libdictionary.h

/* 
 * CS 241
 * The University of Illinois
 */

#ifndef _LIBDICTIONRY_H_
#define _LIBDICTIONRY_H_

#include <pthread.h>

#define KEY_EXISTS 1
#define NO_KEY_EXISTS 2


typedef struct _dictionary_entry_t
{
        const char *key, *value;
} dictionary_entry_t;

typedef struct _dictionary_t
{
        void *root;
        pthread_mutex_t mutex;
} dictionary_t;


void dictionary_init(dictionary_t *d);

int dictionary_add(dictionary_t *d, const char *key, const char *value);

const char *dictionary_get(dictionary_t *d, const char *key);

int dictionary_remove(dictionary_t *d, const char *key);
int dictionary_remove_free(dictionary_t *d, const char *key);

void dictionary_destroy(dictionary_t *d);
void dictionary_destroy_free(dictionary_t *d);


#endif

---