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/* vcons-input.c - Add input to a virtual console.
Copyright (C) 2002 Free Software Foundation, Inc.
Written by Marcus Brinkmann.
This file is part of the GNU Hurd.
The GNU Hurd is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2, or (at
your option) any later version.
The GNU Hurd 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
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA. */
#include <errno.h>
#include <unistd.h>
#include "cons.h"
#include "priv.h"
/* Enter SIZE bytes from the buffer BUF into the virtual console
VCONS. */
error_t
cons_vcons_input (vcons_t vcons, char *buf, size_t size)
{
int ret;
mutex_lock (&vcons->lock);
if (vcons->scrolling && _cons_jump_down_on_input)
_cons_vcons_scrollback (vcons, CONS_SCROLL_ABSOLUTE_LINE, 0);
do
{
ret = write (vcons->input, buf, size);
if (ret > 0)
{
size -= ret;
buf += ret;
}
}
while (size && (ret != -1 || errno == EINTR));
mutex_unlock (&vcons->lock);
return 0;
}
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