- strlcpy(dev->kernel_number, pos, sizeof(dev->kernel_number));
- dbg("kernel_number='%s'\n", dev->kernel_number);
-}
-
-int sysfs_resolve_link(char *devpath, size_t size)
-{
- char link_path[PATH_SIZE];
- char link_target[PATH_SIZE];
- int len;
- int i;
- int back;
-
- strlcpy(link_path, sysfs_path, sizeof(link_path));
- strlcat(link_path, devpath, sizeof(link_path));
- len = readlink(link_path, link_target, sizeof(link_target));
- if (len <= 0)
- return -1;
- link_target[len] = '\0';
- dbg("path link '%s' points to '%s'\n", devpath, link_target);
-
- for (back = 0; strncmp(&link_target[back * 3], "../", 3) == 0; back++)
- ;
- dbg("base '%s', tail '%s', back %i\n", devpath, &link_target[back * 3], back);
- for (i = 0; i <= back; i++) {
- char *pos = strrchr(devpath, '/');
-
- if (pos == NULL)
- return -1;
- pos[0] = '\0';
- }
- dbg("after moving back '%s'\n", devpath);
- strlcat(devpath, "/", size);
- strlcat(devpath, &link_target[back * 3], size);
- return 0;