diff options
Diffstat (limited to 'udev/udevadm-info.c')
| -rw-r--r-- | udev/udevadm-info.c | 61 |
1 files changed, 61 insertions, 0 deletions
diff --git a/udev/udevadm-info.c b/udev/udevadm-info.c index b3b31ebafe..7206f4fcf6 100644 --- a/udev/udevadm-info.c +++ b/udev/udevadm-info.c @@ -195,6 +195,60 @@ static int export_devices(struct udev *udev) return 0; } +static int convert_db(struct udev *udev) +{ + struct udev_enumerate *udev_enumerate; + struct udev_list_entry *list_entry; + + udev_enumerate = udev_enumerate_new(udev); + if (udev_enumerate == NULL) + return -1; + udev_enumerate_scan_devices(udev_enumerate); + udev_list_entry_foreach(list_entry, udev_enumerate_get_list_entry(udev_enumerate)) { + struct udev_device *device; + + device = udev_device_new_from_syspath(udev, udev_list_entry_get_name(list_entry)); + if (device != NULL) { + const char *id; + struct stat statbuf; + char to[UTIL_PATH_SIZE]; + char devpath[UTIL_PATH_SIZE]; + char from[UTIL_PATH_SIZE]; + + id = udev_device_get_id_filename(device); + if (id == NULL) + goto next; + util_strscpyl(to, sizeof(to), udev_get_dev_path(udev), "/.udev/db/", id, NULL); + + /* do not overwrite a new database file */ + if (lstat(to, &statbuf) == 0) + goto next; + + /* find old database with $subsys:$sysname */ + util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), + "/.udev/db/", udev_device_get_subsystem(device), ":", + udev_device_get_sysname(device), NULL); + if (lstat(from, &statbuf) == 0) { + rename(from, to); + goto next; + } + + /* find old database with the encoded devpath */ + util_path_encode(udev_device_get_devpath(device), devpath, sizeof(devpath)); + util_strscpyl(from, sizeof(from), udev_get_dev_path(udev), + "/.udev/db/", devpath, NULL); + if (lstat(from, &statbuf) == 0) { + rename(from, to); + goto next; + } +next: + udev_device_unref(device); + } + } + udev_enumerate_unref(udev_enumerate); + return 0; +} + int udevadm_info(struct udev *udev, int argc, char *argv[]) { struct udev_device *device = NULL; @@ -212,6 +266,7 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) { "query", required_argument, NULL, 'q' }, { "attribute-walk", no_argument, NULL, 'a' }, { "export-db", no_argument, NULL, 'e' }, + { "convert-db", no_argument, NULL, 'C' }, { "root", no_argument, NULL, 'r' }, { "device-id-of-file", required_argument, NULL, 'd' }, { "export", no_argument, NULL, 'x' }, @@ -336,6 +391,9 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) case 'e': export_devices(udev); goto exit; + case 'C': + convert_db(udev); + goto exit; case 'x': export = true; break; @@ -359,7 +417,10 @@ int udevadm_info(struct udev *udev, int argc, char *argv[]) " --attribute-walk print all key matches while walking along the chain\n" " of parent devices\n" " --device-id-of-file=<file> print major:minor of device containing this file\n" + " --export export key/value pairs\n" + " --export-prefix export the key name with a prefix\n" " --export-db export the content of the udev database\n" + " --convert-db convert older version of database without a reboot\n" " --help\n\n"); goto exit; default: |