fix logic bug inside extroot uuid verification code
[project/fstools.git] / libfstools / volume.c
1 /*
2 * Copyright (C) 2014 John Crispin <blogic@openwrt.org>
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2.1
6 * as published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 */
13
14 #include <sys/mount.h>
15 #include <stdio.h>
16 #include <stdlib.h>
17
18 #include "libfstools.h"
19 #include "volume.h"
20
21 enum {
22 FLASH_NOR,
23 FLASH_NAND,
24 };
25
26 static LIST_HEAD(drivers);
27
28 void
29 volume_register_driver(struct driver *d)
30 {
31 list_add(&d->list, &drivers);
32 }
33
34 struct volume* volume_find(char *name)
35 {
36 struct volume *v = malloc(sizeof(struct volume));
37 struct driver *d;
38
39 if (!v)
40 return NULL;
41
42 list_for_each_entry(d, &drivers, list) {
43 memset(v, 0, sizeof(struct volume));
44
45 if (d->find && !d->find(v, name))
46 return v;
47 }
48
49 free(v);
50
51 return NULL;
52 }