sortix--sortix/libc/fsmarshall/fsm_bootstraprootfd.cpp

/*******************************************************************************

    Copyright(C) Jonas 'Sortie' Termansen 2012.

    This file is part of the Sortix C Library.

    The Sortix 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 3 of the License, or (at your
    option) any later version.

    The Sortix 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 Sortix C Library. If not, see <http://www.gnu.org/licenses/>.

    fsmarshall/fsm_bootstraprootfd.cpp
    Creates a root file descriptor associated with a user-space filesystem.

*******************************************************************************/

#include <fcntl.h>
#include <stdio.h>
#include <stdint.h>
#include <string.h>

#include <fsmarshall.h>

extern "C" int fsm_bootstraprootfd(int server, ino_t ino, int open_flags,
                                   mode_t mode)
{
	char name[sizeof(uintmax_t)*3];
	snprintf(name, sizeof(name), "%ju", (uintmax_t) ino);
	return openat(server, name, open_flags, mode);
}