Function hb_buffer_swap_copy

libhb/fifo.c:1003–1014

this routine 'moves' data from src to dst by interchanging 'data', 'size' & 'alloc' between them and copying the rest of the fields from src to dst.

// 'size' & 'alloc' between them and copying the rest of the fields
// from src to dst.
void hb_buffer_swap_copy( hb_buffer_t *src, hb_buffer_t *dst )
{
    uint8_t *data  = dst->data;
    int      size  = dst->size;
    int      alloc = dst->alloc;

    *dst = *src;

    src->data  = data;
    src->size  = size;
    src->alloc = alloc;
}

static void free_buffer_resources(hb_buffer_t *b)
{