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/* Copyright (c) 2010 Shlomi Fish
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use,
* copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following
* conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
/*
* google_hash.h - header file for Google's dense_hash_map as adapted
* for Freecell Solver.
*/
#ifndef FC_SOLVE__GOOGLE_HASH_H
#define FC_SOLVE__GOOGLE_HASH_H
#ifdef __cplusplus
extern "C" {
#endif
#include "config.h"
#include "bool.h"
#if (FCS_STATE_STORAGE == FCS_STATE_STORAGE_GOOGLE_DENSE_HASH)
typedef void * fcs_states_google_hash_handle_t;
extern fcs_states_google_hash_handle_t fc_solve_states_google_hash_new();
/*
* Returns 0 if the key is new and the key/val pair was inserted.
* - in that case *existing_key / *existing_val will be set to key
* and val respectively.
* Returns 1 if the key is not new and *existing_key / *existing_val
* was set to it.
*/
extern fcs_bool_t fc_solve_states_google_hash_insert(
fcs_states_google_hash_handle_t hash,
void * key,
void * * existing_key
);
void fc_solve_states_google_hash_free(fcs_states_google_hash_handle_t hash);
extern void fc_solve_states_google_hash_foreach(
fcs_states_google_hash_handle_t hash,
fcs_bool_t (*should_delete_ptr)(void * key, void * context),
void * context
);
#endif
#if (FCS_STACK_STORAGE == FCS_STACK_STORAGE_GOOGLE_DENSE_HASH)
typedef void * fcs_columns_google_hash_handle_t;
extern fcs_columns_google_hash_handle_t fc_solve_columns_google_hash_new();
/*
* Returns 0 if the key is new and the key/val pair was inserted.
* - in that case *existing_key / *existing_val will be set to key
* and val respectively.
* Returns 1 if the key is not new and *existing_key / *existing_val
* was set to it.
*/
extern fcs_bool_t fc_solve_columns_google_hash_insert(
fcs_columns_google_hash_handle_t hash,
void * key,
void * * existing_key
);
void fc_solve_columns_google_hash_free(fcs_columns_google_hash_handle_t hash);
#endif
#ifdef __cplusplus
}
#endif
#endif /* FC_SOLVE__GOOGLE_HASH_H */
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