#ifndef FIFOBuffChar_h
#define FIFOBuffChar_h

#include <stdbool.h>

// interface for a buffer with chars's

// one element in the buffer
struct FIFOBuffChar_element_s {
    char value;
    void* nextEl;
};

// defines all vars for the buffer to operate
typedef struct FIFOBuffChar_s {
    struct FIFOBuffChar_element_s* FirstEl_p;
    struct FIFOBuffChar_element_s* LastEl_p;
    unsigned char size;
    bool full;
} FIFOBuffChar_t;

// create a fifo buffer and initilizes it with zeros
extern FIFOBuffChar_t* FIFOBuffChar_create();

// destroy a fifo buffer (free up its space)
// returns true on success or false otherways
extern bool FIFOBuffChar_delete(FIFOBuffChar_t* fifo);

// put value i in buffer if there is still memory avaliable
// returns true on success or false otherways
extern bool FIFOBuffChar_put(FIFOBuffChar_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 FIFOBuffChar_get(FIFOBuffChar_t *fifo, char *p);

// returns false if last put fails to gain memory and no get is called afterwards or true otherwise
extern bool FIFOBuffChar_is_full(FIFOBuffChar_t *fifo);

// returns true when buffer is empty or false otherways
extern bool FIFOBuffChar_is_empty(FIFOBuffChar_t *fifo);

extern unsigned int FIFOBuffChar_getSize(FIFOBuffChar_t *fifo);

#endif