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3392155359
- Update COPYING and VEX/LICENSE.GPL to version 3. - Update README, NEWS, docs/manual license and contributing text. - Update file headers to say either version 3 of the License, or (at your option) any later version. - Leave tests and perf file headers as is, unless the code is derived from Valgrind/VEX. - Leave valgrind.h, cachegrind.h, callgrind.h, drd.h, helgrind.h, memcheck.h and dhat.h Hybrid-BSD licensed.
97 lines
3.8 KiB
C
97 lines
3.8 KiB
C
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/*--------------------------------------------------------------------*/
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/*--- An sparse array (of words) implementation. ---*/
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/*--- pub_tool_sparsewa.h ---*/
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/*--------------------------------------------------------------------*/
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/*
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This file is part of Valgrind, a dynamic binary instrumentation
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framework.
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Copyright (C) 2008-2017 OpenWorks Ltd
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info@open-works.co.uk
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, see <http://www.gnu.org/licenses/>.
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The GNU General Public License is contained in the file COPYING.
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*/
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#ifndef __PUB_TOOL_SPARSEWA_H
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#define __PUB_TOOL_SPARSEWA_H
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#include "pub_tool_basics.h" // UWord
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//--------------------------------------------------------------------
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// PURPOSE: (see coregrind/pub_core_sparsewa.h for details)
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//--------------------------------------------------------------------
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/////////////////////////////////////////////////////////
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// //
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// SparseWA: Interface //
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// //
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/////////////////////////////////////////////////////////
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// This interface is a very cut-down version of WordFM.
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// If you understand how to use WordFM then it should be
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// trivial to use SparseWA.
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typedef struct _SparseWA SparseWA; /* opaque */
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// Create a new one, using the specified allocator/deallocator.
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// Never returns NULL.
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SparseWA* VG_(newSWA) ( void*(*alloc_nofail)(const HChar* cc, SizeT),
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const HChar* cc,
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void(*dealloc)(void*) );
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// Delete one, and free all associated storage
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void VG_(deleteSWA) ( SparseWA* swa );
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// Add the binding key -> val to this swa. Any existing binding is
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// overwritten. Returned Bool is True iff a previous binding existed.
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Bool VG_(addToSWA) ( SparseWA* swa, UWord key, UWord val );
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// Delete key from swa, returning val if found.
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// Returned Bool is True iff the key was actually bound in the mapping.
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Bool VG_(delFromSWA) ( SparseWA* swa,
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/*OUT*/UWord* oldV,
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UWord key );
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// Indexes swa at 'key' (or, if you like, looks up 'key' in the
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// mapping), and returns the associated value, if any, in *valP.
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// Returned Bool is True iff a binding for 'key' actually existed.
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Bool VG_(lookupSWA) ( const SparseWA* swa,
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/*OUT*/UWord* valP,
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UWord key );
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// Set up 'swa' for iteration.
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void VG_(initIterSWA) ( SparseWA* swa );
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// Get the next key/val pair. Behaviour undefined (highly likely
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// to segfault) if 'swa' has been modified since initIterSWA was
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// called. Returned Bool is False iff there are no more pairs
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// that can be extracted.
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Bool VG_(nextIterSWA)( SparseWA* swa,
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/*OUT*/UWord* keyP, /*OUT*/UWord* valP );
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// How many elements are there in 'swa'? NOTE: dangerous in the
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// sense that this is not an O(1) operation but rather O(N),
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// since it involves walking the whole tree.
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UWord VG_(sizeSWA) ( const SparseWA* swa );
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#endif // __PUB_TOOL_SPARSEWA_H
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/*--------------------------------------------------------------------*/
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/*--- end pub_tool_sparsewa.h ---*/
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/*--------------------------------------------------------------------*/
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