Release 4.14 include/linux/uuid.h
/*
* UUID/GUID definition
*
* Copyright (C) 2010, 2016 Intel Corp.
* Huang Ying <ying.huang@intel.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 as published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#ifndef _LINUX_UUID_H_
#define _LINUX_UUID_H_
#include <uapi/linux/uuid.h>
#define UUID_SIZE 16
typedef struct {
__u8 b[UUID_SIZE];
} uuid_t;
#define UUID_INIT(a, b, c, d0, d1, d2, d3, d4, d5, d6, d7) \
((uuid_t) \
{{ ((a) >> 24) & 0xff, ((a) >> 16) & 0xff, ((a) >> 8) & 0xff, (a) & 0xff, \
((b) >> 8) & 0xff, (b) & 0xff, \
((c) >> 8) & 0xff, (c) & 0xff, \
(d0), (d1), (d2), (d3), (d4), (d5), (d6), (d7) }})
/*
* The length of a UUID string ("aaaaaaaa-bbbb-cccc-dddd-eeeeeeeeeeee")
* not including trailing NUL.
*/
#define UUID_STRING_LEN 36
extern const guid_t guid_null;
extern const uuid_t uuid_null;
static inline bool guid_equal(const guid_t *u1, const guid_t *u2)
{
return memcmp(u1, u2, sizeof(guid_t)) == 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 32 | 100.00% | 1 | 100.00% |
| Total | 32 | 100.00% | 1 | 100.00% |
static inline void guid_copy(guid_t *dst, const guid_t *src)
{
memcpy(dst, src, sizeof(guid_t));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static inline bool guid_is_null(const guid_t *guid)
{
return guid_equal(guid, &guid_null);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 20 | 95.24% | 1 | 50.00% |
| Andy Shevchenko | 1 | 4.76% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
static inline bool uuid_equal(const uuid_t *u1, const uuid_t *u2)
{
return memcmp(u1, u2, sizeof(uuid_t)) == 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 32 | 100.00% | 1 | 100.00% |
| Total | 32 | 100.00% | 1 | 100.00% |
static inline void uuid_copy(uuid_t *dst, const uuid_t *src)
{
memcpy(dst, src, sizeof(uuid_t));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 28 | 100.00% | 1 | 100.00% |
| Total | 28 | 100.00% | 1 | 100.00% |
static inline bool uuid_is_null(const uuid_t *uuid)
{
return uuid_equal(uuid, &uuid_null);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 20 | 95.24% | 1 | 50.00% |
| Andy Shevchenko | 1 | 4.76% | 1 | 50.00% |
| Total | 21 | 100.00% | 2 | 100.00% |
void generate_random_uuid(unsigned char uuid[16]);
extern void guid_gen(guid_t *u);
extern void uuid_gen(uuid_t *u);
bool __must_check uuid_is_valid(const char *uuid);
extern const u8 guid_index[16];
extern const u8 uuid_index[16];
int guid_parse(const char *uuid, guid_t *u);
int uuid_parse(const char *uuid, uuid_t *u);
/* backwards compatibility, don't use in new code */
#define uuid_le_gen(u) guid_gen(u)
#define uuid_le_to_bin(guid, u) guid_parse(guid, u)
static inline int uuid_le_cmp(const guid_t u1, const guid_t u2)
{
return memcmp(&u1, &u2, sizeof(guid_t));
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 30 | 100.00% | 1 | 100.00% |
| Total | 30 | 100.00% | 1 | 100.00% |
#endif
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Christoph Hellwig | 266 | 73.68% | 4 | 36.36% |
| Andy Shevchenko | 65 | 18.01% | 4 | 36.36% |
| Huang Ying | 24 | 6.65% | 1 | 9.09% |
| Tyler Baicar | 5 | 1.39% | 1 | 9.09% |
| David Howells | 1 | 0.28% | 1 | 9.09% |
| Total | 361 | 100.00% | 11 | 100.00% |
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