overall/alpha tcg cpus|hppa: Fix Lesser GPL version number
[qemu.git] / chardev / char-null.c
1 /*
2 * QEMU System Emulator
3 *
4 * Copyright (c) 2003-2008 Fabrice Bellard
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a copy
7 * of this software and associated documentation files (the "Software"), to deal
8 * in the Software without restriction, including without limitation the rights
9 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
10 * copies of the Software, and to permit persons to whom the Software is
11 * furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
19 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
20 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
21 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
22 * THE SOFTWARE.
23 */
24
25 #include "qemu/osdep.h"
26 #include "chardev/char.h"
27 #include "qemu/module.h"
28
29 static void null_chr_open(Chardev *chr,
30 ChardevBackend *backend,
31 bool *be_opened,
32 Error **errp)
33 {
34 *be_opened = false;
35 }
36
37 static void char_null_class_init(ObjectClass *oc, void *data)
38 {
39 ChardevClass *cc = CHARDEV_CLASS(oc);
40
41 cc->open = null_chr_open;
42 }
43
44 static const TypeInfo char_null_type_info = {
45 .name = TYPE_CHARDEV_NULL,
46 .parent = TYPE_CHARDEV,
47 .instance_size = sizeof(Chardev),
48 .class_init = char_null_class_init,
49 };
50
51 static void register_types(void)
52 {
53 type_register_static(&char_null_type_info);
54 }
55
56 type_init(register_types);