void pager_fn(player * p, char *str)
{
ed_info *e;
e = p->edit_info;
if((int)strlen(str)<2) {
switch (tolower(*str))
{
case 0:
/* player hit return - next page */
forward_page(p, e);
break;
case 'p':
back_page(p, e);
break;
case 'n':
forward_page(p, e);
break;
case 'l':
last_page(p, e);
break;
case 'f':
e->current = e->buffer;
e->size = 0;
break;
case '?':
help_page(p);
p->input_to_fn = pager_help_pause;
return;
case 'q':
quit_pager(p, e);
return;
case 'r':
/* redraw the screen */
break;
default:
/* this is what happens if it doesnt recognise the command */
p->input_to_fn = 0;
input_for_one(p);
p->input_to_fn = pager_fn;
draw_page(p, e->current, 0);
return;
}
if (!draw_page(p, e->current, 1))
quit_pager(p, e);
}
else {
p->input_to_fn = 0;
input_for_one(p);
p->input_to_fn = pager_fn;
draw_page(p, e->current, 0);
}
}
void *block_alloc(struct block *block, int size)
{
assert(size && size <= page_size);
void *page = last_page(block);
int *page_offset = get_offset_ptr(page);
if (page_size - *page_offset < size)
if (!(page = add_page(block)))
return NULL;
page_offset = get_offset_ptr(page);
void *ptr = (void *)((uintptr_t)page + *page_offset);
*page_offset += size;
return ptr;
}
