/**
* \brief copy bytes from input to output buffer with checking
- * \param cnt number of bytes to copy, must be > 0
+ * \param cnt number of bytes to copy, must be >= 0
*/
static inline void copy(LZOContext *c, int cnt) {
register uint8_t *src = c->in;
/**
* \brief copy previously decoded bytes to current position
* \param back how many bytes back we start
- * \param cnt number of bytes to copy, must be > 0
+ * \param cnt number of bytes to copy, must be >= 0
*
* cnt > back is valid, this will copy the bytes we just copied,
* thus creating a repeating pattern with a period length of back.