Function lpLast

src/listpack.c:488–491

Return a pointer to the last element of the listpack, or NULL if the * listpack has no elements. */

/* Return a pointer to the last element of the listpack, or NULL if the
 * listpack has no elements. */
unsigned char *lpLast(unsigned char *lp) {
    unsigned char *p = lp+lpGetTotalBytes(lp)-1; /* Seek EOF element. */
    return lpPrev(lp,p); /* Will return NULL if EOF is the only element. */
}

/* Return the number of elements inside the listpack. This function attempts
 * to use the cached value when within range, otherwise a full scan is