u_hash_table.h

/**************************************************************************
 *
 * Copyright 2008 VMware, Inc.
 * All Rights Reserved.
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 * The above copyright notice and this permission notice (including the
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 * 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
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/**
 * General purpose hash table.
 */

#ifndef U_HASH_TABLE_H_
#define U_HASH_TABLE_H_


#include "pipe/p_defines.h"
#include "util/hash_table.h"


#ifdef __cplusplus
extern "C" {
#endif

/**
 * Create a hash table where the keys are generic pointers.
 */
struct hash_table *
util_hash_table_create_ptr_keys(void);


/**
 * Create a hash table where the keys are device FDs.
 */
struct hash_table *
util_hash_table_create_fd_keys(void);


void *
util_hash_table_get(struct hash_table *ht,
                    void *key);


enum pipe_error
util_hash_table_foreach(struct hash_table *ht,
                        enum pipe_error (*callback)
                        (void *key, void *value, void *data),
                        void *data);

#ifdef __cplusplus
}
#endif

#endif /* U_HASH_TABLE_H_ */