/media/sda-magnetic/david/Dok-15-2023-11-27/fernuni-hagen/cs-i-ii/fsm/fsm/bash-programming/lex-yacc-bash-etc/minix00002.txt

alloc.c

alloc_mem
free_mem
merge
del_slot


public PHYS_CLICKS alloc_mem (PHYS_CLICKS clicks) {
    struct hole *hp, *prev_ptr;
    PHYS_CLICKS old_base;
    
    hp = hole_head;
    while (hp != NIL_HOLE) {
        if (hp->h_len >= clicks) {
            old_base = hp->h_base;
            hp->h_base += clicks;
            hp->h_len -= clicks;
            
            if (hp->h_len != 0) 
                return old_base;
            del_slot (prev_ptr, hp);
            return old_base;
        }
        prev_ptr = hp;
        hp = hp->h_next;
    }
return E_NO_MEM;
}