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Publish minor changes to readme and configure files in main directory. Main directory and code directory licence texts are now fully updated. Copied from Perforce Change: 196994
105 lines
3.9 KiB
C
105 lines
3.9 KiB
C
/* bt.h: Bit Table Interface
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*
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* $Id$
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* Copyright (c) 2001-2020 Ravenbrook Limited. See end of file for license.
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*
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* .source: <design/bt>
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*/
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#ifndef bt_h
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#define bt_h
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#include "mpmtypes.h"
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/* <design/bt#if.size> */
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extern Size (BTSize)(Count length);
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#define BTSize(n) (((n) + MPS_WORD_WIDTH-1) / MPS_WORD_WIDTH * sizeof(Word))
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/* <design/bt#.if.get> */
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extern Bool (BTGet)(BT bt, Index index);
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#define BTGet(a, i) \
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((Bool)(((a)[((i) >> MPS_WORD_SHIFT)] \
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>> ((i) & ~((Word)-1 << MPS_WORD_SHIFT))) \
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& (Word)1))
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/* <design/bt#.if.set> */
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extern void (BTSet)(BT bt, Index index);
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#define BTSet(a, i) \
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BEGIN \
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(a)[((i)>>MPS_WORD_SHIFT)] |= (Word)1<<((i)&~((Word)-1<<MPS_WORD_SHIFT)); \
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END
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/* <design/bt#.if.res> */
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extern void (BTRes)(BT bt, Index index);
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#define BTRes(a, i) \
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BEGIN \
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(a)[((i)>>MPS_WORD_SHIFT)] &= \
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~((Word)1 << ((i) & ~((Word)-1<<MPS_WORD_SHIFT))); \
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END
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extern Bool BTCheck(BT bt);
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extern Res BTCreate(BT *btReturn, Arena arena, Count length);
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extern void BTDestroy(BT bt, Arena arena, Count length);
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extern void BTSetRange(BT bt, Index base, Index limit);
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extern Bool BTIsSetRange(BT bt, Index base, Index limit);
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extern void BTResRange(BT bt, Index base, Index limit);
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extern Bool BTIsResRange(BT bt, Index base, Index limit);
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extern Bool BTFindShortResRange(Index *baseReturn, Index *limitReturn,
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BT bt, Index searchBase, Index searchLimit,
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Count length);
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extern Bool BTFindShortResRangeHigh(Index *baseReturn, Index *limitReturn,
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BT bt, Index searchBase, Index searchLimit,
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Count length);
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extern Bool BTFindLongResRange(Index *baseReturn, Index *limitReturn,
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BT bt, Index searchBase, Index searchLimit,
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Count length);
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extern Bool BTFindLongResRangeHigh(Index *baseReturn, Index *limitReturn,
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BT bt, Index searchBase, Index searchLimit,
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Count length);
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extern Bool BTRangesSame(BT BTx, BT BTy, Index base, Index limit);
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extern void BTCopyInvertRange(BT fromBT, BT toBT, Index base, Index limit);
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extern void BTCopyRange(BT fromBT, BT toBT, Index base, Index limit);
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extern void BTCopyOffsetRange(BT fromBT, BT toBT,
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Index fromBase, Index fromLimit,
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Index toBase, Index toLimit);
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extern Count BTCountResRange(BT bt, Index base, Index limit);
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#endif /* bt_h */
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2020 Ravenbrook Limited <http://www.ravenbrook.com/>.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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