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) 2007-2019, 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
20typedef struct pg_uuid_t
21{
22 unsigned char data[UUID_LEN];
23} pg_uuid_t;
24
25/* fmgr interface macros */
26#define UUIDPGetDatum(X) PointerGetDatum(X)
27#define PG_RETURN_UUID_P(X) return UUIDPGetDatum(X)
28#define DatumGetUUIDP(X) ((pg_uuid_t *) DatumGetPointer(X))
29#define PG_GETARG_UUID_P(X) DatumGetUUIDP(PG_GETARG_DATUM(X))
30
31#endif /* UUID_H */
32