diff options
Diffstat (limited to 'extras/volume_id/lib/volume_id.c')
| -rw-r--r-- | extras/volume_id/lib/volume_id.c | 99 |
1 files changed, 98 insertions, 1 deletions
diff --git a/extras/volume_id/lib/volume_id.c b/extras/volume_id/lib/volume_id.c index c6c8d5af6d..bf009c7203 100644 --- a/extras/volume_id/lib/volume_id.c +++ b/extras/volume_id/lib/volume_id.c @@ -1,7 +1,7 @@ /* * volume_id - reads volume label and uuid * - * Copyright (C) 2005 Kay Sievers <kay.sievers@vrfy.org> + * Copyright (C) 2005-2007 Kay Sievers <kay.sievers@vrfy.org> * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -36,6 +36,103 @@ static void default_log(int priority, const char *file, int line, const char *fo volume_id_log_fn_t volume_id_log_fn = default_log; +int volume_id_get_label(struct volume_id *id, const char **label) +{ + if (id == NULL) + return -EINVAL; + if (label == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *label = id->label; + return 1; +} + +int volume_id_get_label_raw(struct volume_id *id, const uint8_t **label, size_t *len) +{ + if (id == NULL) + return -EINVAL; + if (label == NULL) + return -EINVAL; + if (len == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *label = id->label_raw; + *len = id->label_raw_len; + return 1; +} + +int volume_id_get_uuid(struct volume_id *id, const char **uuid) +{ + if (id == NULL) + return -EINVAL; + if (uuid == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *uuid = id->uuid; + return 1; +} + +int volume_id_get_uuid_raw(struct volume_id *id, const uint8_t **uuid, size_t *len) +{ + if (id == NULL) + return -EINVAL; + if (uuid == NULL) + return -EINVAL; + if (len == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *uuid = id->uuid_raw; + *len = id->uuid_raw_len; + return 1; +} + +int volume_id_get_usage(struct volume_id *id, const char **usage) +{ + if (id == NULL) + return -EINVAL; + if (usage == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *usage = id->usage; + return 1; +} + +int volume_id_get_type(struct volume_id *id, const char **type) +{ + if (id == NULL) + return -EINVAL; + if (type == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *type = id->type; + return 1; +} + +int volume_id_get_type_version(struct volume_id *id, const char **type_version) +{ + if (id == NULL) + return -EINVAL; + if (type_version == NULL) + return -EINVAL; + if (id->usage_id == VOLUME_ID_UNUSED) + return 0; + + *type_version = id->type_version; + return 1; +} + int volume_id_probe_raid(struct volume_id *id, uint64_t off, uint64_t size) { if (id == NULL) |