LCOV - code coverage report
Current view: directory - objdir/dist/include - prclist.h (source / functions) Found Hit Coverage
Test: app.info Lines: 1 1 100.0 %
Date: 2012-06-02 Functions: 1 1 100.0 %

       1                 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2                 : /* ***** BEGIN LICENSE BLOCK *****
       3                 :  * Version: MPL 1.1/GPL 2.0/LGPL 2.1
       4                 :  *
       5                 :  * The contents of this file are subject to the Mozilla Public License Version
       6                 :  * 1.1 (the "License"); you may not use this file except in compliance with
       7                 :  * the License. You may obtain a copy of the License at
       8                 :  * http://www.mozilla.org/MPL/
       9                 :  *
      10                 :  * Software distributed under the License is distributed on an "AS IS" basis,
      11                 :  * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
      12                 :  * for the specific language governing rights and limitations under the
      13                 :  * License.
      14                 :  *
      15                 :  * The Original Code is the Netscape Portable Runtime (NSPR).
      16                 :  *
      17                 :  * The Initial Developer of the Original Code is
      18                 :  * Netscape Communications Corporation.
      19                 :  * Portions created by the Initial Developer are Copyright (C) 1998-2000
      20                 :  * the Initial Developer. All Rights Reserved.
      21                 :  *
      22                 :  * Contributor(s):
      23                 :  *
      24                 :  * Alternatively, the contents of this file may be used under the terms of
      25                 :  * either the GNU General Public License Version 2 or later (the "GPL"), or
      26                 :  * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
      27                 :  * in which case the provisions of the GPL or the LGPL are applicable instead
      28                 :  * of those above. If you wish to allow use of your version of this file only
      29                 :  * under the terms of either the GPL or the LGPL, and not to allow others to
      30                 :  * use your version of this file under the terms of the MPL, indicate your
      31                 :  * decision by deleting the provisions above and replace them with the notice
      32                 :  * and other provisions required by the GPL or the LGPL. If you do not delete
      33                 :  * the provisions above, a recipient may use your version of this file under
      34                 :  * the terms of any one of the MPL, the GPL or the LGPL.
      35                 :  *
      36                 :  * ***** END LICENSE BLOCK ***** */
      37                 : 
      38                 : #ifndef prclist_h___
      39                 : #define prclist_h___
      40                 : 
      41                 : #include "prtypes.h"
      42                 : 
      43                 : typedef struct PRCListStr PRCList;
      44                 : 
      45                 : /*
      46                 : ** Circular linked list
      47                 : */
      48           29012 : struct PRCListStr {
      49                 :     PRCList     *next;
      50                 :     PRCList     *prev;
      51                 : };
      52                 : 
      53                 : /*
      54                 : ** Insert element "_e" into the list, before "_l".
      55                 : */
      56                 : #define PR_INSERT_BEFORE(_e,_l)  \
      57                 :     PR_BEGIN_MACRO               \
      58                 :         (_e)->next = (_l);    \
      59                 :         (_e)->prev = (_l)->prev; \
      60                 :         (_l)->prev->next = (_e); \
      61                 :         (_l)->prev = (_e);    \
      62                 :     PR_END_MACRO
      63                 : 
      64                 : /*
      65                 : ** Insert element "_e" into the list, after "_l".
      66                 : */
      67                 : #define PR_INSERT_AFTER(_e,_l)   \
      68                 :     PR_BEGIN_MACRO               \
      69                 :         (_e)->next = (_l)->next; \
      70                 :         (_e)->prev = (_l);    \
      71                 :         (_l)->next->prev = (_e); \
      72                 :         (_l)->next = (_e);    \
      73                 :     PR_END_MACRO
      74                 : 
      75                 : /*
      76                 : ** Return the element following element "_e"
      77                 : */
      78                 : #define PR_NEXT_LINK(_e)         \
      79                 :         ((_e)->next)
      80                 : /*
      81                 : ** Return the element preceding element "_e"
      82                 : */
      83                 : #define PR_PREV_LINK(_e)         \
      84                 :         ((_e)->prev)
      85                 : 
      86                 : /*
      87                 : ** Append an element "_e" to the end of the list "_l"
      88                 : */
      89                 : #define PR_APPEND_LINK(_e,_l) PR_INSERT_BEFORE(_e,_l)
      90                 : 
      91                 : /*
      92                 : ** Insert an element "_e" at the head of the list "_l"
      93                 : */
      94                 : #define PR_INSERT_LINK(_e,_l) PR_INSERT_AFTER(_e,_l)
      95                 : 
      96                 : /* Return the head/tail of the list */
      97                 : #define PR_LIST_HEAD(_l) (_l)->next
      98                 : #define PR_LIST_TAIL(_l) (_l)->prev
      99                 : 
     100                 : /*
     101                 : ** Remove the element "_e" from it's circular list.
     102                 : */
     103                 : #define PR_REMOVE_LINK(_e)             \
     104                 :     PR_BEGIN_MACRO                     \
     105                 :         (_e)->prev->next = (_e)->next; \
     106                 :         (_e)->next->prev = (_e)->prev; \
     107                 :     PR_END_MACRO
     108                 : 
     109                 : /*
     110                 : ** Remove the element "_e" from it's circular list. Also initializes the
     111                 : ** linkage.
     112                 : */
     113                 : #define PR_REMOVE_AND_INIT_LINK(_e)    \
     114                 :     PR_BEGIN_MACRO                     \
     115                 :         (_e)->prev->next = (_e)->next; \
     116                 :         (_e)->next->prev = (_e)->prev; \
     117                 :         (_e)->next = (_e);          \
     118                 :         (_e)->prev = (_e);          \
     119                 :     PR_END_MACRO
     120                 : 
     121                 : /*
     122                 : ** Return non-zero if the given circular list "_l" is empty, zero if the
     123                 : ** circular list is not empty
     124                 : */
     125                 : #define PR_CLIST_IS_EMPTY(_l) \
     126                 :     ((_l)->next == (_l))
     127                 : 
     128                 : /*
     129                 : ** Initialize a circular list
     130                 : */
     131                 : #define PR_INIT_CLIST(_l)  \
     132                 :     PR_BEGIN_MACRO         \
     133                 :         (_l)->next = (_l); \
     134                 :         (_l)->prev = (_l); \
     135                 :     PR_END_MACRO
     136                 : 
     137                 : #define PR_INIT_STATIC_CLIST(_l) \
     138                 :     {(_l), (_l)}
     139                 : 
     140                 : #endif /* prclist_h___ */

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