB
C

/* _hurd_fd_write -- write to a file descriptor; handles job control et al.
Copyright (C) 1993,94,95,97,99 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 <hurd.h>
#include <hurd/fd.h>
error_t
_hurd_fd_write (struct hurd_fd *fd,
const void *buf, size_t *nbytes, off_t offset)
{
error_t err;
mach_msg_type_number_t wrote;
error_t writefd (io_t port)
{
return __io_write (port, buf, *nbytes, offset, &wrote);
}
err = HURD_FD_PORT_USE (fd, _hurd_ctty_output (port, ctty, writefd));
if (! err)
*nbytes = wrote;
return err;
}