datapath/linux/compat/include/linux/list.h

   1 #ifndef __LINUX_LIST_WRAPPER_H
   2 #define __LINUX_LIST_WRAPPER_H 1
   3
   4 #include_next <linux/list.h>
   5
   6 #ifndef hlist_entry_safe
   7 #define hlist_entry_safe(ptr, type, member) \
   8         (ptr) ? hlist_entry(ptr, type, member) : NULL
   9
  10 #undef hlist_for_each_entry
  11 #define hlist_for_each_entry(pos, head, member)                         \
  12         for (pos = hlist_entry_safe((head)->first, typeof(*(pos)), member);\
  13              pos;                                                       \
  14              pos = hlist_entry_safe((pos)->member.next, typeof(*(pos)), member))
  15
  16 #undef hlist_for_each_entry_safe
  17 #define hlist_for_each_entry_safe(pos, n, head, member)                 \
  18         for (pos = hlist_entry_safe((head)->first, typeof(*pos), member);\
  19              pos && ({ n = pos->member.next; 1; });                     \
  20              pos = hlist_entry_safe(n, typeof(*pos), member))
  21
  22 #endif
  23
  24 #endif