add
This commit is contained in:
Bob Halley
113
lib/isc/include/isc/assertions.h
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113
lib/isc/include/isc/assertions.h
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/*
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* Copyright (c) 1997, 1998 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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/*
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* $Id: assertions.h,v 1.1 1998/10/21 01:08:12 halley Exp $
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*/
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#ifndef ISC_ASSERTIONS_H
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#define ISC_ASSERTIONS_H 1
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typedef enum {
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isc_assertiontype_require,
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isc_assertiontype_ensure,
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isc_assertiontype_insist,
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isc_assertiontype_invariant
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} isc_assertiontype_t;
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typedef void (*isc_assertioncallback_t)(char *, int, isc_assertiontype_t,
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char *);
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extern isc_assertioncallback_t __isc_assertion_failed;
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#define isc_assertion_setcallback __isc_assertion_setcallback
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#define isc_assertion_typetotext __isc_assertion_typetotext
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void isc_assertion_setcallback(isc_assertioncallback_t);
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char *isc_assertion_typetotext(isc_assertiontype_t type);
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#ifdef CHECK_ALL
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#define CHECK_REQUIRE 1
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#define CHECK_ENSURE 1
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#define CHECK_INSIST 1
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#define CHECK_INVARIANT 1
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#endif
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#ifdef CHECK_NONE
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#define CHECK_REQUIRE 0
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#define CHECK_ENSURE 0
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#define CHECK_INSIST 0
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#define CHECK_INVARIANT 0
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#endif
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#ifndef CHECK_REQUIRE
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#define CHECK_REQUIRE 1
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#endif
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#ifndef CHECK_ENSURE
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#define CHECK_ENSURE 1
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#endif
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#ifndef CHECK_INSIST
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#define CHECK_INSIST 1
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#endif
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#ifndef CHECK_INVARIANT
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#define CHECK_INVARIANT 1
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#endif
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#if CHECK_REQUIRE != 0
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#define REQUIRE(cond) \
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((void) ((cond) || \
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((__isc_assertion_failed)(__FILE__, __LINE__, \
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isc_assertiontype_require, \
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#cond), 0)))
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#else
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#define REQUIRE(cond) ((void) 0)
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#endif /* CHECK_REQUIRE */
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#if CHECK_ENSURE != 0
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#define ENSURE(cond) \
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((void) ((cond) || \
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((__isc_assertion_failed)(__FILE__, __LINE__, \
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isc_assertiontype_ensure, \
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#cond), 0)))
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#else
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#define ENSURE(cond) ((void) 0)
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#endif /* CHECK_ENSURE */
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#if CHECK_INSIST != 0
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#define INSIST(cond) \
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((void) ((cond) || \
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((__isc_assertion_failed)(__FILE__, __LINE__, \
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isc_assertiontype_insist, \
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#cond), 0)))
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#else
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#define INSIST(cond) ((void) 0)
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#endif /* CHECK_INSIST */
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#if CHECK_INVARIANT != 0
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#define INVARIANT(cond) \
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((void) ((cond) || \
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((__isc_assertion_failed)(__FILE__, __LINE__, \
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isc_assertiontype_invariant, \
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#cond), 0)))
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#else
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#define INVARIANT(cond) ((void) 0)
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#endif /* CHECK_INVARIANT */
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#endif /* ISC_ASSERTIONS_H */
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101
lib/isc/include/isc/list.h
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lib/isc/include/isc/list.h
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/*
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* Copyright (c) 1997 by Internet Software Consortium.
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
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* ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
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* CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
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* DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
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* PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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* ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
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* SOFTWARE.
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*/
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#ifndef LIST_H
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#define LIST_H 1
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#define LIST(type) struct { type *head, *tail; }
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#define INIT_LIST(list) \
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do { (list).head = NULL; (list).tail = NULL; } while (0)
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#define LINK(type) struct { type *prev, *next; }
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#define INIT_LINK(elt, link) \
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do { \
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(elt)->link.prev = (void *)(-1); \
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(elt)->link.next = (void *)(-1); \
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} while (0)
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#define LINKED(elt, link) ((elt)->link.prev != (void *)(-1))
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#define HEAD(list) ((list).head)
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#define TAIL(list) ((list).tail)
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#define EMPTY(list) ((list).head == NULL)
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#define PREPEND(list, elt, link) \
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do { \
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if ((list).head != NULL) \
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(list).head->link.prev = (elt); \
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else \
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(list).tail = (elt); \
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(elt)->link.prev = NULL; \
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(elt)->link.next = (list).head; \
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(list).head = (elt); \
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} while (0)
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#define APPEND(list, elt, link) \
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do { \
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if ((list).tail != NULL) \
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(list).tail->link.next = (elt); \
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else \
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(list).head = (elt); \
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(elt)->link.prev = (list).tail; \
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(elt)->link.next = NULL; \
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(list).tail = (elt); \
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} while (0)
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#define UNLINK(list, elt, link) \
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do { \
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if ((elt)->link.next != NULL) \
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(elt)->link.next->link.prev = (elt)->link.prev; \
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else \
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(list).tail = (elt)->link.prev; \
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if ((elt)->link.prev != NULL) \
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(elt)->link.prev->link.next = (elt)->link.next; \
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else \
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(list).head = (elt)->link.next; \
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} while (0)
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#define PREV(elt, link) ((elt)->link.prev)
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#define NEXT(elt, link) ((elt)->link.next)
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#define INSERT_BEFORE(list, before, elt, link) \
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do { \
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if ((before)->link.prev == NULL) \
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PREPEND(list, elt, link); \
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else { \
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(elt)->link.prev = (before)->link.prev; \
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(before)->link.prev = (elt); \
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(elt)->link.prev->link.next = (elt); \
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(elt)->link.next = (before); \
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} \
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} while (0)
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#define INSERT_AFTER(list, after, elt, link) \
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do { \
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if ((after)->link.next == NULL) \
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APPEND(list, elt, link); \
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else { \
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(elt)->link.next = (after)->link.next; \
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(after)->link.next = (elt); \
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(elt)->link.next->link.prev = (elt); \
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(elt)->link.prev = (after); \
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} \
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} while (0)
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#define ENQUEUE(list, elt, link) APPEND(list, elt, link)
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#define DEQUEUE(list, elt, link) UNLINK(list, elt, link)
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#endif /* LIST_H */
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