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/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2019 Jan (janneke) Nieuwenhuizen <janneke@gnu.org>
*
* This file is part of GNU Mes.
*
* GNU Mes 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 3 of the License, or (at
* your option) any later version.
*
* GNU Mes 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 GNU Mes. If not, see <http://www.gnu.org/licenses/>.
*/
/** Commentary:
Inspired by implementation in GNU C Library:
__hurd_file_name_lookup, __hurd_file_name_lookup_retry
Copyright (C) 1992-2016 Free Software Foundation, Inc.
*/
#include <gnu/hurd.h>
#include <gnu/hurd-types.h>
#include <gnu/syscall.h>
#include <mach/mach-init.h>
int
_open3 (char const *file_name, int flags, int mode)
{
mach_port_t port;
int do_retry;
char retry_name[1024];
int start_dir = (file_name[0] == '/') ? INIT_PORT_CRDIR : INIT_PORT_CWDIR;
mach_port_t start_port = _hurd_startup_data.portarray[start_dir];
while (file_name[0] == '/')
file_name++;
error_t e = __dir_lookup (start_port, file_name, flags, mode, &do_retry, retry_name, &port);
if (e)
return -1;
int fd = _hurd_dtable_count++;
_hurd_dtable[fd] = port;
return fd;
}
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