postgresql/src/include/utils/uuid.h

43 lines
939 B
C

/*-------------------------------------------------------------------------
*
* 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) 2007-2024, 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 */
static inline Datum
UUIDPGetDatum(const pg_uuid_t *X)
{
return PointerGetDatum(X);
}
#define PG_RETURN_UUID_P(X) return UUIDPGetDatum(X)
static inline pg_uuid_t *
DatumGetUUIDP(Datum X)
{
return (pg_uuid_t *) DatumGetPointer(X);
}
#define PG_GETARG_UUID_P(X) DatumGetUUIDP(PG_GETARG_DATUM(X))
#endif /* UUID_H */