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/*
* usb_serial_buffer.c
*
* Created on: Sep 24, 2017
* Author: Roy
*/
#include <stdlib.h>
#include "usb_serial_buffer.h"
void initArray(SerialBuffer *a, size_t initialSize) {
a->buffer = (char *)malloc(initialSize);
a->used = 0;
a->size = initialSize;
}
void insertArray(SerialBuffer *a, char element) {
// a->used is the number of used entries, because a->array[a->used++] updates a->used only *after* the array has been accessed.
// Therefore a->used can go up to a->size
if (a->used == a->size) {
a->size += 1;
a->buffer = (char *)realloc(a->buffer, a->size * sizeof(char));
}
a->buffer[a->used++] = element;
}
void freeArray(SerialBuffer *a) {
free(a->buffer);
a->buffer = NULL;
a->used = a->size = 0;
}
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