/* A queue of deletions and insertions to be performed. */
struct alt_queue { int count, pos, window; };
- struct alt_queue *queue_start = (struct alt_queue *)
- alloca (window_size * sizeof *queue_start);
+ struct alt_queue *queue_start = alloca (window_size * sizeof *queue_start);
struct alt_queue *queue = queue_start;
/* True if a terminal window has been set with set_terminal_window. */
int unchanged_at_bottom, int *draw_cost, int *old_draw_cost,
int *old_hash, int *new_hash, int free_at_end)
{
- struct matrix_elt *matrix;
- matrix = ((struct matrix_elt *)
- alloca ((window_size + 1) * (window_size + 1) * sizeof *matrix));
+ struct matrix_elt *matrix
+ = alloca ((window_size + 1) * (window_size + 1) * sizeof *matrix);
if (FRAME_SCROLL_REGION_OK (frame))
{