2 * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org>
3 * Copyright (C) 2013 John Crispin <blogic@openwrt.org>
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU Lesser General Public License version 2.1
7 * as published by the Free Software Foundation
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
15 #define _DEFAULT_SOURCE
18 #include <sys/types.h>
29 #include "libblkid-tiny.h"
33 static char buf[PATH_MAX];
34 static char buf2[PATH_MAX];
35 static unsigned int mode = 0600;
37 static void make_dev(const char *path, bool block, int major, int minor)
39 unsigned int _mode = mode | (block ? S_IFBLK : S_IFCHR);
41 mknod(path, _mode, makedev(major, minor));
44 static void find_devs(bool block)
46 char *path = block ? "/sys/dev/block" : "/sys/dev/char";
54 path = buf2 + sprintf(buf2, "%s/", path);
55 while ((dp = readdir(dir)) != NULL) {
57 int major = 0, minor = 0;
60 if (dp->d_type != DT_LNK)
63 if (sscanf(dp->d_name, "%d:%d", &major, &minor) != 2)
66 strcpy(path, dp->d_name);
67 len = readlink(buf2, buf, sizeof(buf));
73 c = strrchr(buf, '/');
79 make_dev(c, block, major, minor);