head 1.8; access; symbols release_4_2:1.8 aix_ok:1.8 Version_2_1:1.7 Version_2:1.6 C_Demo_1:1.4; locks; strict; comment @ * @; 1.8 date 91.05.01.02.50.27; author cimarron; state Exp; branches; next 1.7; 1.7 date 90.08.17.08.53.29; author cimarron; state Exp; branches; next 1.6; 1.6 date 89.09.25.11.25.33; author cimarron; state Version_2; branches; next 1.5; 1.5 date 89.09.21.19.12.45; author hirohama; state Exp; branches; next 1.4; 1.4 date 89.09.05.17.08.57; author mao; state C_Demo_1; branches; next 1.3; 1.3 date 89.04.12.19.55.17; author dillon; state Exp; branches; next 1.2; 1.2 date 89.03.22.17.34.00; author muir; state Stab; branches; next 1.1; 1.1 date 89.01.17.05.54.35; author cimarron; state Exp; branches; next ; desc @@ 1.8 log @round II of converting simple functions to macros + code cleaning in general @ text @/* ---------------------------------------------------------------- * FILE * off.h * * DESCRIPTION * POSTGRES disk "offset" definitions. * * IDENTIFICATION * $Header$ * ---------------------------------------------------------------- */ #ifndef OffIncluded /* Include this file only once */ #define OffIncluded 1 #define OFF_H "$Header: RCS/off.h,v 1.7 90/08/17 08:53:29 cimarron Exp Locker: cimarron $" #include "tmp/c.h" #include "machine.h" /* (in port dir.) for BLCKSZ */ #include "storage/itemid.h" typedef uint16 OffsetNumber; /* offset number */ typedef uint16 OffsetIndex; /* offset index */ typedef int16 OffsetIdData; /* internal offset identifier */ typedef OffsetIdData *OffsetId; /* offset identifier */ #define InvalidOffsetNumber 0 #define FirstOffsetIndex 0 /* ---------------- * support macros * ---------------- */ /* * OffsetNumberIsValid -- * True iff the offset number is valid. */ #define OffsetNumberIsValid(offsetNumber) \ ((bool) \ ((offsetNumber != 0) && (offsetNumber < BLCKSZ / sizeof(ItemIdData)))) /* * OffsetIdIsValid -- * True iff the offset identifier is valid. */ #define OffsetIdIsValid(offsetId) \ ((bool) (PointerIsValid(offsetId) && (*(offsetId) != 0))) /* * OffsetIdSet -- * Sets a offset identifier to the specified value. */ #define OffsetIdSet(offsetId, offsetNumber) \ ((*offsetId) = (offsetNumber)) /* * OffsetIdGetOffsetNumber -- * Retrieve the offset number from a offset identifier. */ #define OffsetIdGetOffsetNumber(offsetId) \ ((OffsetNumber) (*(offsetId))) #endif /* !defined(OffIncluded) */ @ 1.7 log @added pathnames to #include statements @ text @d1 5 a5 2 /* * off.h -- d7 4 d16 1 a16 4 /* * Identification: */ #define OFF_H "$Header: RCS/off.h,v 1.6 89/09/25 11:25:33 cimarron Version_2 Locker: cimarron $" d19 2 d22 2 a23 3 typedef uint16 OffsetNumber; /* offset number */ typedef uint16 OffsetIndex; /* offset index */ d30 4 d38 3 a40 5 extern bool OffsetNumberIsValid ARGS(( OffsetNumber offsetNumber )); d46 2 a47 5 extern bool OffsetIdIsValid ARGS(( OffsetId offsetId )); d53 2 a54 6 extern void OffsetIdSet ARGS(( OffsetId offsetId, OffsetNumber offsetNumber )); d60 2 a61 5 extern OffsetNumber OffsetIdGetOffsetNumber ARGS(( OffsetId offsetId )); @ 1.6 log @moved dynamic symbol stuff to syms.h @ text @d12 1 a12 1 #define OFF_H "$Header: RCS/off.h,v 1.5 89/09/21 19:12:45 hirohama Exp $" d14 1 a14 3 #ifndef C_H #include "c.h" #endif @ 1.5 log @added ...SYMBOLS declarations miscellaneous cleanup @ text @d12 1 a12 1 #define OFF_H "$Header: RCS/off.h,v 1.4 89/09/05 17:08:57 mao C_Demo_1 Locker: hirohama $" a66 6 #define OFF_SYMBOLS \ SymbolDecl(OffsetNumberIsValid, "_OffsetNumberIsValid"), \ SymbolDecl(OffsetIdIsValid, "_OffsetIdIsValid"), \ SymbolDecl(OffsetIdSet, "_OffsetIdSet"), \ SymbolDecl(OffsetIdGetOffsetNumber, "_OffsetIdGetOffsetNumber") @ 1.4 log @Working version of C-only demo @ text @a3 3 * * Identification: * $Header: /usr6/postgres/mao/postgres/src/lib/H/RCS/off.h,v 1.3 89/04/12 19:55:17 dillon Exp $ d6 1 a6 1 #ifndef OffIncluded /* Include this file only once. */ d9 5 a27 10 * OffsetIndexIsValid -- * True iff the offset index is valid. */ extern bool OffsetIndexIsValid ARGS(( OffsetIndex offsetIndex )); /* d67 6 @ 1.3 log @c.h @ text @d6 1 a6 1 * $Header: /usr6/postgres/dillon/ptree/src/lib/H/RCS/off.h,v 1.2 89/03/22 17:34:00 muir Stab $ @ 1.2 log @copyright removal @ text @d6 1 a6 1 * $Header: /usr6/postgres/muir/postgres/src/lib/H/RCS/off.h,v 1.1 89/01/17 05:54:35 cimarron Exp $ d12 1 d14 1 @ 1.1 log @Initial revision @ text @a0 27 ; /* ; * ; * POSTGRES Data Base Management System ; * ; * Copyright (c) 1988 Regents of the University of California ; * ; * Permission to use, copy, modify, and distribute this software and its ; * documentation for educational, research, and non-profit purposes and ; * without fee is hereby granted, provided that the above copyright ; * notice appear in all copies and that both that copyright notice and ; * this permission notice appear in supporting documentation, and that ; * the name of the University of California not be used in advertising ; * or publicity pertaining to distribution of the software without ; * specific, written prior permission. Permission to incorporate this ; * software into commercial products can be obtained from the Campus ; * Software Office, 295 Evans Hall, University of California, Berkeley, ; * Ca., 94720 provided only that the the requestor give the University ; * of California a free licence to any derived software for educational ; * and research purposes. The University of California makes no ; * representations about the suitability of this software for any ; * purpose. It is provided "as is" without express or implied warranty. ; * ; */ d6 1 a6 1 * $Header: off.h,v 1.1 88/11/11 16:37:17 postgres Exp $ @