summaryrefslogtreecommitdiffstats
path: root/src/include/utils/uuid.h
blob: 0029da4e7f6c81c5cced4673c80450345579f457 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
/*-------------------------------------------------------------------------
 *
 * uuid.h
 *	  Header file for the "uuid" ADT. In C, we use the name pg_uuid_t,
 *	  to avoid conflicts with any uuid_t type that might be defined by
 *	  the system headers.
 *
 * Copyright (c) 2007-2022, PostgreSQL Global Development Group
 *
 * src/include/utils/uuid.h
 *
 *-------------------------------------------------------------------------
 */
#ifndef UUID_H
#define UUID_H

/* uuid size in bytes */
#define UUID_LEN 16

typedef struct pg_uuid_t
{
	unsigned char data[UUID_LEN];
} pg_uuid_t;

/* fmgr interface macros */
#define UUIDPGetDatum(X)		PointerGetDatum(X)
#define PG_RETURN_UUID_P(X)		return UUIDPGetDatum(X)
#define DatumGetUUIDP(X)		((pg_uuid_t *) DatumGetPointer(X))
#define PG_GETARG_UUID_P(X)		DatumGetUUIDP(PG_GETARG_DATUM(X))

#endif							/* UUID_H */