Collaboration diagram for Linked list macros:

Defines
#define	ISC_LINK_INSIST(x)
#define	ISC_LIST(type) struct { type head, tail; }
#define	ISC_LIST_INIT(list) do { (list).head = NULL; (list).tail = NULL; } while (0)
#define	ISC_LINK(type) struct { type prev, next; }
#define	ISC_LINK_INIT_TYPE(elt, link, type)
#define	ISC_LINK_INIT(elt, link) ISC_LINK_INIT_TYPE(elt, link, void)
#define	ISC_LINK_LINKED(elt, link) ((void )((elt)->link.prev) != (void )(-1))
#define	ISC_LIST_HEAD(list) ((list).head)
#define	ISC_LIST_TAIL(list) ((list).tail)
#define	ISC_LIST_EMPTY(list) ISC_TF((list).head == NULL)
#define	__ISC_LIST_PREPENDUNSAFE(list, elt, link)
#define	ISC_LIST_PREPEND(list, elt, link)
#define	ISC_LIST_INITANDPREPEND(list, elt, link) __ISC_LIST_PREPENDUNSAFE(list, elt, link)
#define	__ISC_LIST_APPENDUNSAFE(list, elt, link)
#define	ISC_LIST_APPEND(list, elt, link)
#define	ISC_LIST_INITANDAPPEND(list, elt, link) __ISC_LIST_APPENDUNSAFE(list, elt, link)
#define	__ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, type)
#define	__ISC_LIST_UNLINKUNSAFE(list, elt, link) __ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, void)
#define	ISC_LIST_UNLINK_TYPE(list, elt, link, type)
#define	ISC_LIST_UNLINK(list, elt, link) ISC_LIST_UNLINK_TYPE(list, elt, link, void)
#define	ISC_LIST_PREV(elt, link) ((elt)->link.prev)
#define	ISC_LIST_NEXT(elt, link) ((elt)->link.next)
#define	__ISC_LIST_INSERTBEFOREUNSAFE(list, before, elt, link)
#define	ISC_LIST_INSERTBEFORE(list, before, elt, link)
#define	__ISC_LIST_INSERTAFTERUNSAFE(list, after, elt, link)
#define	ISC_LIST_INSERTAFTER(list, after, elt, link)
#define	ISC_LIST_APPENDLIST(list1, list2, link)
#define	ISC_LIST_ENQUEUE(list, elt, link) ISC_LIST_APPEND(list, elt, link)
#define	__ISC_LIST_ENQUEUEUNSAFE(list, elt, link) __ISC_LIST_APPENDUNSAFE(list, elt, link)
#define	ISC_LIST_DEQUEUE(list, elt, link) ISC_LIST_UNLINK_TYPE(list, elt, link, void)
#define	ISC_LIST_DEQUEUE_TYPE(list, elt, link, type) ISC_LIST_UNLINK_TYPE(list, elt, link, type)
#define	__ISC_LIST_DEQUEUEUNSAFE(list, elt, link) __ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, void)
#define	__ISC_LIST_DEQUEUEUNSAFE_TYPE(list, elt, link, type) __ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, type)
#define	ISC_LIST_INITIAL_TYPE(type) { (type )NULL, (type )NULL }
#define	ISC_LIST_INITIAL ISC_LIST_INITIAL_TYPE(void)
#define	ISC_LINK_INITIAL(type) { (type )-1, (type )-1 }

Detailed Description

ISC:: list.h,v 1.18.2.2.8.1 2004/03/06 08:14:43 marka Exp

$Id$ Slightly modified for uHTTP.

Define Documentation

#define ISC_LINK_INSIST ( x )

#define ISC_LIST ( type ) struct { type *head, *tail; }

#define ISC_LIST_INIT ( list ) do { (list).head = NULL; (list).tail = NULL; } while (0)

Referenced by EnvInitDefaults(), and MediaTypeInitDefaults().

#define ISC_LINK ( type ) struct { type *prev, *next; }

#define ISC_LINK_INIT_TYPE	(	elt,
		link,
		type
	)

Value:

do { \
        (elt)->link.prev = (type *)(-1); \
        (elt)->link.next = (type *)(-1); \
    } while (0)

#define ISC_LINK_INIT	(	elt,
		link
	)	ISC_LINK_INIT_TYPE(elt, link, void)

#define ISC_LINK_LINKED	(	elt,
		link
	)	((void )((elt)->link.prev) != (void )(-1))

#define ISC_LIST_HEAD ( list ) ((list).head)

Referenced by EnvHandler(), EnvRegisterVariable(), HttpRegisterAuthBasic(), HttpRegisterCgiFunction(), HttpRegisterRedir(), and ISC_LIST().

#define ISC_LIST_TAIL ( list ) ((list).tail)

#define ISC_LIST_EMPTY ( list ) ISC_TF((list).head == NULL)

#define __ISC_LIST_PREPENDUNSAFE	(	list,
		elt,
		link
	)

Value:

do { \
        if ((list).head != NULL) \
            (list).head->link.prev = (elt); \
        else \
            (list).tail = (elt); \
        (elt)->link.prev = NULL; \
        (elt)->link.next = (list).head; \
        (list).head = (elt); \
    } while (0)

#define ISC_LIST_PREPEND	(	list,
		elt,
		link
	)

Value:

do { \
        ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
        __ISC_LIST_PREPENDUNSAFE(list, elt, link); \
    } while (0)

#define ISC_LIST_INITANDPREPEND	(	list,
		elt,
		link
	)	__ISC_LIST_PREPENDUNSAFE(list, elt, link)

#define __ISC_LIST_APPENDUNSAFE	(	list,
		elt,
		link
	)

Value:

do { \
        if ((list).tail != NULL) \
            (list).tail->link.next = (elt); \
        else \
            (list).head = (elt); \
        (elt)->link.prev = (list).tail; \
        (elt)->link.next = NULL; \
        (list).tail = (elt); \
    } while (0)

#define ISC_LIST_APPEND	(	list,
		elt,
		link
	)

Value:

do { \
        ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
        __ISC_LIST_APPENDUNSAFE(list, elt, link); \
    } while (0)

Referenced by EnvInitDefaults(), EnvRegisterVariable(), HttpRegisterAuthBasic(), HttpRegisterCgiFunction(), HttpRegisterRedir(), ISC_LIST(), and MediaTypeInitDefaults().

#define ISC_LIST_INITANDAPPEND	(	list,
		elt,
		link
	)	__ISC_LIST_APPENDUNSAFE(list, elt, link)

#define __ISC_LIST_UNLINKUNSAFE_TYPE	(	list,
		elt,
		link,
		type
	)

Value:

do { \
        if ((elt)->link.next != NULL) \
            (elt)->link.next->link.prev = (elt)->link.prev; \
        else \
            (list).tail = (elt)->link.prev; \
        if ((elt)->link.prev != NULL) \
            (elt)->link.prev->link.next = (elt)->link.next; \
        else \
            (list).head = (elt)->link.next; \
        (elt)->link.prev = (type *)(-1); \
        (elt)->link.next = (type *)(-1); \
    } while (0)

#define __ISC_LIST_UNLINKUNSAFE	(	list,
		elt,
		link
	)	__ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, void)

#define ISC_LIST_UNLINK_TYPE	(	list,
		elt,
		link,
		type
	)

Value:

do { \
        ISC_LINK_INSIST(ISC_LINK_LINKED(elt, link)); \
        __ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, type); \
    } while (0)

Referenced by EnvRegisterVariable(), HttpRegisterAuthBasic(), HttpRegisterCgiFunction(), and ISC_LIST().

#define ISC_LIST_UNLINK	(	list,
		elt,
		link
	)	ISC_LIST_UNLINK_TYPE(list, elt, link, void)

#define ISC_LIST_PREV	(	elt,
		link
	)	((elt)->link.prev)

Referenced by HttpRegisterAuthBasic().

#define ISC_LIST_NEXT	(	elt,
		link
	)	((elt)->link.next)

Referenced by EnvHandler(), EnvRegisterVariable(), HttpRegisterAuthBasic(), HttpRegisterCgiFunction(), HttpRegisterRedir(), and ISC_LIST().

#define __ISC_LIST_INSERTBEFOREUNSAFE	(	list,
		before,
		elt,
		link
	)

Value:

do { \
        if ((before)->link.prev == NULL) \
            ISC_LIST_PREPEND(list, elt, link); \
        else { \
            (elt)->link.prev = (before)->link.prev; \
            (before)->link.prev = (elt); \
            (elt)->link.prev->link.next = (elt); \
            (elt)->link.next = (before); \
        } \
    } while (0)

#define ISC_LIST_INSERTBEFORE	(	list,
		before,
		elt,
		link
	)

Value:

do { \
        ISC_LINK_INSIST(ISC_LINK_LINKED(before, link)); \
        ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
        __ISC_LIST_INSERTBEFOREUNSAFE(list, before, elt, link); \
    } while (0)

Referenced by EnvRegisterVariable(), HttpRegisterAuthBasic(), HttpRegisterCgiFunction(), HttpRegisterRedir(), and ISC_LIST().

#define __ISC_LIST_INSERTAFTERUNSAFE	(	list,
		after,
		elt,
		link
	)

Value:

do { \
        if ((after)->link.next == NULL) \
            ISC_LIST_APPEND(list, elt, link); \
        else { \
            (elt)->link.next = (after)->link.next; \
            (after)->link.next = (elt); \
            (elt)->link.next->link.prev = (elt); \
            (elt)->link.prev = (after); \
        } \
    } while (0)

#define ISC_LIST_INSERTAFTER	(	list,
		after,
		elt,
		link
	)

Value:

do { \
        ISC_LINK_INSIST(ISC_LINK_LINKED(after, link)); \
        ISC_LINK_INSIST(!ISC_LINK_LINKED(elt, link)); \
        __ISC_LIST_INSERTAFTERUNSAFE(list, after, elt, link); \
    } while (0)

#define ISC_LIST_APPENDLIST	(	list1,
		list2,
		link
	)

Value:

do { \
        if (ISC_LIST_EMPTY(list1)) \
            (list1) = (list2); \
        else if (!ISC_LIST_EMPTY(list2)) { \
            (list1).tail->link.next = (list2).head; \
            (list2).head->link.prev = (list1).tail; \
            (list1).tail = (list2).tail; \
        } \
        (list2).head = NULL; \
        (list2).tail = NULL; \
    } while (0)

#define ISC_LIST_ENQUEUE	(	list,
		elt,
		link
	)	ISC_LIST_APPEND(list, elt, link)

#define __ISC_LIST_ENQUEUEUNSAFE	(	list,
		elt,
		link
	)	__ISC_LIST_APPENDUNSAFE(list, elt, link)

#define ISC_LIST_DEQUEUE	(	list,
		elt,
		link
	)	ISC_LIST_UNLINK_TYPE(list, elt, link, void)

#define ISC_LIST_DEQUEUE_TYPE	(	list,
		elt,
		link,
		type
	)	ISC_LIST_UNLINK_TYPE(list, elt, link, type)

#define __ISC_LIST_DEQUEUEUNSAFE	(	list,
		elt,
		link
	)	__ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, void)

#define __ISC_LIST_DEQUEUEUNSAFE_TYPE	(	list,
		elt,
		link,
		type
	)	__ISC_LIST_UNLINKUNSAFE_TYPE(list, elt, link, type)

#define ISC_LIST_INITIAL_TYPE ( type ) { (type *)NULL, (type *)NULL }

#define ISC_LIST_INITIAL ISC_LIST_INITIAL_TYPE(void)

#define ISC_LINK_INITIAL ( type ) { (type *)-1, (type *)-1 }

Referenced by ISC_LIST().

Defines

Detailed Description

Define Documentation