diff options
Diffstat (limited to 'src/include/utils/inet.h')
| -rw-r--r-- | src/include/utils/inet.h | 35 |
1 files changed, 29 insertions, 6 deletions
diff --git a/src/include/utils/inet.h b/src/include/utils/inet.h index 075d66aa6b3..5b39801f9c1 100644 --- a/src/include/utils/inet.h +++ b/src/include/utils/inet.h @@ -7,17 +7,17 @@ * Portions Copyright (c) 1996-2000, PostgreSQL, Inc * Portions Copyright (c) 1994, Regents of the University of California * - * $Id: inet.h,v 1.7 2000/07/06 05:48:31 tgl Exp $ + * $Id: inet.h,v 1.8 2000/08/03 23:07:51 tgl Exp $ * *------------------------------------------------------------------------- */ -#ifndef MAC_H -#define MAC_H +#ifndef INET_H +#define INET_H /* - * This is the internal storage format for IP addresses: + * This is the internal storage format for IP addresses + * (both INET and CIDR datatypes): */ - typedef struct { unsigned char family; @@ -30,8 +30,17 @@ typedef struct } addr; } inet_struct; +/* + * Both INET and CIDR addresses are represented within Postgres as varlena + * objects, ie, there is a varlena header (basically a length word) in front + * of the struct type depicted above. + * + * Although these types are variable-length, the maximum length + * is pretty short, so we make no provision for TOASTing them. + */ typedef struct varlena inet; + /* * This is the internal storage format for MAC addresses: */ @@ -45,4 +54,18 @@ typedef struct macaddr unsigned char f; } macaddr; -#endif /* MAC_H */ +/* + * fmgr interface macros + */ +#define DatumGetInetP(X) ((inet *) DatumGetPointer(X)) +#define InetPGetDatum(X) PointerGetDatum(X) +#define PG_GETARG_INET_P(n) DatumGetInetP(PG_GETARG_DATUM(n)) +#define PG_RETURN_INET_P(x) return InetPGetDatum(x) +/* macaddr is a fixed-length pass-by-reference datatype */ +#define DatumGetMacaddrP(X) ((macaddr *) DatumGetPointer(X)) +#define MacaddrPGetDatum(X) PointerGetDatum(X) +#define PG_GETARG_MACADDR_P(n) DatumGetMacaddrP(PG_GETARG_DATUM(n)) +#define PG_RETURN_MACADDR_P(x) return MacaddrPGetDatum(x) + + +#endif /* INET_H */ |