#include "buf.h"

// circular buffer functions
/*

These functions have been rewritten as macros in buf.h for speed reasons.

char canProduce() {
  return (!(((consumer == 0) && (producer == (BUF_SIZE-1))) || (producer == (consumer - 1))));
}

char canConsume() {
  return (producer != consumer);
}

void produce(char c) {
  buf[producer] = c;
  producer = (producer+1) & BUF_MASK;
}

char consume() {
  char c;
  c = buf[consumer];
  consumer = (consumer+1) & BUF_MASK;
  return c;
}
*/
void clear() {
  producer = 0;
  consumer = 0;
}