workbench/system/Wanderer/portable-include/exec_AROS/lists.h

   1 #ifndef EXEC_LISTS_AROS_H
   2 #define EXEC_LISTS_AROS_H
   3
   4 /*
   5     Copyright � 1995-2005, The AROS Development Team. All rights reserved.
   6
   7     Structures and macros for exec lists.
   8 */
   9 #ifndef EXEC_NODES_H
  10 #include <exec/nodes.h>
  11 #endif
  12
  13
  14 /**************************************
  15          Makros
  16 **************************************/
  17
  18
  19 #define NEW_LIST(_l)                                     \
  20 do                                                      \
  21 {                                                       \
  22     struct List *__aros_list_tmp = (struct List *)(_l), \
  23                 *l = __aros_list_tmp;                   \
  24                                                         \
  25     l->lh_TailPred = (struct Node *)l;                  \
  26     l->lh_Tail     = 0;                                 \
  27     l->lh_Head     = (struct Node *)&l->lh_Tail;        \
  28 } while (0)
  29
  30
  31
  32 #define Foreach_Node(list, node)                        \
  33 for                                                    \
  34 (                                                      \
  35     node = (void *)(((struct List *)(list))->lh_Head); \
  36     ((struct Node *)(node))->ln_Succ;                  \
  37     node = (void *)(((struct Node *)(node))->ln_Succ)  \
  38 )
  39
  40 #define Foreach_NodeSafe(l,n,n2) \
  41   for (n=(void *)(((struct List *)(l))->lh_Head); \
  42       (n2=(void *)((struct Node *)(n))->ln_Succ); \
  43       n=(void *)n2)
  44
  45 #endif /* EXEC_LISTS_AROS_H */