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/*
* This file is part of Freecell Solver. It is subject to the license terms in
* the COPYING.txt file found in the top-level directory of this distribution
* and at http://fc-solve.shlomifish.org/docs/distro/COPYING.html . No part of
* Freecell Solver, including this file, may be copied, modified, propagated,
* or distributed except according to the terms contained in the COPYING file.
*
* Copyright (c) 2000 Shlomi Fish
*/
// move_stack_compact_alloc.h - A header file for a (possibly inline) function
// that compactly allocates a move stack.
#pragma once
#include "instance.h"
#include "move.h"
#ifdef FCS_WITH_MOVES
static inline fcs_move_stack *fc_solve_move_stack_compact_allocate(
fcs_hard_thread *const hard_thread,
fcs_move_stack *const old_move_stack_to_parent)
{
char *const ptr =
(char *)fcs_compact_alloc_ptr(&(HT_FIELD(hard_thread, allocator)),
(sizeof(fcs_move_stack) +
sizeof(fcs_move_t) * old_move_stack_to_parent->num_moves));
fcs_move_stack *const new_move_stack_to_parent = (fcs_move_stack *)ptr;
fcs_internal_move *const new_moves_to_parent =
(fcs_internal_move *)(ptr + sizeof(fcs_move_stack));
new_move_stack_to_parent->moves = new_moves_to_parent;
new_move_stack_to_parent->num_moves = old_move_stack_to_parent->num_moves;
memcpy(new_moves_to_parent, old_move_stack_to_parent->moves,
sizeof(fcs_move_t) * old_move_stack_to_parent->num_moves);
return new_move_stack_to_parent;
}
#endif
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