diff options
Diffstat (limited to 'src/udev/udev-watch.c')
-rw-r--r-- | src/udev/udev-watch.c | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/src/udev/udev-watch.c b/src/udev/udev-watch.c index 968728eba9..7d5b30bd68 100644 --- a/src/udev/udev-watch.c +++ b/src/udev/udev-watch.c @@ -49,41 +49,33 @@ int udev_watch_init(struct udev *udev) */ void udev_watch_restore(struct udev *udev) { - char filename[UTIL_PATH_SIZE], oldname[UTIL_PATH_SIZE]; - if (inotify_fd < 0) return; - util_strscpyl(oldname, sizeof(oldname), udev_get_run_path(udev), "/watch.old", NULL); - util_strscpyl(filename, sizeof(filename), udev_get_run_path(udev), "/watch", NULL); - if (rename(filename, oldname) == 0) { + if (rename("/run/udev/watch", "/run/udev/watch.old") == 0) { DIR *dir; struct dirent *ent; - dir = opendir(oldname); + dir = opendir("/run/udev/watch.old"); if (dir == NULL) { - log_error("unable to open old watches dir '%s', old watches will not be restored: %m", oldname); + log_error("unable to open old watches dir /run/udev/watch.old; old watches will not be restored: %m"); return; } for (ent = readdir(dir); ent != NULL; ent = readdir(dir)) { char device[UTIL_PATH_SIZE]; - char *s; - size_t l; ssize_t len; struct udev_device *dev; if (ent->d_name[0] == '.') continue; - s = device; - l = util_strpcpy(&s, sizeof(device), udev_get_sys_path(udev)); - len = readlinkat(dirfd(dir), ent->d_name, s, l); - if (len <= 0 || len == (ssize_t)l) + len = readlinkat(dirfd(dir), ent->d_name, device, sizeof(device)); + if (len <= 0 || len == (ssize_t)sizeof(device)) goto unlink; - s[len] = '\0'; + device[len] = '\0'; - dev = udev_device_new_from_id_filename(udev, s); + dev = udev_device_new_from_id_filename(udev, device); if (dev == NULL) goto unlink; @@ -95,10 +87,10 @@ unlink: } closedir(dir); - rmdir(oldname); + rmdir("/run/udev/watch.old"); } else if (errno != ENOENT) { - log_error("unable to move watches dir '%s', old watches will not be restored: %m", filename); + log_error("unable to move watches dir /run/udev/watch; old watches will not be restored: %m"); } } @@ -118,7 +110,7 @@ void udev_watch_begin(struct udev *udev, struct udev_device *dev) return; } - snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); + snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd); util_create_path(udev, filename); unlink(filename); symlink(udev_device_get_id_filename(dev), filename); @@ -141,7 +133,7 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev) log_debug("removing watch on '%s'\n", udev_device_get_devnode(dev)); inotify_rm_watch(inotify_fd, wd); - snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); + snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd); unlink(filename); udev_device_set_watch_handle(dev, -1); @@ -150,21 +142,17 @@ void udev_watch_end(struct udev *udev, struct udev_device *dev) struct udev_device *udev_watch_lookup(struct udev *udev, int wd) { char filename[UTIL_PATH_SIZE]; - char majmin[UTIL_PATH_SIZE]; - char *s; - size_t l; + char device[UTIL_NAME_SIZE]; ssize_t len; if (inotify_fd < 0 || wd < 0) return NULL; - snprintf(filename, sizeof(filename), "%s/watch/%d", udev_get_run_path(udev), wd); - s = majmin; - l = util_strpcpy(&s, sizeof(majmin), udev_get_sys_path(udev)); - len = readlink(filename, s, l); - if (len <= 0 || (size_t)len == l) + snprintf(filename, sizeof(filename), "/run/udev/watch/%d", wd); + len = readlink(filename, device, sizeof(device)); + if (len <= 0 || (size_t)len == sizeof(device)) return NULL; - s[len] = '\0'; + device[len] = '\0'; - return udev_device_new_from_id_filename(udev, s); + return udev_device_new_from_id_filename(udev, device); } |