[thirdparty/mdadm.git] / dlink.h


/* doubley linked lists */
/* This is free software. No strings attached. No copyright claimed */

struct __dl_head
{
    void * dh_prev;
    void * dh_next;
};

#define	dl_alloc(size)	((void*)(((char*)calloc(1,(size)+sizeof(struct __dl_head)))+sizeof(struct __dl_head)))
#define	dl_new(t)	((t*)dl_alloc(sizeof(t)))
#define	dl_newv(t,n)	((t*)dl_alloc(sizeof(t)*n))

#define dl_next(p) *(&(((struct __dl_head*)(p))[-1].dh_next))
#define dl_prev(p) *(&(((struct __dl_head*)(p))[-1].dh_prev))

void *dl_head(void);
char *dl_strdup(char *);
char *dl_strndup(char *, int);
void dl_insert(void*, void*);
void dl_add(void*, void*);
void dl_del(void*);
void dl_free(void*);
void dl_init(void*);
Commit	Line	Data
82b27616 NB	1
	2	/* doubley linked lists */
	3	/* This is free software. No strings attached. No copyright claimed */
	4
	5	struct __dl_head
	6	{
b1ec2d6a NB	7	void * dh_prev;
b1ec2d6a NB	8	void * dh_next;
82b27616 NB	9	};
	10
	11	#define dl_alloc(size) ((void)(((char)calloc(1,(size)+sizeof(struct __dl_head)))+sizeof(struct __dl_head)))
	12	#define dl_new(t) ((t*)dl_alloc(sizeof(t)))
	13	#define dl_newv(t,n) ((t)dl_alloc(sizeof(t)n))
	14
b1ec2d6a NB	15	#define dl_next(p) (&(((struct __dl_head)(p))[-1].dh_next))
b1ec2d6a NB	16	#define dl_prev(p) (&(((struct __dl_head)(p))[-1].dh_prev))
82b27616	17
e0d19036	18	void *dl_head(void);
82b27616 NB	19	char dl_strdup(char );
	20	char dl_strndup(char , int);
	21	void dl_insert(void, void);
	22	void dl_add(void, void);
	23	void dl_del(void*);
	24	void dl_free(void*);
	25	void dl_init(void*);