51 lines
1.4 KiB
C

#ifndef BOATS_h
#define BOATS_h
#include <stdint.h>
#include <stdbool.h>
#include <stdint.h>
typedef struct Boats_s {
uint16_t id;
char* name;
bool avaliable;
bool locked;
} Boats_t;
typedef struct BoatsDB_el_s {
Boats_t boat;
void* nextEl;
} BoatsDB_el_t;
// defines all vars for the buffer to operate
typedef struct BoatsDB_s {
BoatsDB_el_t* FirstEl_p;
BoatsDB_el_t* LastEl_p;
unsigned char size;
bool full;
} BoatsDB_t;
// create a fifo buffer and initilizes it with zeros
extern BoatsDB_t* BoatsDB_init();
// destroy a fifo buffer (free up its space)
// returns true on success or false otherways
extern bool BoatsDB_deinit(BoatsDB_t* fifo);
// put value i in buffer if there is still memory avaliable
// returns true on success or false otherways
extern bool BoatsDB_put(BoatsDB_t *fifo, char i);
// get value from buffer and writes it to *p if buffer not empty
// returns true on success or false otherways
extern bool BoatsDB_getById(BoatsDB_t *fifo, uint16_t id, );
// returns false if last put fails to gain memory and no get is called afterwards or true otherwise
extern bool BoatsDB_is_full(BoatsDB_t *fifo);
// returns true when buffer is empty or false otherways
extern bool BoatsDB_is_empty(BoatsDB_t *fifo);
extern unsigned int BoatsDB_getSize(BoatsDB_t *fifo);
#endif