mirror of
git://sourceware.org/git/lvm2.git
synced 2025-01-05 13:18:20 +03:00
8ef2b021ed
Clear many compiler warnings (i386) & associated bugs - hopefully without introducing too many new bugs:-) (Same exercise required for other archs.) Default compilation has optimisation - or else use ./configure --enable-debug
48 lines
935 B
C
48 lines
935 B
C
/*
|
|
* Copyright (C) 2001 Sistina Software (UK) Limited.
|
|
*
|
|
* This file is released under the GPL.
|
|
*/
|
|
|
|
#ifndef _LVM_UUID_H
|
|
#define _LVM_UUID_H
|
|
|
|
#include "lvm-types.h"
|
|
|
|
#define ID_LEN 32
|
|
#define ID_LEN_S "32"
|
|
|
|
struct id {
|
|
uint8_t uuid[ID_LEN];
|
|
};
|
|
|
|
/*
|
|
* Unique logical volume identifier
|
|
* With format1 this is VG uuid + LV uuid + '\0'
|
|
*/
|
|
union lvid {
|
|
struct id id[2];
|
|
char s[2 * sizeof(struct id) + 1];
|
|
};
|
|
|
|
int lvid_from_lvnum(union lvid *lvid, struct id *vgid, uint32_t lv_num);
|
|
int lvnum_from_lvid(union lvid *lvid);
|
|
|
|
int lvid_create(union lvid *lvid, struct id *vgid);
|
|
int id_create(struct id *id);
|
|
int id_valid(struct id *id);
|
|
int id_equal(const struct id *lhs, const struct id *rhs);
|
|
|
|
/*
|
|
* Fills 'buffer' with a more human readable form
|
|
* of the uuid.
|
|
*/
|
|
int id_write_format(const struct id *id, char *buffer, size_t size);
|
|
|
|
/*
|
|
* Reads a formatted uuid.
|
|
*/
|
|
int id_read_format(struct id *id, const char *buffer);
|
|
|
|
#endif
|