hashtable.h

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#ifndef HASHTABLE_H
#define HASHTABLE_H
 
//typedef unsigned int ht_key_t;
 
#define INVALID_KEY 0u
 
#define HTE_OK 0
#define HTE_EXIST 1
#define HTE_NOTEXIST 2
#define HTE_INVALID_KEY 3
 
typedef unsigned long ht_key_t;
 
typedef struct _HashEntry{
        ht_key_t key;
        void *data;
        struct _HashEntry *next;
}HashEntry;
 
typedef void (*freeObj)(void* obj);
typedef struct _HashTable{
        int count;
        HashEntry ** entries;
    freeObj      free_obj;
}HashTable;
 
MGNCS_EXPORT int hash_insert(HashTable* ht,ht_key_t key, void *data);
 
MGNCS_EXPORT int hash_delete(HashTable* ht,ht_key_t key);
 
MGNCS_EXPORT void * hash_get(HashTable* ht,ht_key_t key);
 
MGNCS_EXPORT HashTable * hash_new(int count, freeObj func);
 
MGNCS_EXPORT void hash_free(HashTable *ht);
 
#define HT_FOR_EACH_CONTINUE 0 
#define HT_FOR_EACH_DELETE   0x1
#define HT_FOR_EACH_BREAK    0x02
typedef int(*eachObj)(void*, void*);
MGNCS_EXPORT void hash_for_each(HashTable *ht, eachObj each, void* user);
 
#endif