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// Copyright: SPDX-License-Identifier: GPL-3.0-only
#include <sys/types.h>
#include <stdint.h>
#include <stddef.h>
#ifndef DEFAULT_BIN_COUNT
#define DEFAULT_BIN_COUNT 1000
#endif
#define ITEMTYPE_UNSET (0x0)
#define ITEMTYPE_STRING (0x1)
#define ITEMTYPE_UINT8 (0x2)
#define ITEMTYPE_UINT64 (0x3)
#define ITEMTYPE_OPAQUE_PTR (0x4)
typedef struct c_rhash_s *c_rhash;
c_rhash c_rhash_new(size_t bin_count);
void c_rhash_destroy(c_rhash hash);
// # Insert
// ## Insert where key is string
int c_rhash_insert_str_ptr(c_rhash hash, const char *key, void *value);
int c_rhash_insert_str_uint8(c_rhash hash, const char *key, uint8_t value);
// ## Insert where key is uint64
int c_rhash_insert_uint64_ptr(c_rhash hash, uint64_t key, void *value);
// # Get
// ## Get where key is string
int c_rhash_get_ptr_by_str(c_rhash hash, const char *key, void **ret_val);
int c_rhash_get_uint8_by_str(c_rhash hash, const char *key, uint8_t *ret_val);
// ## Get where key is uint64
int c_rhash_get_ptr_by_uint64(c_rhash hash, uint64_t key, void **ret_val);
typedef struct {
size_t bin;
struct bin_item *item;
int initialized;
} c_rhash_iter_t;
#define C_RHASH_ITER_T_INITIALIZER { .bin = 0, .item = NULL, .initialized = 0 }
#define c_rhash_iter_t_initialize(p_iter) memset(p_iter, 0, sizeof(c_rhash_iter_t))
/*
* goes trough whole hash map and returns every
* type uint64 key present/stored
*
* it is not necessary to finish iterating and iterator can be reinitialized
* there are no guarantees on the order in which the keys will come
* behavior here is implementation dependent and can change any time
*
* returns:
* 0 for every key and stores the key in *key
* 1 on error or when all keys of this type has been already iterated over
*/
int c_rhash_iter_uint64_keys(c_rhash hash, c_rhash_iter_t *iter, uint64_t *key);
int c_rhash_iter_str_keys(c_rhash hash, c_rhash_iter_t *iter, const char **key);
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