mes/lib/linux/open.c
Jan Nieuwenhuizen ad46264879
mescc: Mes C Library: Explode linux/libc.c.
* lib/linux/access.c: New file.
* lib/linux/brk.c: New file.
* lib/linux/chmod.c: New file.
* lib/linux/dup.c: New file.
* lib/linux/dup2.c: New file.
* lib/linux/execve.c: New file.
* lib/linux/fork.c: New file.
* lib/linux/fsync.c: New file.
* lib/linux/getcwd.c: New file.
* lib/linux/ioctl.c: New file.
* lib/linux/libc.c: New file.
* lib/linux/open.c: New file.
* lib/linux/read.c: New file.
* lib/linux/unlink.c: New file.
* lib/linux/waitpid.c: New file.
* lib/linux/libc.c: Include them.
(access, brk, chmod, dup, dup2, execve, fork, fsync, getcwd, ioctl,
libc, open, read, unlink, waitpid): Remove.
2019-05-13 00:09:50 +02:00

48 lines
1.3 KiB
C

/* -*-comment-start: "//";comment-end:""-*-
* GNU Mes --- Maxwell Equations of Software
* Copyright © 2016,2017,2018,2019 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/>.
*/
int
_open3 (char const *file_name, int flags, int mask)
{
int r = _sys_call3 (SYS_open, (long)file_name, (int)flags, (int)mask);
__ungetc_init ();
if (r > 2)
__ungetc_buf[r] = -1;
return r;
}
int
_open2 (char const *file_name, int flags)
{
int mask = 0777;
return _open3 (file_name, flags, mask);
}
int
open (char const *file_name, int flags, ...)
{
va_list ap;
va_start (ap, flags);
int mask = va_arg (ap, int);
int r = _open3 (file_name, flags, mask);
va_end (ap);
return r;
}