diff options
Diffstat (limited to 'extras/volume_id/lib/libvolume_id-private.h')
| -rw-r--r-- | extras/volume_id/lib/libvolume_id-private.h | 78 |
1 files changed, 73 insertions, 5 deletions
diff --git a/extras/volume_id/lib/libvolume_id-private.h b/extras/volume_id/lib/libvolume_id-private.h index c9afaf94e7..3b5c083a88 100644 --- a/extras/volume_id/lib/libvolume_id-private.h +++ b/extras/volume_id/lib/libvolume_id-private.h @@ -13,14 +13,71 @@ #include <stdint.h> #include <stddef.h> +#include <endian.h> +#include <byteswap.h> +#include <syslog.h> #include "libvolume_id.h" -#define VOLUME_ID_LABEL_SIZE 64 -#define VOLUME_ID_UUID_SIZE 36 -#define VOLUME_ID_FORMAT_SIZE 32 -#define VOLUME_ID_PATH_MAX 256 -#define VOLUME_ID_PARTITIONS_MAX 256 +#define ALLOWED_CHARS "#+-.:=@_" + +#ifndef PACKED +#define PACKED __attribute__((packed)) +#endif + +#define err(format, arg...) volume_id_log_fn(LOG_ERR, __FILE__, __LINE__, format, ##arg) +#define info(format, arg...) volume_id_log_fn(LOG_INFO, __FILE__, __LINE__, format, ##arg) +#ifdef DEBUG +#define dbg(format, arg...) volume_id_log_fn(LOG_DEBUG, __FILE__, __LINE__, format, ##arg) +#else +#define dbg(format, arg...) do { } while (0) +#endif + +#if (__BYTE_ORDER == __LITTLE_ENDIAN) +#define le16_to_cpu(x) (x) +#define le32_to_cpu(x) (x) +#define le64_to_cpu(x) (x) +#define be16_to_cpu(x) bswap_16(x) +#define be32_to_cpu(x) bswap_32(x) +#define cpu_to_le16(x) (x) +#define cpu_to_le32(x) (x) +#define cpu_to_be32(x) bswap_32(x) +#elif (__BYTE_ORDER == __BIG_ENDIAN) +#define le16_to_cpu(x) bswap_16(x) +#define le32_to_cpu(x) bswap_32(x) +#define le64_to_cpu(x) bswap_64(x) +#define be16_to_cpu(x) (x) +#define be32_to_cpu(x) (x) +#define cpu_to_le16(x) bswap_16(x) +#define cpu_to_le32(x) bswap_32(x) +#define cpu_to_be32(x) (x) +#endif /* __BYTE_ORDER */ + +enum uuid_format { + UUID_STRING, + UUID_HEX_STRING, + UUID_DCE, + UUID_DOS, + UUID_64BIT_LE, + UUID_MD, + UUID_LVM, +}; + +enum endian { + LE = 0, + BE = 1 +}; + +#define VOLUME_ID_LABEL_SIZE 64 +#define VOLUME_ID_UUID_SIZE 36 +#define VOLUME_ID_FORMAT_SIZE 32 +#define VOLUME_ID_PATH_MAX 256 +#define VOLUME_ID_PARTITIONS_MAX 256 + +/* size of superblock buffer, reiserfs block is at 64k */ +#define SB_BUFFER_SIZE 0x11000 +/* size of seek buffer, FAT cluster is 32k max */ +#define SEEK_BUFFER_SIZE 0x10000 enum volume_id_usage { VOLUME_ID_UNUSED, @@ -52,6 +109,17 @@ struct volume_id { size_t seekbuf_len; }; +/* utils */ +extern int volume_id_utf8_encoded_valid_unichar(const char *str); +extern size_t volume_id_set_unicode16(uint8_t *str, size_t len, const uint8_t *buf, enum endian endianess, size_t count); +extern void volume_id_set_usage(struct volume_id *id, enum volume_id_usage usage_id); +extern void volume_id_set_label_raw(struct volume_id *id, const uint8_t *buf, size_t count); +extern void volume_id_set_label_string(struct volume_id *id, const uint8_t *buf, size_t count); +extern void volume_id_set_label_unicode16(struct volume_id *id, const uint8_t *buf, enum endian endianess, size_t count); +extern void volume_id_set_uuid(struct volume_id *id, const uint8_t *buf, size_t len, enum uuid_format format); +extern uint8_t *volume_id_get_buffer(struct volume_id *id, uint64_t off, size_t len); +extern void volume_id_free_buffer(struct volume_id *id); + /* filesystems */ extern int volume_id_probe_cramfs(struct volume_id *id, uint64_t off, uint64_t size); extern int volume_id_probe_ext(struct volume_id *id, uint64_t off, uint64_t size); |