u_hash_table.h

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/**************************************************************************
 *
 * Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
 * All Rights Reserved.
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 *
 * The above copyright notice and this permission notice (including the
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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#ifndef U_HASH_TABLE_H_
#define U_HASH_TABLE_H_


#include "pipe/p_error.h"


#ifdef __cplusplus
extern "C" {
#endif

   
struct hash_table;


struct hash_table *
hash_table_create(unsigned (*hash)(void *key),
                  int (*compare)(void *key1, void *key2));


enum pipe_error
hash_table_set(struct hash_table *ht,
               void *key,
               void *value);

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


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


void
hash_table_clear(struct hash_table *ht);


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

void
hash_table_destroy(struct hash_table *ht);


#ifdef __cplusplus
}
#endif

#endif /* U_HASH_TABLE_H_ */

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