/usr/include/js/jsclist.h is in libmozjs185-dev 1.8.5-1.0.0-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code, released
* March 31, 1998.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef jsclist_h___
#define jsclist_h___
#include "jstypes.h"
/*
** Circular linked list
*/
typedef struct JSCListStr {
struct JSCListStr *next;
struct JSCListStr *prev;
} JSCList;
/*
** Insert element "_e" into the list, before "_l".
*/
#define JS_INSERT_BEFORE(_e,_l) \
JS_BEGIN_MACRO \
(_e)->next = (_l); \
(_e)->prev = (_l)->prev; \
(_l)->prev->next = (_e); \
(_l)->prev = (_e); \
JS_END_MACRO
/*
** Insert element "_e" into the list, after "_l".
*/
#define JS_INSERT_AFTER(_e,_l) \
JS_BEGIN_MACRO \
(_e)->next = (_l)->next; \
(_e)->prev = (_l); \
(_l)->next->prev = (_e); \
(_l)->next = (_e); \
JS_END_MACRO
/*
** Return the element following element "_e"
*/
#define JS_NEXT_LINK(_e) \
((_e)->next)
/*
** Return the element preceding element "_e"
*/
#define JS_PREV_LINK(_e) \
((_e)->prev)
/*
** Append an element "_e" to the end of the list "_l"
*/
#define JS_APPEND_LINK(_e,_l) JS_INSERT_BEFORE(_e,_l)
/*
** Insert an element "_e" at the head of the list "_l"
*/
#define JS_INSERT_LINK(_e,_l) JS_INSERT_AFTER(_e,_l)
/* Return the head/tail of the list */
#define JS_LIST_HEAD(_l) (_l)->next
#define JS_LIST_TAIL(_l) (_l)->prev
/*
** Remove the element "_e" from it's circular list.
*/
#define JS_REMOVE_LINK(_e) \
JS_BEGIN_MACRO \
(_e)->prev->next = (_e)->next; \
(_e)->next->prev = (_e)->prev; \
JS_END_MACRO
/*
** Remove the element "_e" from it's circular list. Also initializes the
** linkage.
*/
#define JS_REMOVE_AND_INIT_LINK(_e) \
JS_BEGIN_MACRO \
(_e)->prev->next = (_e)->next; \
(_e)->next->prev = (_e)->prev; \
(_e)->next = (_e); \
(_e)->prev = (_e); \
JS_END_MACRO
/*
** Return non-zero if the given circular list "_l" is empty, zero if the
** circular list is not empty
*/
#define JS_CLIST_IS_EMPTY(_l) \
((_l)->next == (_l))
/*
** Initialize a circular list
*/
#define JS_INIT_CLIST(_l) \
JS_BEGIN_MACRO \
(_l)->next = (_l); \
(_l)->prev = (_l); \
JS_END_MACRO
#define JS_INIT_STATIC_CLIST(_l) \
{(_l), (_l)}
#endif /* jsclist_h___ */
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