PostgreSQL Source Code: src/include/utils/uuid.h Source File

PostgreSQL Source Code git master
uuid.h
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1/*-------------------------------------------------------------------------
2 *
3 * uuid.h
4 * Header file for the "uuid" ADT. In C, we use the name pg_uuid_t,
5 * to avoid conflicts with any uuid_t type that might be defined by
6 * the system headers.
7 *
8 * Copyright (c) 2007-2025, PostgreSQL Global Development Group
9 *
10 * src/include/utils/uuid.h
11 *
12 *-------------------------------------------------------------------------
13 */
14#ifndef UUID_H
15#define UUID_H
16
17/* uuid size in bytes */
18 #define UUID_LEN 16
19
20 typedef struct pg_uuid_t
21{
22 unsigned char data[UUID_LEN];
23 } pg_uuid_t;
24
25/* fmgr interface macros */
26static inline Datum
27 UUIDPGetDatum(const pg_uuid_t *X)
28{
29 return PointerGetDatum(X);
30}
31
32 #define PG_RETURN_UUID_P(X) return UUIDPGetDatum(X)
33
34static inline pg_uuid_t *
35 DatumGetUUIDP(Datum X)
36{
37 return (pg_uuid_t *) DatumGetPointer(X);
38}
39
40 #define PG_GETARG_UUID_P(X) DatumGetUUIDP(PG_GETARG_DATUM(X))
41
42#endif /* UUID_H */
static Datum PointerGetDatum(const void *X)
Definition: postgres.h:332
uint64_t Datum
Definition: postgres.h:70
static Pointer DatumGetPointer(Datum X)
Definition: postgres.h:322
Definition: uuid.h:21
unsigned char data[UUID_LEN]
Definition: uuid.h:22
static pg_uuid_t * DatumGetUUIDP(Datum X)
Definition: uuid.h:35
struct pg_uuid_t pg_uuid_t
#define UUID_LEN
Definition: uuid.h:18
static Datum UUIDPGetDatum(const pg_uuid_t *X)
Definition: uuid.h:27

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