roomman.h

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#ifndef LIBROOMAN_H
#define LIBROOMAN_H
 
#include <stdlib.h>
#include <stdint.h>
 
#define ROOMMAN_MAX_NAME (31U)
 
#define ROOMMAN_SUCCESS             (0)
#define ROOMMAN_ERR_INVALID_ROOM    (-1)
#define ROOMMAN_ERR_DUPLICATE_ROOM  (-2)
#define ROOMMAN_ERR_NAMETOOLONG     (-3)
#define ROOMMAN_ERR_EXCEED          (-4)
#define ROOMMAN_ERR_NOUSER          (-5)
#define ROOMMAN_ERR_NOT_EMPTY       (-6)
#define ROOMMAN_ERR_RESERVED        (-7)
 
 
#define ROOMMAN_ERR_FATAL           (-100)
#define ROOMMAN_ERR_STORE           (-101)
#define ROOMMAN_ERR_CORRUPT         (-102)
typedef uint32_t roomman_id_t;
 
typedef int16_t roomman_result_t;
 
roomman_result_t roomman_set_username(char *username);
 
roomman_result_t roomman_create_room(char *building_name, char *room_name, uint16_t max_pers, roomman_id_t *rid);
 
roomman_result_t roomman_delete_room(roomman_id_t rid);
 
roomman_result_t roomman_update_capacity(roomman_id_t rid, uint16_t new_capacity);
 
roomman_result_t roomman_reserve_room(roomman_id_t rid);
 
roomman_result_t roomman_clear_reservation(roomman_id_t rid);
 
roomman_result_t roomman_add_persons(roomman_id_t rid, uint16_t persons);
 
roomman_result_t roomman_remove_persons(roomman_id_t rid, uint16_t persons);
 
roomman_result_t roomman_readentry(
    roomman_id_t rid,   
    char* building,     
    char* name,         
    uint16_t* occupied, 
    uint16_t* capacity, 
    char *reserved_by   
    );
 
 
roomman_result_t roomman_lookup(
    const char* building,       
    const char* room_name,      
    roomman_id_t *rid           
    );
 
roomman_result_t roomman_directory(
    int32_t* fdptr,         
    const char* building,   
    const char* room_name,  
    roomman_id_t *rid       
    );
 
#endif /* LIBROOMAN_H */