48 lines
1.7 KiB
C
48 lines
1.7 KiB
C
#ifndef FIFOBuffChar_h
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#define FIFOBuffChar_h
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#include <stdbool.h>
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// interface for a buffer with chars's
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// one element in the buffer
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typedef struct FIFOBuffChar_element_s {
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char character; // "char character" replaced "int value" because the elements are going to be characters
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void* nextElement;
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} FIFOBuffChar_element_t;
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// defines all vars for the buffer to operate
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typedef struct FIFOBuffChar_s {
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struct FIFOBuffChar_element_s* FirstEl_p;
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struct FIFOBuffChar_element_s* LastEl_p;
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unsigned char size;
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bool full;
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} FIFOBuffChar_t;
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// create a fifo buffer and initilizes it with zeros
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extern FIFOBuffChar_t* FIFOBuffChar_create();
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// destroy a fifo buffer (free up its space)
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// returns true on success or false otherways
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extern bool FIFOBuffChar_delete(FIFOBuffChar_t* fifo);
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// put value i in buffer if there is still memory avaliable
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// returns true on success or false otherways
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extern bool FIFOBuffChar_put(FIFOBuffChar_t *fifo, char i); //moet dit "char" zijn of "uint8_t"
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// get value from buffer and writes it to *p if buffer not empty
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// returns true on success or false otherways
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extern bool FIFOBuffChar_get(FIFOBuffChar_t *fifo, char *p);
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// pop last added value from the buffer
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extern bool FIFOBuffChar_pop(FIFOBuffChar_t *fifo);
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// returns false if last put fails to gain memory and no get is called afterwards or true otherwise
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extern bool FIFOBuffChar_is_full(FIFOBuffChar_t *fifo);
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// returns true when buffer is empty or false otherways
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extern bool FIFOBuffChar_is_empty(FIFOBuffChar_t *fifo);
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extern unsigned int FIFOBuffChar_getSize(FIFOBuffChar_t *fifo);
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#endif |